How to scan documents with your phone and get clean copies

To scan documents with phone camera and get a copy that looks like it came from a real scanner, you need two things: a good photo (bright, even light, the page flat on a dark surface, the phone held straight above it) and a scanner tool that finds the page's edges, straightens it and whitens the paper. Our free Image Studio does the second part in your browser. It outlines the page live, takes the picture when you hold still, removes shadows and saves a PDF or JPG, without uploading your documents.

Here are the photo tips first, because no filter can fully rescue a dark, blurry picture, and then the steps in Image Studio.

Before you shoot: tips for a clean phone scan

Light

Daylight near a window is the best free light. Indoors, a ceiling light directly overhead often puts the shadow of your phone and hand on the page. Move so the light comes from the side, or use two lights from opposite sides. Avoid mixing a yellow bulb with daylight; the page ends up two colours.

Surface

Put the page flat on a plain, darker surface, such as a dark table or a sheet of dark cloth. White paper on a dark background gives clear edges, so the scanner finds the corners easily. Flatten folds with your palm. For a book, press the page down near the spine, keeping your fingers off the text.

Angle

Hold the phone straight above the page, parallel to it, so all four edges look about the same length on screen. A small tilt is fine because the corners are corrected later, but a strong slant stretches the letters at the far end and makes them blurry.

Shadows and glare

Your own shadow is the most common problem. Stand so the light is not behind you. If the paper is glossy (photos, laminated cards), tilt the page slightly until the bright spot of glare disappears from the screen.

Focus and steadiness

Wipe the camera lens; phones in pockets collect fingerprints that make everything look hazy. Tap the screen on the text to focus if your camera allows it, and hold still for a moment. Leaning your elbows on the table helps.

Problem in the scan	Usual cause	Fix
Grey or patchy background	Uneven light	Light from the side; then use No shadows
Dark shape across the page	Your hand or phone blocks the light	Change position; then use Magic colour
Edges not found	White paper on a white table	Use a darker surface
Letters blurry at one end	Phone held at a slant	Hold the phone parallel to the page
Whole page soft	Dirty lens or movement	Clean the lens, hold still, let Auto take the shot
Bright white spot	Glare on glossy paper	Tilt the page slightly

How to scan documents with phone and Image Studio

1. Open the camera. Go to Image Studio in your phone's browser and tap Scan with camera, then allow camera access. Choose Document for paper pages (the other modes are ID card and Photo). If you already have photos of the pages, tap Choose photos instead.
2. Scan the pages. Point at the page. Its edges are outlined live, and with Auto on, the picture is taken by itself when you hold still for about a second. Move to the next page and repeat. In dim light, tap the torch button (on phones that have one). Tap a page's thumbnail to take it again.
3. Check the corners. In Crop & rotate, the corners are already placed on the paper. Drag any corner that is off, then press Apply crop. The page is mapped onto a flat rectangle, so a page shot at an angle comes out square.
4. Turn and level it. If a page is sideways, tap Auto rotate; it reads the shape of the letters to tell which way is up. Straighten levels text that is slightly tilted.
5. Clean it up. Pick a look from the row under the page (see the table below). Before / After lets you compare. More filters opens the full filter stack, where you can combine steps like No shadows, then Black & white, then Sharpen.
6. Save. Choose PDF or JPG, and a size limit if you need one: Under 2 MB, 1 MB, 500 KB, 200 KB or 100 KB. Presets do it in one tap, such as Email PDF (A4, 150 DPI, under 1 MB), Online form (JPG, each under 200 KB) or Print ready PDF. On phones, Share sends the file straight to WhatsApp, email or Drive.

Image Studio starts in Simple mode with three steps: Crop, Clean up and Save. More tools switches to Advanced for areas, resizing, text reading and print layouts.

Which look to choose

Look	What it does	Good for
Original	No changes	Checking the photo, colour documents
Magic colour	Removes shadows, deepens blacks and livens up colours	Most documents, forms with coloured stamps
No shadows	Evens out the light only	Hand shadows, uneven light
Black & white	Removes shadows, then pure black and white	Typed pages, sharp small text
Grayscale	Removes shadows, then shades of grey	Pages with photos or pencil
Print ready	White background, removes text showing through from the back, dust and dark edges, crisp letters	Copies you will print
Print ready B&W	The same in black and white	Printing while saving toner

If a page has a signature or an official stamp, tick the option to keep stamps and signatures in colour. Coloured ink then stays in colour even on a black and white page.

ID cards and receipts

For an NID, student ID or driving licence, choose ID card in the camera. Scan the front, then turn the card over and scan the back. When you tap Done, both sides are placed on one A4 page at real card size (85.6 × 54 mm). Print it at 100%, not "fit to page", so it stays the right size.

Receipts are long and thin, and the thermal paper fades. Scan them soon after you get them, use Black & white or Print ready for the clearest text, and keep them flat against a dark surface.

Make the text searchable

In Advanced, Text (OCR) reads the words in your scan, in English, Bengali or both. You can copy the text or save it as a .txt file. Use the Searchable PDF preset to save a PDF in which you can search and copy the text. Like everything else in Image Studio, it runs in your browser; the text reader is downloaded the first time you use it.

After the scan

• Sign it or add text: choose Open in PDF Studio from Save. PDF Studio lets you sign, add text, page numbers or a password in your browser.
• Images you already have: JPG to PDF turns ready-made images into one PDF, with A4 or Letter pages.
• Photo or signature upload in JPG: the Image Compressor shrinks images to a target such as 100 KB.
• A PDF that is still too big: see how to compress a PDF to under 1 MB. To combine several scanned files, see how to merge PDFs without uploading them.

Built-in phone scanners

Phones have scanners of their own, and they are fine for quick jobs. On iPhone, the Notes app can scan documents into a note. On Android, the Google Drive app has a Scan button that saves the scan as a PDF in your Drive. Keep in mind that a scan saved into a cloud service is stored in your account there. Image Studio keeps the scan on your phone unless you choose to share it, and adds print layouts, size limits and Bengali text reading.

Quick checklist

• Clean the lens
• Bright, even light from the side; no shadow from you or the phone
• Page flat on a dark, plain surface
• Phone held parallel above the page
• Auto on: hold still and let it take the picture
• Check the corners, then Apply crop
• Magic colour or No shadows for most pages; Print ready for printing
• Stamps and signatures kept in colour when needed
• Save with a size limit if the file is for an online form