URL Encoder / Decoder
Encode or decode URLs, query strings, and form data. All processing stays in your browser.
Why Use DiffMergy’s URL Encoder / Decoder?
DiffMergy’s URL Encoder / Decoder handles percent-encoding for URLs, query strings, and form data. The simple encode/decode toggle makes it easy to prepare parameters for API calls or decode obfuscated URLs for inspection.
Every keystroke produces instant output with no server interaction, ensuring sensitive query parameters never leave your machine. The swap button lets you quickly toggle between encoded and decoded representations.
100% Private — No Server Upload
All processing happens entirely in your browser using Web Workers and modern browser APIs. Your sensitive source code, credentials, and files never leave your device — no servers, no databases, no tracking, no sign-up required.
Fast & Reliable
Built with vanilla TypeScript and a lightweight custom engine, DiffMergy delivers sub-millisecond processing with zero network latency. The entire toolkit works on any modern browser across all operating systems, with no installation or setup needed.