User guide

Last updated: 2026-11-13

Before you start

Docucrop works in a recent Chrome or Edge on a computer, and also on phones (we are still testing phones with little memory). You need no account and nothing to install.

On the first visit the browser downloads the smart engine once (about 127 MB) and keeps it, so the first result takes longer depending on your connection. Do not wait: add your photos straight away and processing starts by itself when the engine is ready. Later visits start within seconds.

How to photograph a document for the best result

The site handles ordinary phone photos, but these tips raise the accuracy:

Put the paper on a background of a different colour: white paper on a dark table works better than white paper on a white sheet.
Show all four edges and leave a small margin around the document; an edge that is cut off cannot be recovered.
Use even light and avoid the shadow of your hand or phone over the paper.
With glossy or laminated cards, tilt the phone slightly until the glare leaves the text and the photo.
Photographing at an angle is fine, since the site straightens the perspective, but a very steep angle makes far text less sharp.
You can put several documents in one photo, such as the front and back of a card, with some space between them.

Adding photos and files

Drag photos or PDF files and drop them anywhere on the tool, or press “Choose files”, or “Choose a folder” to add a whole folder with its subfolders. On a phone, the “Take a photo” button photographs directly. On any screen, Ctrl+O adds more.

Supported formats: JPG, PNG, WebP, TIFF (each page as its own image) and PDF (each page as its own image). HEIC is not supported yet; the FAQ explains how to convert it.

Confirm, then scan

The confirm screen shows the images you chose. Remove what you do not want, add more, choose whether documents are straightened automatically, then press “Start cropping”.

On the scan screen you see each image with the scanning line passing over it, then the outlines of the documents found. You can move to the editing screen as soon as the first image is done; the rest continues in the background.

Reviewing and adjusting the results

The images are listed on one side, the current image with its document boxes is in the middle, and the cropped documents are on the other side. Fix anything with the mouse or the keyboard:

Drag any corner of a box to adjust the document's edges.
Draw a new box by dragging on the image if a document was not found; it is turned the right way automatically.
Delete: remove the selected box.
R and Shift+R: turn the document 90° either way.
P: switch perspective correction on or off for this document, useful for documents that are not rectangular.
Space: leave the document out of the export, or bring it back.
Tab and Shift+Tab: move between the documents of an image. ↑ and ↓: move between images.
Ctrl+A: select everything for export; Ctrl+Shift+A: select nothing.

Exporting

Press “Export” or Ctrl+E. One document is saved as a JPG; several are saved in one ZIP file. Names carry the export date and time and a running number, so they stay in order.

Exported documents get an “Exported” badge and the next export saves only the new ones, so you can add more photos and export them without repeating earlier ones. To start over, press “Back to start” or Ctrl+N.

Solving common problems

A document was not found: draw a box around it by hand, and next time photograph it on a background of a different colour.
Part of the table was included: drag the wrong corner into place.
Wrong orientation: press R or Shift+R.
The document is not rectangular (torn or curved paper) and looks distorted after straightening: press P to switch perspective correction off for it.
The engine did not start: update your browser, close extra tabs, or try a computer. If the problem stays, tell us through “Contact” at the bottom of the start screen.