ToolFox

Developer Tools

Format, encode and convert — JSON, XML, Base64, URLs and more.

JSON Formatter & Validator

Format, validate and minify JSON online with clear error messages pointing at the failing line.

XML Formatter

Pretty-print and validate XML with clean indentation — configs, SOAP payloads, sitemaps, RSS.

Markdown Previewer

Live side-by-side Markdown editor and preview — headings, lists, links, code and tables.

URL Encoder / Decoder

Percent-encode text for safe use in URLs, or decode %-sequences back into readable text.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text — Unicode-safe, entirely in your browser.

UUID Generator

Generate one or many random v4 UUIDs using your browser's cryptographic randomness.

Unix Timestamp Converter

Convert Unix timestamps to human dates and back — auto-detects seconds vs milliseconds.

Password Generator

Create a strong random password of any length, drawing from your chosen character types.

Regex Tester

Test a regular expression against sample text and see every match, its position and captured groups.

Hash Generator

Generate SHA-1, SHA-256 and SHA-512 hashes of any text, computed live in your browser.

Color Converter

Convert colors between HEX, RGB and HSL formats instantly, with a live swatch preview.

CSV to JSON Converter

Convert CSV data to JSON, or JSON arrays back to CSV, entirely in your browser.