# PDF Visual Regression

## Docs

- [Contributing](https://mintlify.wiki/DilwoarH/pdf-visual-regression/development/contributing.md): Learn how to contribute to the PDF visual diff tool and understand the codebase structure
- [How it works](https://mintlify.wiki/DilwoarH/pdf-visual-regression/development/how-it-works.md): Learn about the algorithm and libraries powering PDF visual regression testing
- [Testing](https://mintlify.wiki/DilwoarH/pdf-visual-regression/development/testing.md): Understand the test suite structure and how to run tests for the PDF visual diff tool
- [Advanced scenarios](https://mintlify.wiki/DilwoarH/pdf-visual-regression/examples/advanced-scenarios.md): Handle edge cases including page count mismatches, size differences, and threshold tuning
- [Basic examples](https://mintlify.wiki/DilwoarH/pdf-visual-regression/examples/basic-examples.md): Simple PDF comparison scenarios to get started with visual regression testing
- [Interpreting results](https://mintlify.wiki/DilwoarH/pdf-visual-regression/examples/interpreting-results.md): Understand the results.json structure, diff image visualization, and SSIM scores
- [Installation](https://mintlify.wiki/DilwoarH/pdf-visual-regression/installation.md): Install the PDF visual regression testing tool and verify your setup
- [Introduction](https://mintlify.wiki/DilwoarH/pdf-visual-regression/introduction.md): Learn about the PDF visual regression testing CLI tool and how it helps you detect visual differences between PDF files
- [Quickstart](https://mintlify.wiki/DilwoarH/pdf-visual-regression/quickstart.md): Get started with your first PDF visual regression test in minutes
- [Basic comparison](https://mintlify.wiki/DilwoarH/pdf-visual-regression/usage/basic-comparison.md): Learn how to perform basic PDF visual comparisons with pdf-visual-diff
- [Command reference](https://mintlify.wiki/DilwoarH/pdf-visual-regression/usage/command-reference.md): Complete reference for all pdf-visual-diff command-line arguments
- [Configuration options](https://mintlify.wiki/DilwoarH/pdf-visual-regression/usage/configuration-options.md): Detailed guide to configuring pdf-visual-diff threshold and output settings
- [Output formats](https://mintlify.wiki/DilwoarH/pdf-visual-regression/usage/output-formats.md): Understanding the diff images and JSON reports generated by pdf-visual-diff