Product & Engineering Utilities
Fast, zero-latency, private client-side utilities designed for Product Managers and engineers. 100% computed inside your browser with zero data leakage.
JSON Formatter & Validator
Format, validate, beautify, and minify complex JSON documents with real-time error localization and statistics.
Base64 Encoder & Decoder
Encode plain text, UTF-8 strings, and image/media binary files into Base64 format and decode them back safely.
Unix Timestamp & Epoch Converter
Convert Unix epoch timestamps to human-readable dates (UTC/Local), with live millisecond ticker and date pickers.
UUID / GUID Generator
Generate cryptographically random RFC 4122 UUID v4 and v1 identifiers in bulk with uppercase, hyphens, and brace options.
None of the four developer tools make API requests or store information on servers. Every calculation, transformation, and formatting operation runs exclusively on your device.