Base64 Tools

Base64 Encode

Drop in any text snippet, optionally upload files, configure MIME-aware Data URI output, and keep Base64 wrapping compliant with mail or transport requirements. Everything runs locally in your browser.

Updated 2025-02-14

Base64 Encode

Convert text payloads into Base64 strings

Wrap lines, add Data URI prefixes, and export encoded blobs without leaving the browser.

Include Data URI

MIME type

Line wrapping

Upload text file

Optional

Import .txt or .json snippets

Text input

Need deterministic builds? Lock wrapping to 76 characters and LF endings to align with MIME exports. The Data URI option makes it easy to embed inline assets in CSS, HTML, or JSON config payloads.

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