Can I preview a Base64 image string here?
Yes. Paste a valid image data URL to preview and download it.
Image to Base64 and Base64 to Image
Encode images as Base64 or decode a data URL without leaving your browser.
Files and text are processed locally in your browser. No upload. No signup.
Decode a Base64 image string to preview it here.
How to use
- 1 Upload an image to generate a Base64 data URL.
- 2 Copy the encoded output or paste an existing data URL.
- 3 Preview and download the decoded image if needed.
Features
- Image to Base64 encoding.
- Base64 image preview and download.
- Runs entirely in your browser.
Common use cases
Embedding tiny graphics into HTML or CSS
Inspecting a Base64 data URL from another tool
Converting an image to a pasteable string for development work
Best format choice
When to use it
You need a tiny inline asset for development or testing
Base64 can be useful for quick embedding.
When to use it
You are working with larger images or production assets
Keep the image as a file instead of forcing Base64.
Common mistakes
- Using Base64 for large images and expecting good page performance.
- Pasting an incomplete data URL and assuming it should still preview correctly.
- Embedding Base64 where a normal file URL would be simpler and easier to cache.
FAQ
Will the image be uploaded?
No. Encoding and decoding stay in your browser.