View, edit and remove EXIF metadata from images with this privacy-focused online tool.
Base64 Image
Optimize images and convert them to Base64 strings with this free online encoder.
About Base64 Image
Base64 Image is a browser tool that converts image files into base64 strings for use in HTML and CSS. You can drag images onto the page or click to select them, then copy the output. Guests can convert files up to 1 MB each, and signed-in users can convert files up to 5 MB. Uploaded files are deleted after processing.
Key features
- Supported formats include JPEG, PNG, GIF, WebP, SVG, BMP, ICO, TIFF, AVIF and HEIC/HEIF
- Optional compression, resizing and format conversion before encoding
- Up to 20 files per upload
- REST API for programmatic encoding, with a bearer token required
- Tutorial, FAQ and code examples
Best for: People who want to embed images directly in HTML, CSS or email templates.
Watch out for
- Base64 output is about 33% larger than the original image
- Not a good fit for images over 50 KB or images reused across many pages
Base64 Image at a glance
- Website
- base64-image.de
- Category
- Design & Creative › Photography
- Type
- Online tool
- Pricing
- Freemium
- Platforms
- Web
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Base64 Image FAQ
Can the encoded output be decoded?
Yes. Base64 is an encoding, not encryption, so anyone can decode the string back to the original image.
Who runs the service?
The FAQ says the service is run by Geek Cell GmbH, a German company.
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