Design Compare — free pixel-perfect checker, design vs build

No. Design Compare runs 100% in your browser — the PSD is parsed on your machine, the build runs and is captured locally, the comparison maths run locally and even the PDF report is generated locally. Nothing ever reaches our server, so it's safe for unreleased campaigns.

HTML5 ads: a layered PSD storyboard (parsed right in the browser) or a set of PNG / JPG / WebP reference frames, against the packaged HTML5 ad .zip. EDMs & landing pages: one full-length flattened design (PSD, PNG, JPG or WebP) against the coded build — a .zip with its images, or a self-contained HTML file.

Auto-match scans the ad's timeline and picks the moment that best matches each reference frame, with a match-confidence score. If a suggestion is off, refine it manually: scrub the playhead to the exact frame and confirm the capture — confirmed captures always win.

Per frame or section: a match score out of 100, the percentage of pixels outside your chosen tolerance, horizontal and vertical drift in pixels, and pass / review / fail verdicts. You inspect differences with side-by-side, overlay, blink and zoom views, a difference heatmap, and alignment guides that mark exactly how far an element moved — e.g. "3 px right".

CreateJS (Adobe Animate), GSAP, Web Animations API, CSS animations and video-based builds can all be scrubbed to the matched moment. A build with a fully custom animation runtime can't be seeked reliably — the tool tells you plainly instead of guessing.

No — and we say so in the tool. The EDM / landing check verifies visual fidelity of the HTML in a browser: spacing, colours, images, typography vs the approved design. Client-specific rendering (Outlook's quirks, Gmail clipping, dark mode) is a different job — run the build through Email QA for those checks.

A summary page — overall score, verdict, pass / review / fail counts, the files and settings used, and a per-section table — then one page per frame or section with the design and the build capture side by side, plus the difference heatmap and the alignment guide on anything that isn't a clean pass. It's generated in your browser and carries no branding, so you can send it straight to a client or dev team.

Yes — every view, ruler and finding is free: 2 comparisons a day with no signup, 5 a day with a free account (the built-in sample never counts). Downloading the PDF report or the side-by-side PNG needs a free account. PRO ($35/mo or $280/yr across all 38+ tools) removes the daily cap. Comparing an ad build against its spec limits instead? That's QA HTML5. Collecting human feedback rounds? That's Creative Review.

No — never. Use and preview every tool with no account. A free account downloads any single result at full size, with no daily limit. PRO adds Download all, every banner size, more share links and saving to your account. A few things keep a small free allowance: QA checks (2 a day with no account, 5 with a free one) and hosted share links (5 a month, 1 a day, live 3 days). PRO is a flat $35/month ($280/year) for unlimited use of all 38+ tools: no credit packs, no top-ups, no per-use fees. The only pay-per-use extras are optional AI work done for you, paid from the Digi Bot credit wallet: Digi Bot jobs, ✨ Ask AI in the tools, and AI drafts in Character Animation (PRO; a new account’s first draft is free) — Ask AI and AI drafts are charged for what the AI actually uses, at most 1 credit a request. Many comparable tools bill per credit (remove.bg, CloudConvert, AdCreative.ai) — here one flat subscription covers everything. See tools pricing.