Deskew is a tool for deskewing scanned text documents. Deskewing is a term used for fixing the scans to get the lines of text straight. That means rotating the image of the scanned page a little to compensate for the misalignment of the paper in the scanner.

Deskew uses Hough transform to detect 'text lines' in the image and their orientation. As an output, you get an image rotated so that the detected lines are horizontal. You can find more theory in introductory post Deskewing Scanned Documents if you are curious.

The most powerful feature is its ability to query back-ends for scanner specific options which can be set by the user as a scanner profile. It also has support for authentication, mutlicast DNS discovery, simultaneous scan jobs, image transformation jobs (deskew, binarize, crop, etc), PDF and PNG output. It can also be integrated with your own. This online document converter allows you to convert images not only to PDF, but several Dateien bleiben privat. Thanks to Jquery, Bootstrap, Admin LTE to build this awesome tool. Click the 'Deskew' button and then 'Download' your straightened PDF. The Deskew node offers both standard and Photo straighten tool, helps to adjust bended or curved photo in a simple steps. How to deskew or despeckle PDF document and publish online in Mac OS X. You can use VeryPDF Table Extractor OCR to deskew PDF which is skew less than 15 degree and despeckle PDF document which is full of speckles in both on Mac OS X system and Windows system.

Deskew is a command line tool for Windows, Linux, and macOS. Simple GUI frontend also exists. Based on the user feedback and my own usage, I'd say it works quite well 🙂 On occasion, I think about stuff like: Deskew web app, GPU deskewing, Deskew app for Android, and even Deskew Photoshop plugin!

All Posts About Deskew

• Deskew CLI Tool v1.30 ReleasedPosted on: June 19, 2019
• GUI Frontend for DeskewPosted on: December 4, 2018
• Deskew Tool v1.25 ReleasedPosted on: May 23, 2018
• Deskew Tool v1.20 ReleasedPosted on: November 29, 2016
• Deskew Tool Version 1.10Posted on: March 7, 2014
• Deskew Tool UpdatedPosted on: June 6, 2012
• Deskewing Scanned DocumentsPosted on: January 5, 2011

Downloads

Command line tool and GUI frontend downloads:

Deskew v1.30
» 4.3 MiB - 14,142 hits - June 19, 2019
Command line tool for deskewing scanned documents. Binaries for several platforms, test images, and Object Pascal source code included.

DeskewGui v0.90
» 4.1 MiB - 2,946 hits - March 18, 2019
GUI frontend for Deskew command line tool. Prebuilt binaries for Windows, macOS, and Linux. Windows and Linux versions need Deskew command line tool binaries.

Bug Reports & Feature Proposals

Please report bugs and propose enhancements and new features in Deskew's issue tracker:
https://github.com/galfar/deskew/issues

Source Code

Deskew's sources are hosted here:
https://github.com/galfar/deskew

Online Pdf Deskew

Donation

Free Online Pdf Deskew

If you want to donate to Deskew Tools you can click Sponsor button at Deskew's GitHub page.