Tool overview
What is Image ↔ Base64?
A Image ↔ Base64 is a tool that helps you encode images to Base64 data URIs and decode back.
Why use Image ↔ Base64?
It improves readability and workflow speed when you need to encode images to Base64 data URIs and decode back—entirely in your browser with no server uploads.
Key Features
Instant syntax highlighting and error catching, client-side privacy, and one-click copy for image ↔ Base64 workflows. Encode images to Base64 data URIs and decode back
How to Use
Follow these steps to get accurate results from the tool interface above.
- Drag and drop an image or pick from disk.
- Copy data URI for inline HTML/CSS or decode Base64 back to preview.
- Watch output size—large images inflate HTML payload.
Data URI Format
Structure of emitted Base64 image URIs.
| Token Type | Valid Standard Format | Malformed Input |
|---|---|---|
| PNG data URI | data:image/png;base64,iVBOR… | data:image/png;base64,!!!Invalid Base64 breaks img src rendering. |
| MIME prefix | data:image/jpeg;base64, | data:base64,MIME type required for browser decode. |
Security Profile
Images process locally. Data URIs are not encryption—anyone with HTML can decode the image.
Frequently Asked Questions
Expandable answers for common debugging bottlenecks and data privacy questions.
Official Documentation & References
Authoritative specifications and platform documentation for this utility.