FolderManifest is an offline Windows utility for creating detailed folder manifests, verifying file integrity, comparing folders, and finding duplicate files.
It scans folders recursively, records file metadata with SHA-256 and CRC32 checksums, and generates reports that can be verified later to detect added, missing, modified, or corrupted files.
FolderManifest is useful for backup verification, data migration checks, research data handover, audit documentation, and long-term folder integrity monitoring. Reports can be exported as interactive HTML, CSV, and Markdown.
Unlike visual diff tools, FolderManifest is focused on checksum-based verification, folder inventory, audit-ready reports, and detecting changes over time.
Free browser-based file tools — no account required, files processed in memory and never stored:
• Find duplicate files: https://foldermanifest.com/free-tools/find-duplicates
• Compare two files by checksum: https://foldermanifest.com/free-tools/compare-files
• Compare two folders recursively: https://foldermanifest.com/free-tools/folder-compare
• Checksum calculator (SHA-256, MD5, SHA-1, CRC32): https://foldermanifest.com/free-tools/checksum-calculator
• File metadata viewer: https://foldermanifest.com/free-tools/metadata-viewer
• Spreadsheet duplicate finder (CSV/Excel): https://foldermanifest.com/free-tools/spreadsheet-duplicate-finder