DeveloperLocal processing
Base64 Encoder/Decoder
Convert text and Base64 with UTF-8 support
Original Text
Result
Result will appear here
About This Tool
Base64 Encoder/Decoder is a free online tool. Base64 encode and decode All processing runs locally in your browser — files are never uploaded to any server, keeping your data private.
Use Cases
- Format JSON, YAML, TOML, SQL, and XML for API debugging
- Encoding, hashing, JWT decode, AES crypto, and security tasks
- Regex, JSONPath, IP, Cron, and other developer utilities
- Run locally — configs and secrets never leave your device
How to Use
- Step 1
Enter original text or Base64 string on the left
- Step 2
Choose encode or decode mode
- Step 3
See converted result on the right automatically
- Step 4
One-click copy of the result
Frequently Asked Questions
- Is Base64 Encoder/Decoder free?
- Yes, completely free with no registration required and no usage limits.
- Are my files uploaded to a server?
- No. Base64 Encoder/Decoder processes everything locally in your browser. Your data never leaves your device or gets uploaded to any server.
- Which browsers are supported?
- Chrome, Firefox, Safari, Edge, and other modern browsers. We recommend using the latest version for the best experience.
- How do I use Base64 Encoder/Decoder?
- 1. Enter original text or Base64 string on the left 2. Choose encode or decode mode 3. See converted result on the right automatically 4. One-click copy of the result