GoBase64 - Base64 & JWT Developer Suite

Fast, 100% private Base64 encoder/decoder, Image to Data-URI converter, JWT inspector & right-click tools. Powered by gobase64.com.

GoBase64 is the lightweight, private, and ultra-fast developer companion for all your Base64 encoding, decoding, and debugging tasks. Powered by gobase64.com, this extension operates 100% locally in your browser RAM with zero server communication. KEY FEATURES & TOOLS: 1. Text Encoder & Decoder: - Instant real-time auto-detection between raw text and Base64. - Full UTF-8 safe handling (supports emojis, Unicode, and accented characters). - URL-Safe Base64 mode (- and _ substitution with padding removal). - Live character count, byte size, and overhead percentage metrics. 2. Image to Data URI (CSS & HTML): - Convert PNG, JPEG, SVG, WebP, GIF, and icon files to Base64 Data URIs. - 1-click copy for CSS background-image: url('data:...') declarations. - 1-click copy for HTML <img src="data:..."> image tags. - Direct file embedding that eliminates unnecessary HTTP round-trips. 3. Reconstruct Binary Files from Base64: - Paste any Base64 string or Data URI to restore the original binary file. - Automatic MIME type detection via magic byte header analysis. - Live in-browser preview for graphics and images. - Instant 1-click binary download to your disk. 4. JWT Token Inspector & Debugger: - Decode JSON Web Tokens on the fly with syntax-highlighted headers and payloads. - View decoded expiration timestamps (exp) in human-readable local time. - Verify active token status safely without exposing secret keys to remote servers. 5. Right-Click Context Menu Shortcuts: - Highlight any text on any website and right-click to "Encode selection to Base64" or "Decode selection to Text". - Right-click any image on the web and select "Copy as Base64 Data URI". - Seamless clipboard writing with subtle toast confirmation. PRIVACY & SECURITY: - 100% Client-Side: All processing runs in local memory. - Zero Cloud Uploads: Your sensitive tokens, keys, and confidential data never leave your browser. - No Tracking / No Telemetry: Completely private and open. Visit https://gobase64.com for additional web tools, batch processing, and offline developer utilities.