What is Scan to PDF?
Scan to PDF lets you use your phone's camera or laptop webcam as a document scanner. Point the camera at a paper document, the tool captures the image, automatically detects the document edges, corrects perspective distortion (so a photo taken at an angle looks straight), sharpens the text, and converts it to a clean PDF — all in your browser, without installing any app or uploading your documents to a server.
How to scan a document to PDF free — step by step
- Open ihatepdf.cv/scan-to-pdf in your browser — works on Chrome, Safari, Firefox, and Edge on any device
- Grant camera permission when prompted — the tool requests camera access only for scanning; nothing is recorded or transmitted
- Hold your phone camera over the document on a flat surface in good lighting
- The tool auto-detects the document edges — tap the capture button when the green border correctly outlines the document
- Review the auto-corrected scan — adjust the crop handles if needed
- Add more pages if needed, then tap Export as PDF
- Download the PDF — no watermark
Tips for the best scan quality
- Use natural daylight or good overhead lighting — avoid direct flash on glossy paper, which creates bright spots. Indirect lighting from a window is ideal.
- Place the document on a contrasting background — a dark desk surface behind a white page makes edge detection much more reliable than light-on-light.
- Keep the camera parallel to the document — directly above is ideal. Extreme angles increase perspective distortion even after correction.
- Hold still for a moment — motion blur during capture is the main cause of blurry scans. Tap the shutter rather than swiping.
- Scan in good resolution — most modern smartphones (2019 and newer) produce adequate scan quality. For very fine text, use your phone's native camera app at maximum resolution, then use Images to PDF to convert.
What the scanner does automatically
- Edge detection — identifies the four corners of the document and crops precisely to the document boundary, removing the surrounding desk or background
- Perspective correction (deskewing) — transforms the trapezoidal shape of an angled photo into a perfectly rectangular page
- Contrast enhancement — increases text contrast so that lightly printed or faded text becomes clearly readable in the output
- Shadow removal — reduces finger shadows at the edges of the document if you are holding the page flat
Scan multi-page documents
Tap "Add Page" after each scan to build a multi-page PDF in one session. All scanned pages are assembled in order and exported as a single PDF file. This makes it easy to scan a multi-page contract, a stack of receipts, or a multi-page form into one organized document.
Make scanned PDFs searchable after scanning
Scanned PDFs are images — the text is not machine-readable. If you need to search, copy, or extract text from the scanned PDF, run it through OCR PDF after scanning. OCR adds an invisible text layer that makes the content fully searchable and selectable while leaving the visual scan intact.
Compress the scanned PDF before sharing
Scanned PDFs can be large because each page is a high-resolution image. Before emailing or uploading, run the PDF through Compress PDF. Heavy compression on scanned documents typically reduces file size by 60–70% — turning a 15MB scan of a 10-page document into a 2–3MB file — with no visible text quality loss.
Frequently asked questions
Does the camera feed leave my device?
No. Camera access is used only for in-browser capture. The video stream never leaves your device — no frames are transmitted to any server at any point.
Does it work on a laptop webcam?
Yes. Place the document flat on your desk and position the laptop above it. Webcam resolution is typically lower than a phone camera, so results are best for documents with clear, normal-sized text rather than very fine print.
Does the scanned PDF have a watermark?
No. ihatepdf never adds watermarks to any output.
Can I scan receipts and handwritten notes?
Yes. Receipts, handwritten notes, forms, business cards, and any flat paper document can be scanned. Handwritten text is captured as an image — for recognition of handwriting as machine-readable text, run OCR afterwards, though handwriting OCR accuracy varies significantly by legibility.