🔟Base64 Encoder / Decoder
Encode text to Base64 and decode it back.
About the Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text instantly. A handy free tool for developers working with data URIs, tokens and APIs. Runs entirely in your browser.
How to use the Base64 Encoder / Decoder
- 1Paste your input into the Base64 Encoder / Decoder above.
- 2Configure any options for your use case.
- 3Copy the formatted or generated output.
- 4It all runs client-side, so your data never leaves the page.
Why use this tool?
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Private by design
The Base64 Encoder / Decoder runs entirely in your browser — nothing you enter is uploaded to a server.
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Free, no signup
Use it as much as you like. There's no account, no paywall and no watermark.
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Fast & instant
Results appear the moment you type or click — no waiting, no page reloads.
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Works anywhere
Any device or browser, even offline once the page has loaded.
Frequently asked questions
Is my data uploaded when encoding?＋
No. Base64 encoding and decoding happen entirely in your browser.
What is Base64 used for?＋
It is commonly used to embed data in URLs, tokens, emails and APIs as plain text.