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Google AdSense Slot ID: 3456789012 • Responsive
How to Use Base64 Encoder / Decoder
- Choose your workspace: "Text Encode / Decode", "File to Base64", or "Base64 to File / Media".
- In Text Mode: Type or paste plain text or Base64 with real-time conversion and URL-safe options.
- In File to Base64 Mode: Drag and drop any image, document, or audio file to generate Base64, Data URIs, HTML tags, or CSS snippets.
- In Base64 to File Mode: Paste any Base64 string or Data URI to inspect the live media preview and download the reconstructed file.
Key Features & Advantages
- Triple workspace: Full Unicode text encoder/decoder, Drag-and-drop file encoder, and Media reconstructor
- Full Unicode & UTF-8 support: Perfectly handles emojis, Hindi, Japanese, and multi-byte character sets
- URL-Safe Base64 (base64url) and MIME/RFC line chunking options
- Multi-format export: Raw Base64, Data URI, HTML <img> tag, CSS background-image, and Markdown
- Live media preview & binary reconstructor: Reconstruct PNG, JPG, WEBP, GIF, SVG, PDF, Audio, and Video files with 1-click download
Frequently Asked Questions
Yes! Our tool uses standard TextEncoder and TextDecoder Web APIs to handle UTF-8 multi-byte characters, emojis (🎉 🚀), Hindi, Japanese, and Arabic text with 100% fidelity.
Yes! The "Base64 to File / Media" tab automatically detects file signatures (PNG, JPG, PDF, MP3, etc.), provides an instant live preview, and allows you to download the reconstructed binary file directly in your browser.
Yes, you can toggle the "URL-Safe Base64" option to automatically use "-" and "_" instead of "+" and "/" and optionally strip "=" padding as per RFC 4648 §5.