Developer Tools, Instantly
Practical utilities that run entirely in your browser. No registration, no data stored, no nonsense.
Encoders
Base64 Encoder / Decoder
Encode text or binary data to Base64, or decode Base64 back to its original form.
URL Encoder / Decoder
Percent-encode text for safe URL use, decode encoded strings, or parse full URLs.
HTML Entity Encoder / Decoder
Encode special characters into HTML entities or decode them back to readable text.
Date And Time
Data Formats
JSON Formatter / Minifier / Validator
Format, minify, sort keys, and validate JSON — with error location on invalid input.
JSON ↔ YAML Converter
Convert JSON to YAML or YAML to JSON with selectable indentation.
CSV to JSON Converter
Parse CSV data into JSON arrays or objects with support for custom delimiters.
Security And Hashing
Web Development
UUID Generator
Generate cryptographically random UUID v4 or time-ordered UUID v7 identifiers.
CSS Clamp Calculator
Generate fluid CSS clamp() expressions for responsive typography and spacing.
HTTP Status Code Lookup
Look up any HTTP status code to get its meaning, common causes, and debugging tips.
Color Converter
Convert colors between HEX, RGB, HSL, and OKLCH with a live swatch and contrast ratio.
Text And Diff
Reference
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