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Health & Fitness

5 tools

BMI Calculator OnlineCalculate your adult body mass index from height and weight.Pregnancy Due Date CalculatorEstimate a due date from the first day of your last period.Running Pace CalculatorTurn a finish time and distance into pace and speed.Calorie Deficit CalculatorEstimate daily maintenance energy and a lower intake target.TDEE CalculatorEstimate adult daily energy expenditure from body measurements and activity.

Finance

13 tools

Hourly to Salary CalculatorTurn an hourly rate into a weekly, monthly, and yearly gross salary.Salary to Hourly CalculatorFind the hourly rate behind an annual salary.Compound Interest CalculatorEstimate the future value of savings and monthly deposits.Loan Payoff CalculatorSee how an extra monthly payment changes a payoff date.Loan Repayment CalculatorEstimate a fixed monthly loan payment and total interest.Mortgage Payment CalculatorEstimate principal, interest, tax, insurance, and HOA per month.ROI CalculatorMeasure gain or loss against your initial investment.Auto Loan CalculatorEstimate a vehicle loan payment and total borrowing cost.Sales Tax CalculatorAdd sales tax to a subtotal or find the tax amount.CAGR CalculatorFind the annualized growth rate between two values.VAT CalculatorAdd VAT to a net price or remove it from a gross price.Rent vs Buy CalculatorCompare estimated cash costs over a chosen number of years.Invoice GeneratorCreate an invoice from your business details and line items. Review the total, download the HTML or print and save it as PDF.

Everyday Math

22 tools

Tip CalculatorCalculate the tip, total bill, and what each person owes.Split Bill CalculatorSplit a shared bill, tax, and tip evenly.Weighted Grade CalculatorFind a course grade from assignment scores and weights.Percent Change CalculatorMeasure an increase or decrease from a starting value.Area ConverterMultiply the input by the source unit factor and divide by the destination factor.Length ConverterMultiply the input by the source unit factor and divide by the destination factor.Pressure ConverterMultiply the input by the source unit factor and divide by the destination factor.Speed ConverterMultiply the input by the source unit factor and divide by the destination factor.Volume ConverterMultiply the input by the source unit factor and divide by the destination factor.Weight ConverterMultiply the input by the source unit factor and divide by the destination factor.Bytes To Megabytes ConverterMultiply the input by the source unit factor and divide by the destination factor.Temperature ConverterConvert the source to Celsius, then convert Celsius to the destination scale.Average CalculatorAdd the finite numbers and divide by their count; also report minimum, maximum and median.Discount CalculatorSavings = original price × discount / 100; sale price = original price − savings.Percentage CalculatorResult = percentage × base amount / 100.Aspect Ratio CalculatorReduce integer width and height by their greatest common divisor; scale height to the target width.DPI CalculatorPixel density = pixel length / printed length in inches.Random Number GeneratorUse rejection sampling on browser cryptographic random bytes to draw unbiased integers.Decimal To Fraction ConverterParse a finite decimal as an integer over a power of ten and reduce it with integer greatest common divisors.Pixel To Inch ConverterPrinted inches = pixel length / pixels per inch.Screen Resolution CalculatorTotal pixels = width × height; PPI = the square root of (width² + height²), divided by diagonal inches.Ratio CalculatorFor a / b = c / x, the missing value is x = b × c / a.

