Manual visual QA for web teams

Catch layout changes before your clients do.

Compare the page you expected with the page you shipped. SnapDiff highlights pixel differences so you can mark the issue and send clear evidence to your team.

See SnapDiff in action

Yes, it’s free. Every feature included. Screenshots stay in your browser. No account.

See SnapDiff in action

Clear feedback starts with the right capture.

Capture the detail, compare the change, and give your team evidence they can act on. See each feature in the actual product.

Free

See exactly what changed.

Compare a reference and an update side by side. Switch to pixel Diff to find the changed details, even when image sizes differ.

Explore A/B comparison

Free

Mark the issue. Share the evidence.

Point to the detail with an arrow, rectangle, or note. Copy the annotated image or export PNG, JPEG, WebP, or A4 PDF for your review thread.

Explore annotations and exports

Free

Capture just what matters.

Draw a selection around the part of a page you want to review. Confirm the area and keep the surrounding clutter out of your capture.

Explore area capture

Free

Pick an element. Get a precise crop.

Use Select element in Area capture to choose a heading, card, or component. Select its parent when you need a little more context.

Explore element selection

Free

Capture beyond the viewport.

Follow a longer page as Full page capture scrolls. Use Stop and save when you have the portion you need, then review it locally.

Explore full-page capture

Free

Keep related captures together.

Collect two to five screenshots in one Multi comparison. Review related pages or sections side by side with their original dimensions. Multi is visual comparison.

Explore Multi comparison

Free · Chrome

Check a smaller viewport.

Choose a phone or tablet preset, or set your own viewport dimensions. Capture simulated layouts in Chrome and see how your page fits.

Explore viewport simulation

Free · Chrome

Review layouts in another language.

Capture a site's supported browser locales in Chrome. Review translated text and wrapping using the site's own localization; SnapDiff does not translate the page.

Explore language simulation

Free

Turn accessibility findings into next steps.

Review saved local axe findings alongside a capture and export a JSON report. These checks support manual accessibility review; they do not certify compliance.

Explore accessibility checks

Yes, it’s free

Every feature. No paid plan.

SnapDiff is free for personal and professional use. No checkout, subscription, or activation key. Browser support and capture safety limits still apply.

  • Unlimited capture, A/B and Multi comparison
  • Annotations and full-quality image and A4 PDF exports
  • Local axe accessibility checks
  • Clean exports, custom watermarks, and optional timestamps
  • Responsive and language simulation in Chrome
  • Local library with no account required

Screenshot comparison questions, answered.

Quick answers on features, privacy, and free access.

Explore the documentation

Yes. Every feature is free: capture and comparison, annotations, full-quality image and PDF exports, local axe accessibility checks, and watermark and timestamp controls. Chrome also includes responsive and language simulation. There is no paid plan, subscription, or activation key.

Make your next client review clear.

Capture the change, mark the issue, and export the evidence with unlimited Free workflows. No account or CI setup.