Free browser tools

Everyday developer utilities that run entirely in your browser. No signup, no tracking of your input — nothing you paste here ever leaves your machine.

Formatters

JSON Formatter

Validate, pretty-print, and minify JSON.

Case Converter

Convert between camelCase, snake_case, kebab-case, and more.

Generators

UUID Generator

Generate v4 UUIDs in bulk.

Password Generator

Generate secure random passwords with custom character sets.

Slugify

Turn any text into a clean URL-safe slug.

Converters

Timestamp Converter

Convert Unix timestamps to dates and back.

Encoders & Security

Base64 Encode / Decode

Encode text to Base64 and decode it back (UTF-8 safe).

URL Encode / Decode

Escape and unescape URL components.

JWT Decoder

Decode a JSON Web Token's header and payload — locally, in your browser.

Hash Generator

Compute SHA-1, SHA-256, and SHA-512 hashes of any text.