Developer Tools

65 tools

UUID GeneratorGenerate random version 4 UUIDs in your browser.PX to REM ConverterConvert CSS pixels to rem units using your root font size.IPv4 Subnet CalculatorFind network, mask, broadcast, and usable address range.CSS Border Radius GeneratorSet four corner radii and copy ready-to-use CSS.CSS Box Shadow GeneratorAdjust offset, blur, spread, colour, and opacity with a live preview.CSS Gradient GeneratorChoose colors and an angle, then copy a CSS gradient.HMAC GeneratorGenerate an HMAC from a UTF-8 message and secret key.Cron Expression GeneratorBuild a standard five-field cron schedule.Regex TesterTest a JavaScript regular expression with match positions.Punycode ConverterConvert Unicode hostnames to ASCII Punycode and back.Base64 Encode DecodeEncode Unicode text to Base64 or decode UTF-8 Base64 text.URL Encoder DecoderEncode or decode a URL component or a complete URI.SQL FormatterFormat SQL using the dialect and keyword case you choose.HTML MinifierReduce HTML whitespace and optionally remove comments.XML FormatterFormat XML with indentation while keeping mixed content together.JWT DecoderInspect the header and payload of a compact JWT without verifying its signature.CSS MinifierMinify CSS while retaining strings, custom properties, and rule order.TOML to JSON ConverterConvert TOML tables, arrays, and values into formatted JSON.JSON to PHP Array ConverterGenerate a PHP array expression from JSON without running code.SVG to CSS ConverterConvert self-contained SVG markup into a CSS background data URI.YAML ValidatorValidate YAML 1.2 syntax, duplicate keys, and bounded alias references.JSON to Python Dataclass GeneratorInfer nested Python dataclass definitions from JSON example records.CSR DecoderInspect a PEM PKCS#10 certificate request, subject, key, and requested extensions.Data Matrix DecoderDecode an ECC200 Data Matrix from a clear image locally.HTML SanitizerRemove scripts, event handlers and unsupported markup from basic HTML. Review the cleaned fragment and a contained preview.HTML to JSX ConverterConvert an HTML fragment to JSX with React attribute names, style objects and self-closing elements.JSON Schema Generator from JSONInfer a draft-07 JSON Schema from a sample object or object array, then review it before using it as a contract.JSON Diff CheckerCompare two JSON values by structure. See changed paths without treating object key order as a difference.TOML to YAML ConverterConvert TOML tables, arrays and values into YAML 1.2. Keep exact integers and review how dates are represented.JSON Schema ValidatorValidate JSON against a draft-07 or 2020-12 schema. Review error paths without sending the documents to a server.JSON to Rust Struct GeneratorGenerate nested Rust model definitions from a JSON example. Review the inferred fields, then copy or download the source.JSON to Go Struct GeneratorGenerate nested Go model definitions from a JSON example. Review the inferred fields, then copy or download the source.JSON to Swift Model GeneratorGenerate nested Swift model definitions from a JSON example. Review the inferred fields, then copy or download the source.JSON to Kotlin Data Class GeneratorGenerate nested Kotlin model definitions from a JSON example. Review the inferred fields, then copy or download the source.JSON to C# Class GeneratorGenerate nested C# model definitions from a JSON example. Review the inferred fields, then copy or download the source.OpenAPI ValidatorCheck a local Swagger 2.0, OpenAPI 3.0 or OpenAPI 3.1 document for schema errors and broken internal references. Read the reported paths without querying your API.JSON to Java class GeneratorGenerate plain Java model classes from a JSON object or object array. Download a ZIP with separate class files, then review inferred types and add your