Privacy-First 100% Client-Side & Privacy-First: Your data never leaves your device
Developer & Data

Developer & Data Utilities

Essential developer utilities for engineers, DevOps, and security professionals. 100% client-side execution via native browser APIs.

JSON Formatter & Validator

Validate syntax, indent with 2 or 4 spaces, or minify into a single line. 100% local inside your browser.

Open Tool

Base64 Encoder & Decoder

Secure UTF-8 encoding and decoding of text and binary files. Zero server transmission, instant local conversion.

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Cryptographic Hash Generator

Cryptographic checksums using the native Web Crypto API. Blazing fast, accurate, and completely private.

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UUID / GUID Generator

Generate single or batch UUIDs up to 50 at once, with customizable uppercase and hyphen options.

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JWT Inspector & Decoder

Parse headers and payloads, verify expiration timestamps, and review claims with zero privacy leaks.

Open Tool
ESC

Accessibility & Display

High Contrast Mode
Increases text and interactive border contrast
Large Font Size
Scales text size by 120% for effortless reading
Reduced Motion
Disables animations and transitions