Reproducible benchmarks
How promptShield compares to other PII detection tools
No marketing fluff. No hand-waving. We publish the script, the test documents, and the raw CSV output so you can verify everything yourself.
The 10 best offline anonymization tools in 2026
RankingTen desktop tools that remove personal data on your own machine, scored by the same published rules, ours included. Every fact links to its source.
See the rankingMicrosoft Presidio
AvailableOpen-source Python toolkit, started at Microsoft and now community-run. Excellent for developers; we extend the baseline with per-country checksums, entity post-filters, and a finished desktop experience.
See the comparisonAmazon Macie
AvailableAWS managed service for discovering sensitive data in S3. Discovery and classification, not redaction.
See the comparisonGoogle Cloud DLP
AvailableGoogle Cloud's de-identification API, with 200+ infoType detectors and reversible tokenization.
See the comparisonMicrosoft Purview
AvailableMicrosoft's data governance platform: classification, sensitivity labels and policy across Microsoft 365.
See the comparisonOur methodology commitment
Every comparison follows the same rules: competitor's default install, same PDFs, same text extraction, same metrics. If you spot a methodology issue, open an issue. We publish every correction.
- ✓48 invented documents in 8 languages (en, fr, de, es, it, nl, pt, pl), with every piece of personal data labelled word by word
- ✓Both systems read the same extracted text and are scored by the same published scorer
- ✓Competitor in default-install configuration, with no asymmetric tuning that would skew the comparison
- ✓Labels, raw outputs and scorer published, versions pinned, measurement dates stamped
Want to see promptShield compared to another tool? Get in touch or open an issue on GitHub.