serializer mapping.WOFF to TTF ConverterConvert a supported WOFF font to a TrueType container while keeping its table content. Use a font you have permission to convert and review the downloaded TTF.JSON to Protobuf ConverterDraft proto3 messages from a JSON sample. Review inferred scalar types, nested messages and numbered fields before adopting the schema in a protocol.JSON Schema to TypeScript ConverterGenerate TypeScript definitions from a local JSON Schema. Structural types and internal definitions become source code; runtime validation rules still need a validator.JSON to TypeScript interface GeneratorInfer TypeScript interfaces from a JSON sample. Copy or download the nested definitions, then review optional fields and number precision against your actual API.XML Diff CheckerCompare two XML documents by parsed structure. Read changed paths while ignoring attribute order and whitespace used only for indentation.TTF to WOFF ConverterPackage a supported TrueType font as compressed WOFF. The conversion changes the container while retaining supported font tables; check font usage rights before converting.SVG to TTF ConverterTurn a simple SVG path outline into a one-glyph TrueType icon font. Choose a font family and Unicode code point, then review the saved glyph.WOFF2 to WOFF ConverterDecode a supported WOFF2 font and save it as WOFF. The codec runs locally; variable, color and CFF fonts are outside this tool’s supported scope.OTF to TTF ConverterConvert supported OpenType CFF1 outlines into a TrueType font. Review curve approximation and lost hinting or shaping data before using the result.CSV To SQL ConverterGenerate CREATE TABLE and INSERT statements from CSV records. Choose SQLite or PostgreSQL, keep cells as text and review the source before executing it yourself.Font converterA static TTF, WOFF or WOFF2 font. Detect a supported TrueType container and repackage its SFNT tables into the selected output.HTML ValidatorHTML markup diagnostics with line and column locations. Run bundled html-validate rules against the supplied HTML source without executing it.ASCII to Text ConverterValidate whitespace- or comma-separated integer codes from 0 to 127 and map them to ASCII characters.Binary To Text ConverterGroup binary digits into eight-bit bytes and decode them as strict UTF-8.Hex To Text ConverterValidate pairs of hexadecimal digits and decode the bytes as strict UTF-8.HTML Entity Encoder DecoderEncode ampersands, angle brackets and quotes, or decode recognized HTML character references without executing markup.Password GeneratorChoose each character with unbiased browser cryptographic random integers; include at least one character from each selected group.REM to PX ConverterPixels = REM value × root font size.Passphrase GeneratorDraw independent words with unbiased cryptographic randomness from the disclosed 256-word pool.Password Entropy CheckerEstimate bits as password length × log2 of the detected character-pool size.Unicode Escape ConverterEncode UTF-16 code units as Unicode escapes, or parse a JSON string body without evaluating code.JavaScript BeautifierParse and format source with a pinned local Prettier browser bundle.GraphQL FormatterParse and format source with a pinned local Prettier browser bundle.HTML FormatterParse and format source with a pinned local Prettier browser bundle.JavaScript MinifierParse JavaScript with Terser and print compact syntax with compression and name mangling disabled.SQL MinifierTokenize SQL strings, quoted identifiers and comments, then collapse whitespace outside those regions.XML MinifierRemove line-break indentation from element-only XML; keep inline spaces, mixed text and xml:space="preserve".Encode File To Base64 ConverterEncode arbitrary file bytes as standard Base64, without guessing a text encoding.

