| What it does | Merge PDFs locally and securely in your browser without uploads or registration
| Free private studios and tools for PDFs, documents, spreadsheets, data, images, slides, study, citations, maths and code, all running in your browser
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| Stage | Not given
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| Founded | Not given
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| Based in | DE
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| Pricing model | Free
| Free
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| Pricing | Completely free with no limits, no subscriptions, no ads, no watermarks
| All studios and tools are free with no watermarks or daily limits. A free account adds sync between devices and 50 MB of cloud files, with no charge.
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| Key features | - Drag and drop file sorting
- Local browser-based merging with WebAssembly
- No watermarks on merged PDFs
- Combine PDFs and image files together
- Compress merged PDF to target file size
- No registration required
- No tracking cookies
- Dark mode support
- Mobile-optimized responsive design
- Offline capable after initial load
| - PDF annotation, highlighting, text and image insertion, signing, redaction, merging, splitting, reordering, compressing, form filling, password protection and OCR
- Word document creation with real DOCX file format export
- Excel spreadsheet editing with working formulas
- CSV data cleaning, reshaping and charting
- Flashcard study with FSRS memory model and eight study modes
- Citation formatting in APA, MLA, Chicago, Harvard, IEEE and 13 more styles
- Mathematical problem solving with step-by-step answers
- Photo editing with color grading, compression and format conversion
- Offline installation as browser app with sync on reconnect
- Support for 107 languages and right-to-left scripts
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| What makes it different | - DSGVO-compliant and safe for sensitive documents like applications and contracts
- Completely free forever with no limits, ads, or hidden fees
- Servers located in Germany with TLS encryption
- Open source code publicly available on multiple platforms for transparency
| - All processing happens in your browser with no file uploads required
- No account needed to use any studio or tool
- Completely free with no watermarks, trials, daily limits or ads
- Works offline as an installable browser app
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 39 ● no change since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 13 | 0 |
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| Citation Flow (Majestic) | 29 | 0 |
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| Referring domains (Majestic) | 233 | 0 |
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pdfzus
Cromagnon