| What it does | Fast, private tools for documents, images and code that run in your browser
| Read papers. Keep what you learn.
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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
| Freemium
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| Pricing | Free: 5 runs per day for file tools, unlimited text tools, files up to 100 MB (500 MB for video/audio), batch tools up to 20 files. Pro: $9.99 one-time payment, no daily limit, files up to 1 GB (5 GB for video/audio), batch tools up to 500 files.
| Free: desktop app and self-hosted server. Lite: $2/month or $20/year. Plus: $5/month or $50/year. Pro: $20/month or $200/year.
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| Key features | - 95 tools across 6 categories: PDF, Image, Text, Developer, Security and AI builders
- PDF merge, split, compress, convert and sign without uploading
- Image compression, resizing and format conversion in browser
- All processing happens locally on device, files never uploaded
- OCR for PDFs and images with Tesseract
- Video conversion and trimming without re-encoding
- AI image upscaling and background removal in browser
- Developer tools: JSON formatter, Base64 encoder, JWT decoder, Regex tester
- One-time Pro plan: $9.99 for life, no daily limits
- Speech-to-text transcription using Whisper model
| - Highlight, draw, and annotate on PDFs with every mark becoming a note
- Outliner with live Markdown and LaTeX for mathematical notation
- AI chat to ask questions about papers with cited answers
- Full-library search across notes, highlights, and all PDFs
- Shared workspaces with live cursors and comments for collaboration
- Works offline on iPad, Android, and desktop with automatic sync
- Integrations with Zotero, Obsidian, Logseq, and Notion
- Browser extension for one-click saving papers with metadata
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| What makes it different | - All files processed locally in browser, never sent to servers
- 95 tools entirely free with no account required
- One-time $9.99 payment for Pro with lifetime access
- Text tools unlimited, file tools have 5 daily runs free
- Built on 43 open-source engines with transparent licensing
| - Self-hosted option with one Docker image for full control over data
- Live math support with Markdown and LaTeX directly in outliner notes
- Works on any device: Windows, macOS, Linux, iPad, Android, and browsers
- No vendor lock-in with SQLite files and export at any time
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 5 ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 0 | 0 |
| Citation Flow (Majestic) | 14 | 9 |
| Referring domains (Majestic) | 2 | 1 |