| What it does | Fast, private, offline file converter for Windows
| RFC-4180 JSON to CSV converter and nested object flattener for browser-native bidirectional data conversion
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free with 5 free conversions. Paid plans: Founder Pass $1.99, Early Bird $3.99, Launch Special $5.99, Pro Pass $9.99, Standard Lifetime $14.99 (one-time purchase for lifetime license covering up to 3 PCs)
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| Key features | - 300+ conversion options across images, video, audio, PDFs, documents, archives and subtitles
- 35 advanced file tools including crop, compress, trim, split, merge and redact
- 6 file actions: Copy, Copy path, Move to, Copy to, Terminal and Show
- Drag-and-drop interface with keyboard shortcuts
- All conversions run locally on your PC with no internet required
- No sign-up required
- Works with folders and mixed file selections
- Lifetime license covers up to 3 PCs
| - Bidirectional conversion between JSON and CSV formats
- RFC-4180 state-machine escaping for proper comma and quote handling
- Recursive nested object flattening with dot notation
- Recursive key union discovery across entire JSON array
- Multiple delimiter options: comma, tab (TSV), and semicolon
- Local browser-based processing with zero server upload
- Support for multiline and quoted CSV fields
- File upload and text paste input options
- Immediate download of converted files
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| What makes it different | - Fully offline processing—files never leave your PC
- No sign-up, no queue, no conversion limit tracking uploaded to servers
- One-time lifetime purchase rather than subscription
- Combines file conversion with 35 built-in tools in a single application
| - 100% lossless bidirectional conversion with full RFC-4180 compliance
- Scans entire JSON array instead of just first object to preserve all fields
- Zero-retention: all processing happens locally in browser memory
- Handles real-world edge cases like commas inside quotes and nested objects
- Interactive workstation interface with step-by-step guidance
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 17 | 0 |
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| Referring domains (Majestic) | 6 | 0 |
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ZeeML JSON to CSV Converter