Tools
Runs locally

Data URL

Encode text as a base64 data URL.

Ctrl+Enter runs. Ctrl+Shift+Backspace clears.

Export and import are available after you sign in. Sign in

Builds a text/plain data URL locally.

About this tool

Embed a small text file directly in a link, an HTML attribute or a test fixture. Paste the text and get a data: URL that browsers open as plain text.

How to use it

  1. 01

    Paste the text.

  2. 02

    Get the data URL.

  3. 03

    Copy it into your link or code.

FAQ

Frequently asked questions

Which MIME type is used?

text/plain with UTF-8, encoded in Base64.

Is there a size limit?

Browsers accept long data URLs, but keep them small; large files are better served normally.