Home & DIY

2 tools

Concrete CalculatorEstimate concrete volume for a rectangular slab.Paint CalculatorEstimate paint for four walls of a rectangular room.

Text Tools

55 tools

Sort Text LinesAlphabetize or reverse a list of lines instantly.Word Frequency CounterCount words and discover the most frequent terms in text.Reading Time CalculatorEstimate how long a passage will take to read.Remove Accents from TextStrip combining accent marks from pasted text.Unicode NormalizerNormalize text to NFC, NFD, NFKC, or NFKD.Online Text Analysis ToolsInspect words, characters, sentences, lines, and paragraphs.Text CompareSee inserted and removed words or lines between two texts.Online Text FormatterClean line whitespace, adjust case, and remove blank lines.VTT to TXT ConverterExtract subtitle text from a WebVTT file without timestamps or cue markup.VTT to SRT ConverterConvert WebVTT cue timings and text into numbered SRT subtitles.Markdown EditorWrite Markdown, update the rendered preview and download the Markdown or HTML when it is ready.Markdown to HTML Email ConverterTurn Markdown into a simple HTML email with inline styles. Preview the body and download the HTML for your email workflow.SRT to VTT ConverterConvert numbered SRT cues into a WebVTT file with dot-separated milliseconds and plain subtitle text.SRT to TXT ConverterExtract plain subtitle text from SRT cues and download a transcript without cue numbers or timestamps.RTF to TXT ConverterExtract plain text from pasted RTF source. Read paragraphs, tabs, escaped ANSI bytes and Unicode text without retaining document formatting or embedded objects.EPUB to TXT ConverterExtract chapter text from an unencrypted EPUB in its recorded reading order. Download the text without images, page layout or navigation files.MLA citation GeneratorPrepare a basic MLA-style website or book citation from details you enter. Review source facts, punctuation and missing fields before using the draft.Markdown to LaTeX ConverterConvert common Markdown headings, lists, links, emphasis and tables to LaTeX source. Download an editable fragment for your TeX project; this page does not compile a PDF.LaTeX to Markdown ConverterConvert a basic LaTeX source fragment to Markdown. Common headings, emphasis, links and lists are mapped; math and unsupported commands remain as source for review.TXT to SRT ConverterTurn nonempty text lines into SRT captions with equal durations. Choose a start time, download the cues and adjust their timing against your audio.Rotate PDFRotate every page of a local PDF clockwise by 90, 180 or 270 degrees. Save the changed orientation without rasterizing the page text and vectors.Word to Markdown ConverterConvert a modern .docx document to Markdown. Keep common text, headings, links and lists while leaving images, page layout and complex formatting for manual editing.PDF to grayscaleCreate an image-only grayscale PDF from a local document. Pages are rasterized at your chosen resolution; searchable text, links and forms are removed.Resume builderBuild a plain, one-column resume from your contact details and work history. Review the document, download HTML or use your browser’s Print dialog to save a PDF.Remove PDF AnnotationsA PDF without page annotations. Delete page annotation arrays while retaining page text and vector content.Crop PDFA PDF with revised visible page boundaries. Inset each current CropBox by the entered margins in PDF points.Flatten PDFA PDF with flattened form fields or rasterized pages. Use pdf-lib form flattening or render all page appearances into an image-only PDF.MOBI to EPUB ConverterAn EPUB with extracted legacy MOBI text. Read Palm database records, decode uncompressed or PalmDOC-compressed MOBI6 text and package a reflowable EPUB.PDF page removerA PDF retaining the unselected pages. Validate 1-based page ranges and copy the remaining pages into a new PDF.APA citation generatorA basic APA-style website or book reference. Format the author, date, title, publisher or site and URL supplied in the form.PDF page extractorA PDF containing selected pages in your order. Parse 1-based page numbers and ranges, then copy the selected pages into a new PDF.HTML to EPUB converterA reflowable EPUB 3 book. Sanitize supported HTML blocks and build a ZIP with an OPF package, navigation and XHTML chapter.Citation generatorA website or book citation in the chosen style. Apply basic APA, MLA or Chicago bibliography patterns to manually supplied source details.EPUB to HTML ConverterOne self-contained HTML file in EPUB spine order. Read an unencrypted EPUB package, sanitize chapter markup and join its reading-order content.RTF to DOCX converterA DOCX containing extracted RTF text. Extract text with the RTF reader and create Word paragraphs in a DOCX package.Markdown to DOCX converterA DOCX with common Markdown structure. Parse Markdown blocks and create Word headings, paragraphs, emphasis, lists and simple tables.EPUB to MOBI converterA legacy MOBI6 text ebook. Extract supported EPUB chapter text and write a Palm database with a MOBI6 header and UTF-8 HTML records.DOCX to HTML converterSanitized structural HTML from a Word document. Read DOCX with Mammoth and sanitize its text, headings, lists, links and basic tables.PDF to HTML converterHTML sections with extracted text from each PDF page. Use PDF.js to read text items by page and write escaped HTML paragraphs.DOCX to ODT converterAn OpenDocument text file with extracted Word structure. Convert supported DOCX blocks to a ZIP with OpenDocument content and manifest XML.DOCX to EPUB converterA reflowable EPUB 3 book from supported Word blocks. Extract sanitized DOCX structure, then build an EPUB package with supplied title and author.EPUB to PDF converterAn image-only PDF of extracted EPUB chapter text. Extract EPUB text in spine order, wrap it on canvas pages and embed those page images in a PDF.Find And Replace TextSearch for literal matches, optionally ignoring case; insert the replacement without interpreting regular expressions or dollar syntax.List RandomizerShuffle nonempty lines with Fisher–Yates and unbiased browser cryptographic random integers.Remove Emoji From TextSegment grapheme clusters and remove clusters matching Unicode extended pictographs, flags, keycaps and emoji presentation sequences.Remove PunctuationRemove characters in the Unicode Punctuation category and keep letters, numbers, symbols and whitespace.Reverse TextReverse Unicode grapheme clusters, or reverse whitespace-separated words.Text RepeaterCreate the specified number of source copies and join them with a literal separator.Lorem Ipsum GeneratorRepeat a fixed lorem ipsum passage for the requested paragraph count.Username GeneratorNormalize the supplied seed to ASCII letters and digits, then append a random four-digit suffix.Fake Name GeneratorSelect first and last names independently from a small built-in list using browser cryptographic randomness.Hashtag GeneratorCount Unicode letter-and-number words and return the most frequent eligible words as hashtags.HTML To Plain Text ConverterSanitize HTML in an inert fragment, then collect visible text with block and line-break boundaries.HTML To Markdown ConverterSanitize supplied HTML and convert supported elements with the pinned local Turndown library.Markdown Table GeneratorCreate header placeholders, alignment markers and blank rows for the requested table size.

