ViewJSON
Automatically detects and previews Base64-encoded media (images, audio, video, PDF) inline within JSON, with editing, sharing, and API request building capabilities.
A free online JSON viewer and formatter that automatically detects and renders Base64-encoded images, audio, video, and PDFs inline within the JSON structure, eliminating the need for manual decoding. It is designed for developers working with multimodal AI APIs, such as OCR, TTS, and vision models, who need to preview and edit Base64 media in API responses and request bodies. The tool runs entirely in the browser, with optional encrypted sharing via AES-GCM, and includes features like a variable system, API request builder, and local processing.
Key features
- Live media preview for Base64 content
- Quick asset replacement with auto-conversion
- Secure encrypted share links
- File to Base64 conversion
- API request builder with cURL/HTTP export
- Local processing and end-to-end encryption
- Variable system for dynamic values
- Automatic save to browser history
- No social media activity within the last 30 days
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