Free online Base64 encode and decode tool. Convert text to Base64 or decode Base64 back to text instantly in your browser — useful for data URLs, tokens, and binary-safe transport. No data is uploaded.
What you can do
Encode plain text to Base64
Decode Base64 to readable text
Swap input and output in one click
Runs locally for privacy
Category: Encode / Decode
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DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.