Date & Time

12 tools

Day of Year CalculatorFind a date's ordinal day and days left in the year.Week Number CalculatorFind the ISO week number and week-year of a date.Business Days CalculatorCount Monday–Friday dates in an inclusive range.Unix Timestamp ConverterConvert Unix seconds or milliseconds to a UTC date and back.Timezone ConverterConvert a local date and time between IANA time zones.Time Zone Meeting PlannerSee one meeting's start and end across multiple time zones.ICS to CSV ConverterExport iCalendar events as CSV rows. Review recorded dates, time-zone identifiers, descriptions and recurrence rules without expanding repeating events.CSV to ICS ConverterBuild an iCalendar file from a CSV event list. Use UTC timestamps or all-day dates, review each event and import the downloaded file into your calendar.Age CalculatorFind complete calendar years and months using end-of-month clamping, then count remaining UTC calendar days.Date Difference CalculatorSubtract UTC date-only timestamps and divide by 86,400,000 milliseconds.Date CalculatorApply the year and month offset together, clamp to the destination month, then add UTC calendar days.Time Duration CalculatorSubtract two 24-hour clock times; optionally move an earlier end time into the next day.

Education

1 tool

GPA CalculatorCalculate a credit-weighted GPA on a 4.0 scale.

Math & Science

3 tools

Quadratic Equation SolverSolve ax² + bx + c = 0, including complex roots.Scientific Notation ConverterConvert a decimal or exponent value without rounding its digits.Fraction SimplifierReduce an integer fraction to its lowest terms.

Color & Design

25 tools

Web & Accessibility

13 tools

SERP Snippet PreviewPreview a page title, URL, and description before publishing.Color Contrast CheckerCheck WCAG text contrast between two opaque colors.Robots.txt GeneratorBuild a crawl rule group and optional sitemap entry.Sitemap GeneratorGenerate sitemap XML from a list of absolute page URLs.Meta description GeneratorDraft three meta descriptions from your own page facts. Local text rules combine the supplied name, phrase and description within a chosen character limit.Email Header AnalyzerRead unfolded email headers and recorded delivery hops. Inspect authentication claims as pasted text; this page does not independently verify SPF, DKIM or DMARC.URL ParserParse an absolute HTTP or HTTPS URL with the browser URL API and list its components and query entries.Meta Tags GeneratorEscape supplied text and write title, description and canonical HTML elements.Open Graph GeneratorWrite og:title, og:description, og:url, og:image and og:type from your inputs.Schema Markup GeneratorBuild an escaped application/ld+json script using the selected Schema.org type.Htaccess GeneratorValidate a simple source path and destination, then generate a mod_alias Redirect directive.Keyword Density CheckerMatch the requested Unicode word sequence case-insensitively and divide occurrences by the number of possible token windows.User Agent ParserApply an explicit small set of browser and OS token rules to the supplied User-Agent string.

