All Tools

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.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates, or any date back to a Unix timestamp.

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.

Hash Generator

Generate SHA-256 and SHA-512 cryptographic hashes of any text, directly in your browser.

JWT Decoder

Decode and inspect the header, payload, and claims of any JSON Web Token.

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.

Diff Viewer

Compare two text snippets and highlight the differences inline or side-by-side.

Slug Generator

Turn any text into a URL-friendly slug with transliteration and stop-word removal.

Cron Expression Explainer

Translate any cron expression into plain English and preview the next 10 run times.