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How to use Base64 Encoder
Base64 Encoder. Encode text or files to Base64. No. It is an encoding that anyone can reverse. Never use it to protect passwords or secrets.
The short answer
To encode Base64, type text or drop a file. Text is encoded as UTF-8 so accents and emoji work, with an option for URL-safe Base64 (- and _ instead of + and /). Files are encoded to Base64 or a data URI.
It runs in your browser. What you enter is not uploaded.
How to use it
Type or paste your input into the Base64 Encoder.
Choose any options you need.
See the result update instantly.
Copy the result or download it.
Limits worth knowing
Is Base64 encryption? No. It is an encoding that anyone can reverse. Never use it to protect passwords or secrets.
Why is the output longer? Base64 turns every 3 bytes into 4 characters, so it is about 33% larger.