Developer Tools
Developer utilities — JSON formatter, Base64, UUID, regex tester, and more.
JSON Formatter
Format, validate, and minify JSON data instantly. Paste your JSON to beautify or compress it.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 to text instantly. Supports Unicode characters.
UUID Generator
Generate random UUID v4 identifiers instantly. Bulk generate, copy, and customize format.
URL Encode / Decode
Encode or decode URLs and URI components instantly. Handle special characters in URLs safely.
Regex Tester
Test regular expressions in real-time. See matches, capture groups, and validate your patterns instantly.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View header, payload, and expiration status instantly.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly using the Web Crypto API.
HTML Entity Encode / Decode
Encode special characters to HTML entities or decode them back. Prevent XSS and display issues.
JSON to YAML Converter
Convert between JSON and YAML formats instantly. Validate and transform configuration files.
Markdown Preview
Write Markdown and see rendered HTML in real-time. Preview and copy the generated HTML.