Privacy-first desktop app · Local document checks
Check documents before you share them.
Check DOCX, XLSX and PPTX files locally for format-specific issues such as comments, unaccepted tracked changes, hidden sheets or slides, speaker notes, links, paths and selected metadata.
Read-only checks · No document uploads
Synthetic demo files and example results.
What Fylert checks
A focused document check before your files leave your machine.
- Comments & notes: Comments and review notes in supported files.
- Tracked changes: Unaccepted tracked changes and the change-tracking setting in DOCX files.
- Hidden sheets & slides: Hidden worksheets in XLSX files and hidden slides in PPTX files.
- External links: External hyperlinks and linked resources in supported file types.
- Local paths: Local or network paths in supported file types that may reveal internal locations.
- Selected metadata: Selected embedded properties such as author or company, depending on file type.
Three steps before you send.
Document checks run locally — a quick check on your machine.
- Choose a folder: DOCX · XLSX · PPTX
- Fylert scans locally: Document contents are not uploaded.
- Review risks before sending: Confirm before you deliver.
Fylert checks documents on your computer without uploading their contents.
The current Beta uses bundled version data. Announcements, feedback you submit, Usage Metrics and Product Analytics may use online services under the choices described in the Privacy page.
- Local checks: Document checks run locally.
- No content upload: Document contents are not uploaded for scanning.
- Private workflow: Review risks before sharing externally.