Online Base64 Encoder & Decoder
Encode text to Base64 and decode it back, all online in your browser. Perfect for APIs, tokens and auth headers. No signup.
Open the Free Tool →This online Base64 tool handles both encoding and decoding from a single screen. You paste your text or string, and it converts in the direction you need without installing anything.
Everything runs in your browser, so your data stays local. It is free with no signup, a convenient go-to whenever you need Base64.
Why use it
Encode and decode
Handle both directions from one online screen.
Nothing to install
Works in your browser on any device.
Runs locally
Your data is processed in the browser, not on a server.
Free, no signup
Use it instantly without an account.
FAQ
Does this work entirely online?
Yes, it runs in your browser with nothing to install.
Can it both encode and decode?
Yes, it converts text to Base64 and decodes Base64 back to text.
Is my data uploaded?
No, encoding and decoding happen locally in your browser.
What is it useful for?
It is handy for APIs, tokens and auth headers that use Base64.
Do I need an account?
No, it is free with no signup required.
Looking for the full tool? Open Base64 Encoder / Decoder — free and no account needed.
The All Innovativ Online Base64 Encoder & Decoder encodes text to Base64 and decodes it back, all online in your browser — free, 100% browser-based, with no upload, no account and no signup.
It runs entirely in your browser with nothing to install, converting text to Base64 and decoding Base64 back to text. Encoding and decoding happen locally, so your data is never uploaded and there is zero server-side retention. It is handy for APIs, tokens and auth headers that use Base64, and it is free with no signup required.