Select JSON file to get started
Drop file here or click to browse — processed locally in your browser
- Supports JSON, TXT
- Max file size 10MB
Or paste your JSON directly:
Rated by 50,000+ users
5M+ Images Processed100+ Countries100% Browser-Based
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Powerful Features
Two-Way Tool
Seamlessly switch between Encoding and Decoding modes.
One-Click JSON Format
Decoded strings are automatically beautified for readability.
Speed Optimized
Processes long strings near-instantaneously.
Security Focused
Securely handle auth tokens without server risks.
Base64 Pro Tips
01
JWT Debugging
Paste the payload of a JWT to decode it and see the JSON content.
02
URL Safe
Encoding JSON to Base64 is perfect for passing simple data in URLs.
03
Binary Data
Use this to prepare JSON strings for binary-only transport layers.
04
Privacy
Safely decode sensitive tokens since the data never leaves your browser.
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JSON Base64 FAQs
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