Filemock – Free Browser-Based Mock File Generator for Testing
Posted4 months ago
filemock.comTechstory
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Browser-Based Tools
FileMock is a free browser-based mock file generator for testing, praised for its client-side generation and instant file creation.
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Sep 9, 2025 at 4:02 PM EDT
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Key features: - No server uploads (everything stays local) - Generated files are fully functional (videos play, PDFs have text, etc.) - Instant generation for fast dev cycles - Multiple formats supported - Completely free
Perfect for CI/CD pipelines, QA testing, and development workflows where you need reliable test data quickly.
Built this after getting frustrated with downloading random files or creating empty placeholders that don't behave like real files.
Would love feedback from the HN community!