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jest-image-snapshot

API—OSS—FREE—DOCS2/5
JI5.0#23 of 26
—Web—Windows—Mac—Linux—Android—iOS

Ranked in Visual Regression Testing Software ·Free plan

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About

jest-image-snapshot is ranked #23 of 26 in visual regression testing software on Inferse. It runs on Self-hosted. There is a free plan.

Compared on visual regression testing software

Cross-browser capture
Nogithub.com
CI/CD integrations
Yesgithub.com
Approval workflow
Nogithub.com

Facts

Purpose
A Jest matcher for comparing images, commonly used for visual regression testing.github.com · 4 Oct 2026
Snapshots
It saves a baseline image on the first run and compares later test images against it.github.com · 4 Oct 2026
Update baselines
Jest’s `--updateSnapshot` or `-u` option updates stored image snapshots.github.com · 4 Oct 2026
Comparison methods
It supports pixel-by-pixel Pixelmatch comparison and structural similarity (SSIM) comparison, which the README describes as experimental.github.com · 4 Oct 2026
Thresholds
Users can set per-pixel sensitivity and an overall failure threshold measured in pixels or percent.github.com · 4 Oct 2026
Noise handling
A configurable Gaussian blur can help address noise from scaling images at different resolutions.github.com · 4 Oct 2026
Diff output
The matcher can create horizontal or vertical diff layouts and optionally print a base64 diff or an iTerm inline image to the console.github.com · 4 Oct 2026
Installation
The README gives `npm i --save-dev jest-image-snapshot` as the installation command.github.com · 4 Oct 2026
Jest compatibility
The README lists Jest versions 20 through 29 as a peer dependency and says versions below 20 are unsupported.github.com · 4 Oct 2026
Browser testing
The README shows using a browser screenshot as the image input in a visual test.github.com · 4 Oct 2026
CI image storage
The README provides an example reporter that uploads failed diff images to an AWS S3 bucket for ephemeral environments.github.com · 4 Oct 2026
TypeScript support
The README says the community-maintained DefinitelyTyped definitions may be outdated or inaccurate and are not officially supported by the maintainers.github.com · 4 Oct 2026
License
The project states that contributions are governed by the Apache License 2.0.github.com · 4 Oct 2026
Maker
American Express says it was founded in 1850 and is headquartered in New York.americanexpress.com · 4 Oct 2026

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