Image ↔ Base64 Converter
Input
Select or drop an image to retrieve its Base64 code.
Choose your conversion type.
Drag and drop an image here or browse browse
Supports PNG, JPG, WEBP, GIF, SVG...
Result
0 bytes
All processing happens in your browser — your files are never uploaded to a server.
About this Tool
The Image Base64 Converter tool on AllThatConverter transposes image assets (PNG, JPG, WebP, GIF, SVG) into Base64 Data URL code arrays, and restores Base64 texts back into high-fidelity image downloads. Processing 100% locally on your device, it secures your private graphical design files against remote storage leaks.
100% Secure Local Processing Active
This tool runs entirely on your device via WebAssembly and browser Canvas. No files are ever sent to any remote server, ensuring complete data security.
How to Use
Select the direction of transformation: Image to Base64 or Base64 to Image.
For encoding, drag-and-drop your image to retrieve the Data URL string. For decoding, paste the Base64 string to see a preview card.
Copy the resulting Base64 text snippet or click the download button to capture the restored image.
Core Scenarios & Use Cases
Inline Image Embedding for Web Pages
Transforms small logos or vector assets into Base64 texts to embed them inline in HTML/CSS, minimizing server HTTP queries.
Restoring Images from System Logs
Decodes base64-encoded image payloads grabbed from server log lines or database columns back into visual files.
Confidential Graphics File Security
Processes confidential interface mockups locally in browser buffer memory to prevent digital piracy or leakage risks.
Frequently Asked Questions
No remote restrictions apply. However, transposing massive high-res photos into heavy strings might freeze browser tabs. We suggest converting smaller graphics and icon assets.
The tool auto-detects the mime type from the Data URL prefix to restore the original extension (e.g. JPG, PNG). Pure Base64 codes without prefixes default to PNG.