Base64 Encoder/Decoder
Instant, secure Base64 encoding and decoding with URL-safe and output formatting controls.
Input String
Base64 Output
Configurations
Stats
Output length: 0 chars
Output size: 0.00 KB
Mode: encode
What this Base64 encoder and decoder does
This tool helps developers encode plain text to Base64 and decode Base64 payloads back to readable content. It supports URL-safe Base64 output, line wrapping for transport-safe payloads, and one-click copy for faster debugging workflows.
Common use cases
- Inspect API payloads and tokens that are Base64 encoded.
- Convert binary-safe data for transport in JSON, headers, and query params.
- Generate URL-safe Base64 strings for browser and backend integrations.
- Decode response fragments while troubleshooting auth and webhook flows.
Notes
Base64 is an encoding format, not encryption. Sensitive data should still be protected with proper encryption and transport security.