ToolPDFs
Base64 Encoder Decoder
Encode plain text to Base64 or decode Base64 back into readable text.
Input stays in browserRuns locallyNo signupFree to use
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Your result will appear here.
How to use Base64 Encoder Decoder
- 1Enter text or standard Base64.
- 2Choose encode or decode.
- 3Copy the result.
Processing and current limits
This supported operation runs in your browser after you select an input. Free use allows 25 MB files and shares 20 completed operations per day across tools. Pro removes those product limits, but browser memory and device performance can still limit large files.
Review security and data handling and current limits before processing a sensitive or important original.
Formats and limitations
Accepts plain text and standard Base64 text.
The tool does not process files or Base64 URL variants. Invalid Base64 produces an error.
Common uses
- Encode a short text value.
- Read a standard Base64 string.
- Inspect a text payload.
Frequently asked questions
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