| What it does | Open-source audio transcoding proxy that renders variants on demand from signed URLs
| Transform JSON into Visual Graphs
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| Stage | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Open source and free to self-host
| Free plan includes upload and process small files, Chrome/VS Code extension, unlimited downloads, and visualization with tables and charts. Pro plan costs $2.49/month (monthly) or is available yearly, includes ad-free experience, compare and analyze data, edit JSON from diagrams, unlimited diagrams
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| Key features | - On-demand audio transcoding from signed URLs
- Multiple output formats: MP3, AAC, M4A, Opus, Ogg, FLAC, WAV, and peaks
- Audio trimming, fades, gain and EBU R128 loudness normalization
- Speech cleanup with enhance:voice preset
- Waveform peaks generation compatible with audiowaveform
- Expiring URLs excluded from cache key
- Render stream while encoding with real-time caching
- Range-capable seeking for cached variants
- Immutable cache with long-lived variant URLs
- Audio-only enforcement preventing video processing
| - Interactive tree view with expand/collapse and color-coded syntax highlighting
- Side-by-side JSON comparison with visual diff viewer
- AI-powered JSON diagram generation from natural language
- Convert JSON data into dynamic charts and graphs
- Chrome extension for instant visualization on any webpage
- Multi-format support for YAML, XML, CSV, TOML, TOON and Mermaid
- REST API client with diagram visualization of responses
- Customizable themes and multi-node color customization
- Export diagrams as images and download graphs
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| What makes it different | - URL-based API with no request bodies or server-side state
- Options normalize to same cache key regardless of order
- Streams first render to client while caching simultaneously
- Range-seeking on cached variants with CDN-friendly immutable policies
- Open source with Elixir implementation and reference signing algorithms
| - Supports 6+ data formats including JSON, YAML, XML, CSV, TOML and TOON in one tool
- AI-powered assistant to generate and transform JSON using natural language commands
- Chrome and VS Code extensions for seamless workflow integration
- Privacy-first design with data stored only upon manual upload
- Native mobile apps for Android and iOS for on-the-go visualization
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | 19 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 19 | 9 |
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| Citation Flow (Majestic) | 20 | 26 |
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| Referring domains (Majestic) | 16 | 130 |
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audioproxy
JSON Viewer