Local diagnostics, OCR and evidence-first AI

File Intelligence tools

Inspect what a file is, what it may expose, what can go wrong and what to verify next. Every tool publishes its formula, scope, failure cases, synthetic test results, sample files and downloadable reports.

9interactive tools
49synthetic release fixtures
0original files uploaded by default
1.0.0versioned engine
Start here · combined diagnosticFile Health CheckInspect file identity, structural health, metadata exposure, PDF text coverage, OCR need and safer next steps in one local report.Browser-only · JSON/CSV · 6/6 fixturesLocal privacy inventoryMetadata & Privacy InspectorFind supported EXIF, PNG text and PDF document properties before a file is published, emailed or handed to a client.Browser-only · JSON/CSV · 4/4 fixturesHeuristic preflight · not certificationPDF Accessibility CheckerCheck tags, document language, title, text coverage, outlines, form fields and link annotations before a deeper accessibility audit.Browser-only · JSON/CSV · 5/5 fixturesLocal OCR outputScanned PDF to Searchable PDFRender scanned pages, recognise supported Western-European text locally and add an invisible searchable text layer to a new PDF.Browser-only · JSON/CSV · 3/3 fixturesLocal pattern review · no automatic deletionSensitive Data FinderFind candidate email addresses, phone numbers, IBANs, payment-card numbers, Turkish identity numbers, IPs and URLs before sharing.Local baseline + optional AI · JSON/CSV · 7/7 fixturesEvidence-linked field extractionInvoice & Receipt to JSON/CSVExtract vendor, invoice number, date, subtotal, tax, total and currency from document text, then review every field against its source line.Local baseline + optional AI · JSON/CSV · 7/7 fixturesMeaning, paragraph and number changesSemantic Document CompareCompare two documents locally, align similar paragraphs, isolate additions/removals and list changed numeric tokens.Local baseline + optional AI · JSON/CSV · 5/5 fixturesEvidence-first Q&ADocument Assistant & Local SummarySummarise extracted document text and answer questions from ranked passages, with an optional server-side AI second opinion.Local baseline + optional AI · JSON/CSV · 4/4 fixturesEN 16931 on your deviceE-Invoice Reader & Rule CheckOpen a ZUGFeRD, Factur-X, XRechnung or Peppol BIS e-invoice, read the structured data it carries, and check it against the EN 16931 rules that catch real mistakes — without the invoice leaving your computer.Browser-only · JSON/CSV · 8/8 fixtures

Why these reports are different from a generic upload box

The tool is only one layer. Each page includes a reproducible sample, an example report, the exact scoring method, supported and unsupported cases, a confidence explanation, comparison table, anonymous synthetic dataset, accuracy change log and a dedicated “when this can be wrong” section. That makes the result inspectable and correctable.

Recommended workflow

  1. Start with File Health Check to verify identity, structure, metadata, OCR need and next actions.
  2. Use the specialist checker for privacy, accessibility, extraction or comparison.
  3. Download JSON/CSV evidence and verify high-severity findings in the source application.
  4. Use optional AI only as a second opinion after the deterministic local report.

Privacy boundary

All eight tools first run in your browser. Optional AI exists on selected pages and requires a separate click after the local result; only extracted text is sent. API credentials stay on the server and the request is configured not to be stored by the model provider.

See the raw release-fixture dataset, file privacy model and testing methodology.