Image Tools

30 tools

Favicon GeneratorCreate an ICO and common PNG favicon sizes from a raster image.WebP to ICO ConverterConvert a WebP image into a downloadable multi-size ICO file.GIF ResizerResize an animated GIF to a target width while keeping its frame sequence and timing. Download the resized GIF.EXIF ViewerInspect supported EXIF, GPS and other metadata in a local JPEG, PNG or WebP image without uploading it.Image Metadata RemoverCreate a newly encoded PNG, JPEG or WebP from a local image and remove its original embedded metadata.GIF Frame ExtractorExtract the visible frames of an animated GIF as full-canvas PNG images. Download a ZIP with frame delays and loop metadata for review.QR code scannerRead a QR code from a local PNG, JPEG or WebP image. The decoded text appears on the page; links are not opened automatically.SVG to ICO ConverterConvert self-contained SVG source into a Windows icon with six sizes. Review the rasterized result for the software where you will use the ICO.ICO to PNG ConverterExtract the largest supported image from a Windows ICO file. Decode PNG or 24/32-bit bitmap entries and save the selected pixels as PNG.SVG compressorOptimize self-contained SVG source with local SVGO processing. Choose decimal precision, download the smaller markup and compare its appearance with the original.DXF to SVG ConverterConvert supported ASCII 2D DXF lines, polylines, circles and arcs to SVG. Unsupported entities are reported so geometry is not silently omitted.PNG to ICO ConverterCreate a Windows icon with six sizes from a local PNG. Non-square images are centered without stretching, with transparency retained where supported.OBJ to STL ConverterA binary STL triangle mesh. Read OBJ vertices and triangular or convex planar faces, calculate normals and write binary STL.PSD to PNG ConverterA PNG of the saved PSD composite. Decode the embedded RGB composite of a local PSD and export its pixels.Video thumbnail generatorA PNG frame at the requested time. Seek a browser-decodable local video and draw its frame onto a canvas.STL to OBJ ConverterOBJ vertices and triangular faces. Read binary or ASCII STL triangles and write an OBJ surface mesh.EPS to SVG ConverterSVG paths from supported vector EPS commands. Interpret explicit PostScript path, color, transform and graphics-state operators into SVG.SVG to PDF ConverterA one-page image PDF. Rasterize a self-contained SVG with the browser and embed its PNG appearance in a PDF.STEP to STL ConverterA binary STL surface mesh. Load a STEP model with the bundled Open CASCADE WebAssembly importer and export its triangle meshes.Audio trimmerA PCM WAV containing the selected audio interval. Decode the local audio and copy samples between the entered start and end times.HEIC to PDF converterA one-page PDF of the primary HEIC image. Decode HEIC pixels with the local libheif WebAssembly decoder and embed a PNG in a PDF.WAV To MP3 ConverterAn MP3 encoded at the selected bitrate. Decode a WAV, resample to 44.1 kHz and encode its mono or stereo samples with LAME.PSD to PDF ConverterA one-page PDF of the saved PSD composite. Decode the saved RGB PSD composite and embed it as a PNG image in a new PDF.GIF compressorA GIF re-encoded with the selected scale and palette. Composite frames, scale them and quantize each frame into a bounded GIF palette.OGG to MP3 converterAn MP3 made from browser-decodable OGG audio. Decode OGG/Vorbis or supported OGG/Opus, resample to 44.1 kHz and encode MP3 samples.MP3 To WAV ConverterA 16-bit PCM WAV made from MP3 samples. Decode MP3 with the browser and serialize its audio samples in a WAV container.PDF to SVG ConverterAn SVG image containing a rasterized PDF page. Render the selected PDF page with PDF.js and place its PNG appearance inside an SVG.Audio pitch changerA PCM WAV with pitch and duration changed together. Resample decoded audio at a playback-rate factor of two to the semitone shift divided by twelve.Audio splitterA ZIP of consecutive PCM WAV segments. Copy decoded audio samples into consecutive files at the entered segment duration.SVG to DXF ConverterASCII DXF polylines from supported SVG outlines. Read SVG paths and basic shapes, sample curves and write 2D DXF polylines with reversed Y coordinates.

