Base64 Encode/Decode for email
Base64 Encode/Decode: encode text to Base64 copy/paste blocks safely. Runs locally in your browser.
Runs locally • No upload
Base64 Encode/Decode
Runs locally in your browser. No uploads.
Tip: Everything runs locally. Pro unlocks higher limits.
FAQ
Is this base64 encode/decode tool private?
Yes. It runs locally in your browser. Your text is not uploaded.
Can I use it for email?
Yes. This page is tailored for for email. Paste your text and use the tool instantly.
How to use Base64 Encode/Decode for email
- 1) Paste your text into the input box.
- 2) Use the controls that match your goal (encode text to Base64).
- 3) Copy the result or adjust your text.
- 4) Repeat until it fits your target.
How-to
This guide helps you encode text to Base64 using the Base64 Encode/Decode tool for email.
Tip: keep one “reference version” of your text so you can compare before/after changes.
Privacy: everything runs locally in your browser.
Common mistakes
- Pasting hidden formatting (try plain text if results look odd).
- Forgetting to check limits (characters/rows) before exporting.
- Mixing separators (comma vs semicolon) for CSV-style inputs.