Classroom Tools

Perspec – perspective correction of images

Perspec is a desktop app and command-line workflow for perspective correction of images.

It’s intended for tasks such as fixing whiteboard photos, document scans, and building facades by rectifying images and improving their readability.

This is free and open source software.

Key Features

  • Corrects perspective distortion in images.
  • Suitable for whiteboards, document scans, and facades.
  • Provides both a desktop app and CLI workflow.
  • Supports batch correction of multiple images.
  • Includes grayscale and black-and-white conversion options.
  • Cross-platform support – works on Linux and macOS.

Website: github.com/ad-si/Perspec
Support:
Developer: Adrian Sieber
License: GNU Affero General Public License v3.0

Perspec is written in Haskell. Learn Haskell with our recommended free books and free tutorials.


Related Software

Software
FotoKilofGUI for ImageMagick and Wand
SwitcherooFork of Upscaler to convert images instead of upscaling
PerspecPerspective correction of images
ConjureSimple GUI built on ImageMagick and Wand

Read our verdict in the software roundup.


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