Free Online Base64 Encoder / Decoder
Free online utility to securely encode and decode Base64 strings instantly in your browser without tracking.
Initializing Module
Optimizing assets and preparing high-fidelity workspace...
How to use it
Select Operation Mode
Choose whether you want to encode plain text into Base64, or decode an existing Base64 string.
Input Your Text
Paste your raw string into the large input text area.
Copy the Result
The converted Base64 or plain text appears instantly. Click the copy button to save it to your clipboard.
FAQ
?Is this online Base64 tool free and secure?
Yes, it is 100% free. More importantly, it is completely secure because the online conversion happens entirely within your local browser. No data is ever sent to our servers.
?Can I decode files with this?
While Base64 can represent files, this specific online tool interface is optimized for handling and previewing text strings.
Need a custom tool?
We're constantly adding new tools. Suggest one or report a bug.
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Your data never leaves your browser
A lightning-fast, free online client-side tool to securely encode text into Base64 format, or decode Base64 strings back into readable text. Essential for working with APIs, Data URIs, and basic payload encryption.