Encode and decode text using Base64
Encode or decode Base64 instantly in your browser. Fast client-side processing keeps text private while supporting quick copy & swap.
A: No. Base64 is a reversible encoding for representing binary as ASCII text and should not be used for secrecy.
A: Processing is entirely client-side. Your input and output are not uploaded or stored on servers.
A: Base64 expands data by roughly 33% because it maps 3 bytes of binary into 4 printable characters.
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Encode and decode URLs
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