Windows · Free download · System

Auto Straightener1.3.8

Auto Straightener : Detects skewed images and text sections in scanned PDFs and pictures, then tries to generate a straightened version and save it locally

Operating system
Windows 10/11
File size
11.9 MB
License
Freeware
Last updated
Apr 22, 2026

65 downloads·673 page views

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Overview

What is Auto Straightener?

Auto Straightener : Detects skewed images and text sections in scanned PDFs and pictures, then tries to generate a straightened version and save it locally

In depth

A closer look at Auto Straightener

Scanned images and documents might display skewed content that is both inaesthetic and misleading. Fixing the alignment with graphics editing applications is difficult so it might not be such a good idea. The alternative is to rescan the original documents but, in case they are nowhere to be found, another solution you can try is the Auto Straightener application.

Analyze scanned images and PDF documents in batch

Aiming to make usage as simple as possible, this software utility comes with a straightforward interface that comprises two separate tabs: one dedicated to scanned images, and the other for scanned documents.No matter the tab you choose, you can add either individual files to the processing list or select a directory and let Auto Straightener find the compatible images or PDFs. In case you want to remove a file, note that the "Delete" button on your keyboard will not work. Instead, you will have to use the dedicated button in the main window to remove items and clear the list.

Configure the angle range and precision applied when scanning

Once you press the "Process" button, Auto Straightener prompts you to select the location where the output will be placed. The files are saved in the same format as the originals.Moving on to the application's options, you should know that there are a few configuration settings you can tamper with. Auto Straightener enables you to adjust the resample width and the angle range and precision that are taken into account during a scan. These options are needed for the application to be able to detect the photo orientation and measure the angles accurately.

A convenient fix for skewed content in scanned images and PDFs

Auto Straightener is designed to analyze scanned content, be it PDF documents or regular images, to try to identify places where the text or the graphics are skewed. It is a handy tool for those who are working with scanned content regularly, allowing them to try to repair a file instead of striving to find the original document.

Requirements

System requirements

Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7

Verdict

Should you download Auto Straightener?

Auto Straightener runs on Windows 10/11 and is available under the Freeware license — the installer is 11.9 MB. We’ve catalogued it under System.

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At a glance

Auto Straightener specifications

Category
System
Publisher
SABSoft
Last updated
Apr 22, 2026
Requirements
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7
License
Freeware
Operating system
Windows 10/11
File size
11.9 MB
Price
Free
Page views
673

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