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Showing 321–340 of 580 tools
OBJ to STL Converter
A binary STL triangle mesh. Read OBJ vertices and triangular or convex planar faces, calculate normals and write binary STL.
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ODS to XLSX converter
A real XLSX workbook from an ODS file. Read supported ODS worksheets and write Excel workbook cells with SheetJS.
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OGG to MP3 converter
An MP3 made from browser-decodable OGG audio. Decode OGG/Vorbis or supported OGG/Opus, resample to 44.1 kHz and encode MP3 samples.
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Ohms Law Calculator
Current in amperes = voltage / resistance.
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Online Text Analysis Tools
Analyze pasted text locally with word, sentence, paragraph, line, and character statistics.
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Online Text Formatter
Format pasted text with line trimming, horizontal whitespace cleanup, blank-line handling, and case conversion.
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Open Graph Generator
Write og:title, og:description, og:url, og:image and og:type from your inputs.
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OpenAPI Validator
Check 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.
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OTF to TTF Converter
Convert supported OpenType CFF1 outlines into a TrueType font. Review curve approximation and lost hinting or shaping data before using the result.
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Paint Calculator
Estimate gallons of wall paint from room dimensions, openings, coats, and coverage.
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Parallel Capacitance Calculator
Add ideal capacitances connected in parallel.
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Parallel Inductance Calculator
Find equivalent uncoupled ideal parallel inductance as 1 / Σ(1/L).
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Parallel Resistance Calculator
Find equivalent ideal parallel resistance as 1 / Σ(1/R).
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Parallelogram Area Calculator
Find parallelogram area as base × perpendicular height.
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Parallelogram Perimeter Calculator
Find a parallelogram perimeter as twice the sum of adjacent sides.
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Parquet to CSV Converter
Read a local Parquet file and export its records as CSV. Keep large integer digits and choose whether to escape formula-like spreadsheet cell prefixes.
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Pascal Case Converter
Convert ASCII words to PascalCase identifiers.
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Passphrase Generator
Draw independent words with unbiased cryptographic randomness from the disclosed 256-word pool.
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Password Entropy Checker
Estimate bits as password length × log2 of the detected character-pool size.
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Password Generator
Choose each character with unbiased browser cryptographic random integers; include at least one character from each selected group.
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