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Letters Document Scanner Online: Turn a Photo into a Clean PDF
Scan a document online from a photo: upload a picture of the page, check the corners the scanner finds, and download a straight, clean PDF. Shadows are evened out, the paper turns white and the text gets sharper, so a dim phone photo comes out clear — several pages in one PDF, all in your browser.
About Document Scanner
Confileo's Document Scanner tool turns a phone photo of a document into a clean, straightened, scanner-quality PDF. It works in any browser, free to start and without signup, and a file sent to our server is deleted automatically after processing.
A photo of a piece of paper is not a scan. It is skewed, it has your desk around the edges, a grey cast across the page and the shadow of your own hand over the text. What government portals, banks and job applications want is a straight, high-contrast, white page — and that gap is exactly what this tool closes.
The page edges are detected, the perspective is corrected so a sheet photographed at an angle becomes rectangular again, and contrast and white balance are set so the background goes white and the text goes black. You download the result as a PDF, ready to upload.
How you take the photo decides the result more than any processing afterwards. Put the sheet on a surface that contrasts with it — pale paper on a dark table — hold the camera directly above rather than at an angle, and stand so the light comes from the side instead of behind you, so your own shadow does not fall across the page. Daylight near a window beats any ceiling lamp.
For multi-page documents, photograph every page in order and then combine them into a single PDF. Separate files per page are the most common reason a submission is bounced: one document was requested and seven images arrived.
Think about what a scan reveals as well as what it captures. An ID card, a payslip or a bank statement carries data that does not belong in every application. Anything that was not asked for is better redacted first — properly, with the redaction tool that deletes the content, not with a black rectangle drawn over it.
Processing happens in your browser: the photos never leave your device, and the originals are unchanged.
Quick facts
- Price
- 3 credits per file (free every month: 50 credits as a guest, 300 with a free account)
- Signup
- Not required
- Max file size
- Up to 100 MB per file
- Your files
- Deleted automatically after processing
- Works on
- Any browser — desktop, tablet, mobile
- Watermark
- None on your output
How to use Document Scanner
- Upload or take a photo of your document.
- Drag the corners to fit the page, then pick a style (Magic, B&W, Grayscale or Color).
- Scan more pages if needed, then download them as one PDF.
Why use Confileo
- ✓Try it free — 50 credits a month with no account and 300 a month with a free one; no watermarks and no credit card.
- ✓No signup or account required — start using it instantly.
- ✓Your files are processed securely and deleted automatically for full privacy.
- ✓Works in any browser on desktop, tablet and mobile — nothing to install.
- ✓Fast processing built to handle real, everyday document workloads.
Document Scanner — Frequently asked questions
How is this different from just taking a photo?
The scanner automatically detects the document edges, corrects the perspective so the page looks flat and straight, and enhances it to a crisp, scanner-like result — not a skewed phone photo.
Can I scan more than one page into a single PDF?
Yes. Scan each page one after another, reorder or remove pages, then download them all combined into one multi-page PDF.
The auto edge detection missed the corners — can I fix it?
Yes. Just drag the four corner handles to match your document exactly before scanning; the perspective correction follows your corners.
Which enhancement should I use?
Use B&W for text documents (smallest, sharpest), Magic for a bright balanced look, Grayscale for receipts, and Color to keep the original colours.
Are my photos uploaded to a server?
No. The whole scan — edge detection, correction and enhancement — runs inside your browser, so the photo never leaves your device. Private and instant.
Is it free and does it work on mobile?
You can try it free: each page costs 3 credits, and you get 50 free credits a month without an account or 300 a month with a free one. It needs no sign-up and works right in your phone browser, so you can scan straight from your camera.
Is this tool really free?
You can try it free: 50 credits without an account and 300 with a free account, renewed on the 1st of every month. Every tool uses credits — file tools 3 per file and the heavy ones 12. No watermark, no credit card. Beyond the monthly credits, Pro gives open use with no credits to count, or you can buy a credit pack.
Do I need to create an account?
No. You can use the tool straight away without signing up or logging in.
Are my files safe and private?
Yes. A file sent to our servers travels over an encrypted HTTPS connection and is deleted automatically after processing; tools that work in your browser never upload it. We don't open, read or sell your files.
Does it work on my phone?
Yes. The tool runs in any modern browser, so it works the same on desktop, tablet and mobile with nothing to install.