| What it does | Invisible forensic watermarking for leak detection and leak tracing
| Free, open-source plugin that swaps secrets and personal data for placeholders before AI models see them
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Open source
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| Pricing | Free: $0/month (5 active files, detectable for 6 months, up to 5 MB per file, PDFs up to 10 pages). Starter: $9.99/month (50 active files, detectable until deleted, up to 10 MB per file, PDFs up to 50 pages). Pro: $19.99/month (no active-file cap, detectable until deleted, up to 20 MB per file, PDFs
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| Key features | - Mark PNG, JPEG, WebP images, PDFs, text files, and Office documents with invisible watermarks
- Detect watermarks in screenshots and cropped copies of marked files
- Assign custom private identifiers to track which recipient received each marked copy
- Generate PDF evidence reports of detected watermarks on Starter and higher plans
- Shared workspace collaboration on Business and Enterprise plans
- Mark and detect API for Business and Enterprise plans
- HMAC metadata mark embedded in all files across all plans
- MCP integration with Claude, Cursor, VS Code, and ChatGPT on Pro and higher plans
- 14-day free trial available for Starter, Pro, and Business plans
| - Detects email addresses, phone numbers, API tokens, private keys, and passwords
- Replaces secrets with placeholders before reaching the model
- Runs entirely on your local machine with no telemetry or servers
- Protects PDFs, images, and SSH keys
- Uses fixed detection rules instead of language models
- Supports custom detection rules
- Highest precision detection on benchmark datasets
- Optional NER service for finding names in text
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| What makes it different | - Watermark remains invisible in ordinary viewing and does not alter file appearance
- File contents never stored on servers, only detection metadata kept for security
- Detection works on screenshots and edited copies through best-effort recovery
- Free plan available with no credit card required to start
- Marks detectable indefinitely on paid plans until file is deleted
| - Highest precision with lowest false positive rate across all tested datasets
- Preserves code readability by not masking commit hashes, IDs, and file names
- No external dependencies or telemetry required
- Fully open source under Apache 2.0 license
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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) | 12 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 1 |
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| Citation Flow (Majestic) | 19 | 27 |
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| Referring domains (Majestic) | 8 | 17 |
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maisecrets