Base64 Encode & Decode
Base64 Encode & Decode: free, fast and private. Works in your browser, nothing is uploaded, no sign-up needed.
How to use
Base64 turns text or binary data into plain ASCII characters, often used in emails, data URLs and APIs. Encode your text to Base64 or decode a Base64 string back to readable text. UTF-8 is fully supported, so Arabic and emoji work correctly, and a URL-safe option is available.
- Paste or type your input.
- Choose the options you need.
- Copy or download the result.
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Frequently asked questions
What is URL-safe Base64?
It replaces + and / with - and _ and removes the = padding so the string can be used safely in URLs.
Is Base64 encryption?
No. Base64 is only an encoding and offers no security, so never use it to protect secrets.
Is it free?
Yes. All tools are free, with no sign-up and no limits.
Is my text uploaded?
No. Everything runs locally in your browser, so your text stays private.
Does it work on mobile?
Yes. It works in any modern mobile or desktop browser.