Free Base64 Encoder / Decoder
Free utility to securely encode and decode Base64 strings instantly in your browser without tracking.
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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 Base64 tool free and secure?
Yes, it is 100% free. More importantly, it is completely secure because the 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 tool interface is optimized for handling and previewing text strings.
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Your data never leaves your browser
A lightning-fast, free 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.