| What it does | Client-side WebAssembly SDK for compressing images and PDFs in the browser before upload
| Merge, compress and edit PDFs in your browser without uploading
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
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| Pricing model | Not given
| Freemium
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| Pricing | Developer Free: $0/forever with unlimited client-side WASM engine, zero-config, target KB file bisection, and default "Powered by 100KB" backlink. Commercial License: $19/month (or $149/year, save 35%) for 100% unbranded license, automated domain whitelist lock, and high-precision biometric passport
| Core tools: Free. BytesPDF Pro: $9.99/month for target-size compression, batch rename and rotate, folder import, local OCR and digital signatures.
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| Key features | - Target KB bisection - compresses files to exact size caps (50KB, 100KB, 200KB)
- Vector-preserving PDF compression - shrinks PDF streams while preserving text and fonts
- ICAO biometric passport photo cropping - 70% head ratio for visa compliance
- AI background removal - neural network-based transparent PNG cutouts
- Signature contrast sharpening - cleans signatures under 20KB
- Parallel batch processing - processes 100+ files concurrently without UI freezing
- AWS S3 and Cloudflare R2 integration - 1-line wrapper for cloud storage uploads
- Format conversion - HEIC to JPG, PNG to JPG, JPG to PNG, image to PDF
- PDF manipulation - merge, split, convert PDF to Word
- Stamp and watermark removal - removes scanner artifacts and digital stamps
| - PDF compression with image-focused presets
- Merge up to 20 PDFs on desktop or 10 on mobile
- Edit PDF with text and marks
- Digital PDF signatures with PKCS#7
- Password protect PDFs with AES-256 encryption
- OCR to make scans searchable
- Redact text or draw boxes on PDFs
- Team Workspace with activity feed
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| What makes it different | - 0ms cloud latency - all processing happens locally in browser RAM with no server involved
- Reduces AWS S3 bills by 85% - shrinks 15MB uploads to 100KB before upload
- Unified SDK replacing 5 open-source packages - single solution for PDF, image, and AI tools
- 18+ media and document engines included - comprehensive toolkit from compression to biometrics
| - All processing happens in your browser; PDFs never uploaded to servers
- No account, signup, email or watermark required
- Clear, published file limits (150 MB desktop, 50 MB mobile)
- 18 tools for compression, merging, conversion, OCR, security and collaboration
- Transparent comparisons with competitors on data handling
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +1 (up) since last check | 18 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 21 | 11 |
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| Referring domains (Majestic) | 28 | 9 |
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