Test forms with realistic mock data in one click
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Top upvoted of the last 30 days
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form builder, AI form builder, no-code forms, survey builder,
MockFill is a Chrome extension that auto-fills forms with realistic test data in one click. Built for developers, QA teams, and designers who need fast, private, and accurate test data for form testing. It generates context-aware data like real names, valid emails, proper phone formats, and addresses — all 100% locally in your browser. No external API calls, no data collection. Works on localhost, staging, and any website. Supports custom rules, keyboard shortcuts, and domain-level controls. Save 20+ hours per month on repetitive form testing.
