SnapDiff helps teams review UI changes without CI setup. Capture viewport, full-page, or selected-area screenshots; compare A/B pixel differences, annotate findings, and export PNG, JPEG, WebP, or A4 PDF. Chrome adds responsive-device and locale simulation; Firefox supports core capture and comparison. Screenshots stay in your browser profile. Free workflows are unlimited; Pro adds local axe checks and watermark controls for a one-time $9.99 USD one-year license.