PDFdukan provides browser-based document tools. CamMaster is our scanner for receipts and documents: crop photos, enhance readability, and export them as PDF or JPG without installing an app.
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Document Enhancement
CamMaster can reduce shadows, sharpen text, correct perspective, and provides manual adjustment when automatic detection needs help.
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Auto Edge Detection
Advanced OpenCV computer vision detects document edges automatically, even on tilted papers.
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Local Core Processing
Core scanning and PDF operations run in your browser. Optional services such as Google Drive are contacted only when you choose to use them.
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Google Drive Integration
Sign in with Google to save documents directly to your own Drive — no extra storage needed.
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No Core Upload Wait
Local processing avoids a core file-upload step. Actual speed depends on file size, page count, browser, and device.
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Works on All Devices
Mobile phones, tablets, laptops — CamMaster works on any device with a modern browser.
How to Scan Documents with CamMaster
Scanning with PDFdukan's CamMaster takes three simple steps. No technical skills needed.
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Upload or Scan
Click "Smart Scan" to use your camera, or "Import" to upload existing images and PDFs from your device.
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Auto-Detect & Crop
CamMaster automatically detects document edges. Adjust corners if needed and apply AI enhancement filters.
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Export & Share
Download as PDF, JPG, or save directly to Google Drive. Share via link or email instantly.
PDFdukan provides free-to-use online PDF and document tools that work in a modern browser. Convert images to PDF, merge or split PDFs, compress files, and extract text from scans with OCR. The CamMaster document scanner uses computer vision to detect document edges, correct perspective, and improve readability. Core tools state their supported formats, processing method, and limitations on their own pages. If you are choosing between scanner products, read our evidence-linked guide to the best CamScanner alternatives.
Why PDFdukan?
Looking for free PDF tools that just work? PDFdukan gives you a full document toolkit in one place. There is nothing to install and no account needed for the basics.
Our online document scanner turns phone photos into clean PDFs in seconds. The PDF tools let you merge, split, compress, and convert files fast. Most tools run right in your browser, so your files stay on your device.
Here is the best part: it is free. You get an online document scanner, OCR, image tools, and PDF converters with no installation needed. Whether you are a student, a worker, or a small business owner, PDFdukan helps you get document jobs done quickly and privately.
Frequently Asked Questions
Common questions about PDFdukan and CamMaster.
CamMaster is a free online document scanner by PDFdukan. It lets you scan, crop, enhance, and convert documents to PDF directly in your web browser — no app installation required. Perfect alternative to CamScanner and other paid apps.
The basic scanning, PDF conversion, OCR, merging, splitting, and image-compression features listed on PDFdukan are currently available without payment or a credit card.
Core PDF and scanning operations identified as local on their tool pages run in your browser. Optional connected services, such as saving to Google Drive, communicate with that service only when you choose to use them.
Sign in is optional for all basic features. Signing in with Google lets you save documents to your Google Drive, access them from any device, and sync settings. We never access your existing Drive files.
CamMaster uses OpenCV.js-based edge detection. Results vary with lighting, contrast, background, and camera angle. You can manually adjust the document corners when needed.
Input: JPG, JPEG, PNG, WEBP, and PDF. Output: PDF (single or multi-page), JPG, PNG, ZIP. All tools support standard PDF formats.
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Connect Google Drive to save selected outputs to your own Drive storage. Review the destination before uploading sensitive documents.