Data Tools

34 tools

TSV to CSV ConverterConvert tab-delimited records into quoted CSV without losing multiline cells.CSV ViewerInspect quoted CSV cells in a readable table without uploading your data.JSON to CSV ConverterConvert an array of JSON objects into CSV with a union of column names.HTML Table to CSV ConverterExtract an HTML table into CSV, expanding row and column spans.CSV ValidatorCheck CSV quoting and consistent column counts, then review the record count and selected delimiter.CSV to TSV ConverterConvert comma-separated records to tab-separated text. Quoted commas, tabs and line breaks remain inside their cells; download the TSV for your next import.XML to CSV ConverterTurn a repeated XML element into CSV rows. Choose the record tag, then review flattened nested fields and attribute columns before saving the file.CSV to Parquet ConverterWrite CSV records into a real Parquet file with UTF-8 string columns. Numbers and dates remain text, preserving leading-zero identifiers for later processing.XML to Excel ConverterCreate a real Excel workbook from repeated XML records. Nested fields and attributes become text columns; choose a record tag and review the worksheet before saving.Excel to XML ConverterExport one .xlsx worksheet as row-based XML. Header names remain attributes, cell text is escaped, and formula values use the workbook’s cached results.Parquet to CSV ConverterRead a local Parquet file and export its records as CSV. Keep large integer digits and choose whether to escape formula-like spreadsheet cell prefixes.Excel to HTML ConverterTurn one .xlsx worksheet into an escaped HTML table. Preview displayed cell values and download the table without executing cell markup or recalculating formulas.VCF to CSV ConverterCSV rows for supported vCard contact fields. Unfold UTF-8 vCard 3.0/4.0 lines and export names, email addresses, phones and organizations.ODS to XLSX converterA real XLSX workbook from an ODS file. Read supported ODS worksheets and write Excel workbook cells with SheetJS.CSV To Markdown TableParse CSV and escape pipes, backslashes and line breaks in a Markdown table.CSV To HTML TableParse CSV and escape every cell into a table with column headers.JSON FormatterParse strict JSON and serialize it with the chosen indentation.JSON MinifierParse strict JSON and serialize compact JSON without indentation.JSON To YAML ConverterParse strict JSON and serialize YAML with quoted strings and no executable tags.Env To JSON ConverterRead simple KEY=value or export KEY=value lines; strip matching outer quotes and keep each value as a string.CSV To JSON ConverterParse quoted CSV and map unique headers to object keys.CSV To XML ConverterParse quoted CSV and write a rows root containing row and field elements.JSON To HTML TableUse the union of object keys as columns; nested values become JSON text.JSON To Markdown TableUse the union of object keys as columns; nested values become JSON text.JSON To Excel ConverterUse the union of object keys as columns; nested values become JSON text.JSON To XML ConverterWrite a value tree with explicit type attributes and name attributes for object keys.JSON To TOML ConverterParse a strict top-level JSON object and serialize it with the local smol-toml library.JSON To SQL ConverterBuild INSERT statements from a JSON record array using quoted identifiers and SQL string escaping.SQL To JSON ConverterParse a single INSERT INTO ... (columns) VALUES statement without executing SQL.YAML To JSON ConverterParse one YAML document with the local library and emit indented JSON.YAML To XML ConverterParse a JSON-compatible YAML document and use the same explicit value-tree XML mapping as JSON to XML.YAML FormatterParse one YAML document and serialize it using the library's two-space block style.Excel To JSON ConverterRead an XLSX workbook with the pinned local SheetJS library and convert the selected data.XLSX to ODS converterRead an XLSX workbook with the pinned local SheetJS library and convert the selected data.

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