Free tools for your next task.
Start with our recommended calculators, text tools and converters. Find the one that fits what you need to do.
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A selection of tools for numbers, writing, code and files.
Compound Interest Calculator
Estimate compound growth from a starting balance, monthly contribution, annual rate, and compound frequency.
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Text Compare
Compare two pieces of text locally with additions and removals highlighted by word or line.
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UUID Generator
Create one or more RFC 4122 version 4 UUIDs locally and copy them in one click.
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Timezone Converter
Convert dated local times between IANA zones while handling daylight saving transitions.
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Favicon Generator
Create an ICO and common PNG favicon sizes from a raster image.
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CSV To JSON Converter
Parse quoted CSV and map unique headers to object keys.
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Tip Calculator
Quickly split a bill with a percentage tip. See the tip amount, total, and per-person amount.
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Word Frequency Counter
Analyze word counts and term frequency locally with Unicode aware word matching.
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SQL Formatter
Format SQL statements locally with dialect-aware indentation and keyword case options.
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Hex to RGB Converter
Convert #RGB or #RRGGBB colours into CSS rgb() values and individual red, green, and blue channels.
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SERP Snippet Preview
Create an approximate search-result snippet and inspect title width and text length.
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JSON to CSV Converter
Convert an array of JSON objects into CSV with a union of column names.
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Explore tools for the kind of work you have in mind.
Calculate payments, grades, measurements and everyday math.
665 tools Text & Document ToolsCompare writing, edit Markdown and prepare document files.
81 tools Developer ToolsFormat code, inspect data and validate supported schemas.
85 tools Date & Time ToolsCheck dates, compare time zones and convert calendars.
15 tools Image & Design ToolsPrepare GIFs, icons, SVG files and CSS colors.
66 tools SEO & Website ToolsPrepare search snippets, crawl files and contrast checks.
21 tools Data Conversion ToolsConvert CSV, XML, Excel, TSV and Parquet records.
47 tools