Image to Base64
Image to Base64 conversion is useful for tiny icons, email snippets and self-contained demos, but it is not ideal for large production assets.
Runs in your browserNo uploadFree · no signup
Direct answer
Image to Base64 is a browser-side workflow connected to Base64. It converts Image file bytes to Base64 data URI without requiring an upload.
Image file bytes
logo.png
Base64 data URI
data:image/png;base64,...
When to use it
- Read the image bytes locally.
- Base64-encode the bytes.
- Add the correct data:image MIME prefix.
Use the interactive tool
Open Base64 to run the workflow locally in your browser. This page is static HTML for search, examples and quick reference.
FAQ
Why is Base64 image output larger?
Base64 representation is roughly one third larger than the original bytes.
When should I use image to Base64?
Use it for tiny assets or portable demos, not for normal website image delivery.