Encoding / Decoding
Encode or decode text using Base64, URL encoding, and HTML entities.
Base64 Image
Encode an image to Base64 data URI, or decode a data URI back to an image.
Why Use DiffMergy’s Encoding & Decoding Toolkit?
DiffMergy’s Encoding & Decoding tools provide instant conversion between Base64, URL encoding, HTML entities, and Hex formats. Whether you are debugging encoded API payloads, preparing data for transmission, or analyzing obfuscated strings, the tool handles all common encoding schemes in one place.
Every conversion runs locally with zero server calls, making it safe for sensitive tokens, credentials, and personal data. The dual-pane layout shows input and output side by side for easy comparison.
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.