Code Tools

Format, encode, and debug data.

Base64 Encode/Decode

Encode or decode Base64 in your browser.

URL Encode/Decode

Encode or decode URL components safely.

JSON Formatter

Validate, beautify, and minify JSON.

HTML Minifier

Minify HTML by removing comments and extra spaces.

CSS Minifier

Minify CSS for faster pages.

JWT Decoder

Decode JWT header and payload (no verification).

YAML ↔ JSON

Convert simple YAML and JSON structures.

htaccess Redirect Generator

Generate Apache redirect rules.

JavaScript Minifier (basic)

Basic JS whitespace minifier.

SQL Formatter (basic)

Basic SQL keyword uppercasing/format.

HTML Entity Encode/Decode

Encode and decode HTML entities.

Unicode Escape/Unescape

Escape text to \uXXXX sequences.

Hex Encode/Decode

Encode text to hex and back.

Binary Encode/Decode

Encode text to binary bits.

JSON to CSV (simple)

Convert simple JSON arrays to CSV.

CSV to JSON

Convert CSV into JSON array.

Regex Tester

Test JavaScript regex matches.

JSON Keys Diff

Compare keys of two JSON objects.

XML Prettify (basic)

Indent XML-like markup basically.

CSS Comment Remover

Remove /* */ comments from CSS.

ENV File Formatter

Format KEY=VALUE environment lines.

package.json Key Sorter

Sort top-level package.json keys.

SemVer Compare

Compare two semver versions.

Nil UUID Reference

Show the RFC nil UUID.

Nano-ID Style Generator

Generate URL-friendly random IDs.

Color Contrast Checker

Estimate contrast ratio between two colors.

CSS Gradient Generator

Generate a simple linear-gradient CSS snippet.

CSS Box Shadow Generator

Generate box-shadow CSS.