Base64 - Encoder & Decoder
Extension Actions
Quickly encode or decode Base64 text with proper UTF-8 support — fully offline and local.
Base64 – Encoder & Decoder is a fast, lightweight, and privacy-focused Chrome extension that allows you to convert text to and from Base64 instantly. Whether you are a developer, student, or someone who frequently works with encoded data, this tool offers a simple and reliable Base64 conversion experience directly inside your browser.
This extension runs 100% offline and performs all encoding/decoding locally in your device, ensuring your text never leaves your computer. With proper UTF-8 support, it accurately handles emojis, accented characters, symbols, and multilingual text without breaking or producing invalid Base64 results.
⭐ Key Features
1. Instant Base64 Encoding & Decoding
Convert text with a single click — no external services required.
2. Full UTF-8 Compatibility
Works flawlessly with emojis (😊), symbols (★) and non-English languages.
3. Offline & Secure
Processing happens entirely in your browser. No servers. No data collection.
4. Swap Input and Output
Switch encoded ⇄ decoded text instantly.
5. Copy / Paste Shortcuts
Quickly copy results or paste from clipboard for fast processing.
6. Clean & Modern UI
A smooth, dark-themed interface designed for speed and clarity.
⭐ Why Install This Extension?
If you frequently work with Base64 (developers, security professionals, students), this tool saves time and makes encoding/decoding significantly easier. No more websites, no ads, no internet needed — everything is instantly available in your browser toolbar.
🔒 Privacy
Your text never leaves your device. No tracking, no analytics, no data collection.