Developer Tools
Format code, inspect data and validate supported schemas.
Developer Tools
Showing 41–60 of 72 tools
JSON to Rust Struct Generator
Generate nested Rust model definitions from a JSON example. Review the inferred fields, then copy or download the source.
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JSON to Swift Model Generator
Generate nested Swift model definitions from a JSON example. Review the inferred fields, then copy or download the source.
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JSON to TypeScript interface Generator
Infer TypeScript interfaces from a JSON sample. Copy or download the nested definitions, then review optional fields and number precision against your actual API.
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JWT Decoder
Inspect the header and payload of a compact JWT without verifying its signature.
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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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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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Punycode Converter
Convert a hostname between Unicode characters and its xn-- Punycode representation.
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PX to REM Converter
Convert pixel values to CSS rem units with a configurable root font size and a quick reference table.
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Regex Tester
Test JavaScript regular expressions in a separate worker and inspect matches, offsets, and capture groups.
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REM to PX Converter
Pixels = REM value × root font size.
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ROT13 Converter
Apply the reversible ROT13 substitution to ASCII letters.
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SQL Formatter
Format SQL statements locally with dialect-aware indentation and keyword case options.
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SQL Minifier
Tokenize SQL strings, quoted identifiers and comments, then collapse whitespace outside those regions.
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SVG to CSS Converter
Convert self-contained SVG markup into a CSS background data URI.
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SVG to TTF Converter
Turn 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.
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TOML to JSON Converter
Convert TOML tables, arrays, and values into formatted JSON.
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TOML to YAML Converter
Convert TOML tables, arrays and values into YAML 1.2. Keep exact integers and review how dates are represented.
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