Developer tools.
Built for speed.

JSON Formatter

Format, validate, and beautify JSON instantly.

JWT Decoder

Decode JSON Web Tokens and inspect header & payload.

UUID Generator

Generate cryptographically secure v4 UUIDs.

Base64 Encoder / Decoder

Encode & decode strings or text safely with UTF-8 support.

Regex Tester

Test regular expressions against test text in real-time.

All Developer Utilities

Categorized tools ready for client-side processing

Data (3)

JSON Formatter

Format, validate, and beautify JSON instantly.

JSON Validator

Validate JSON syntax with precise line/col errors.

YAML ↔ JSON Converter

Convert between YAML and JSON syntax bidirectionally.

Security / Encoding (3)

JWT Decoder

Decode JSON Web Tokens and inspect header & payload.

Base64 Encoder / Decoder

Encode & decode strings or text safely with UTF-8 support.

URL Encoder / Decoder

Encode or decode URL query strings and URI components.

Development (3)

UUID Generator

Generate cryptographically secure v4 UUIDs.

Regex Tester

Test regular expressions against test text in real-time.

SQL Formatter

Format and beautify raw SQL queries.