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PixTools

Image to Base64

Quick answer: Add an image and copy its Base64 string, a ready data URI, an HTML <img> tag or a CSS background snippet.

About the Image to Base64

Convert an image to Base64 online for free. Copy a data URI, HTML or CSS snippet. Private, no upload.

Base64 adds about 33% to the size, so use it for small icons rather than big photos.

Everything is calculated or processed in your browser, so nothing is uploaded.

How to use it

  1. 1Add the image, or paste the text.
  2. 2Check the preview.
  3. 3Copy the result or download the file.

Why use this tool

Private by design

Your files are processed on your device and never uploaded.

Free, no signup

No account, no watermark and no daily limit.

Instant

Results update as you change settings, with no waiting for a server.

Works on phone and desktop

A responsive layout that fits any screen.

Frequently asked questions

When should I use Base64 images?

For tiny icons or emails where a separate file is awkward. Large images are better as normal files.

Are my images uploaded to a server?

No. PixTools processes images locally in your browser using your device. Your files are not uploaded or stored.

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