Offline CV & PDF protection against hidden content

Scan CVs and job offers for hidden text, prompt injections and risky patterns before you paste anything into AI.

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Offline

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Privacy-first

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PDF + OCR

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Multiple languages

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Downloads require login
To download the app, log in with a supported account type.

download Basic

Free

Core scanning features for everyday HR workflows.

desktop_windows Download for Windows

Basic: v1.1.1 (ruleset 2026.03.04-01)

workspace_premium Pro

Premium

Advanced features and the most up-to-date version of rules.

About PRO

Supports PDF files in the following languages: Polish, English, German, French, Spanish, Italian, Portuguese, Russian, Ukrainian.

Reports available in TXT and HTML (easy to share internally and archive for compliance).

Available for companies with an active subscription.

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Multi-language OCR
Extracts text from scanned PDFs in supported languages.
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HTML + TXT reports
Readable reports for recruiters, plus plain text for quick logging.
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Regular ruleset updates
Security patterns evolve — PRO releases include updated detection rules.
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Beyond CVs
Scan job offers, contracts, policies, and other PDFs before feeding them into ATS/AI.
Qwerty CV Guard preview
HR-approved workflow: folder → scan → report.

About Qwerty CV Guard

A single manipulated PDF can distort screening results - especially when ATS/AI parses content recruiters never see.

Qwerty CV Guard performs local PDF security checks for hidden layers, invisible characters, and suspicious patterns, with optional OCR for scanned documents.

Offline by design: no Internet required and no document data is transmitted. Run it as a lightweight validation step before processing documents with ATS or AI.

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Hidden text detection
White-on-white, tiny font, off-page text.
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Prompt injection patterns
Suspicious instructions aimed at AI/ATS.
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Offline by design
No Internet required, no data leaves the device.
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Fast workflow
Pick folder → scan → get report.