Clipboard History Manager - Secure, Fast, and Open Source vs Hypothesis - Web & PDF Annotation: Which Is Safer?
At a glance: verified facts
| Fact | Clipboard History Manager - Secure, Fast, and Open Source | Hypothesis - Web & PDF Annotation |
|---|---|---|
| Published by | clipboardhistory.io | Annotation Unlimited PBC |
| Publisher public | Yes | Yes |
| Policy changes we track | None detected | None detected |
| Last data check | 2026-06-23 | 2026-06-20 |
From public records (the extension's store listing, publisher registry, manifest metadata) and our policy snapshots — a "—" means we have no verified data for that field yet.
What the evidence shows
Both are productivity extensions we track. Comparing the 5 safety dimensions measured for both:
- On publisher & identity, the two are evenly matched (60% vs 60%).
- Clipboard History Manager - Secure, Fast, and Open Source leads on permissions & access (83% vs 58%).
- Clipboard History Manager - Secure, Fast, and Open Source leads on data & privacy (93% vs 85%).
- On maintenance & ownership, the two are evenly matched (100% vs 100%).
- On community reputation, the two are evenly matched (83% vs 84%).
Safety score breakdown
| Dimension | Clipboard History Manager - Secure, Fast, and Open Source | Hypothesis - Web & PDF Annotation |
|---|---|---|
| Publisher & Identity | 4.8/8 | 4.8/8 |
| Permissions & Access | 20.83/25 | 14.58/25 |
| Data & Privacy | 14.8/16 | 13.6/16 |
| Maintenance & Ownership | 7.5/7.5 | 7.5/7.5 |
| Community Reputation | 8.25/10 | 8.4/10 |
| Total | 84.48/100 | 73.5/100 |
Frequently asked questions
Is Clipboard History Manager - Secure, Fast, and Open Source safer than Hypothesis - Web & PDF Annotation?
Clipboard History Manager - Secure, Fast, and Open Source currently scores higher — 84/100 vs 74/100 — across the 5 safety dimensions measured for both. That covers documented evidence only, not features or pricing.
Is Clipboard History Manager - Secure, Fast, and Open Source safe?
Clipboard History Manager - Secure, Fast, and Open Source currently holds safety grade A (84/100) based on 5 of 5 safety dimensions, and is published by clipboardhistory.io. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
Is Hypothesis - Web & PDF Annotation safe?
Hypothesis - Web & PDF Annotation currently holds safety grade B (74/100) based on 5 of 5 safety dimensions, and is published by Annotation Unlimited PBC. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
More Productivity extension comparisons
How this comparison works
Both extensions are scored with the same five-dimension, 100-point rubric — publisher & identity, permissions & access, data & privacy, maintenance & ownership and community reputation — using documented evidence only; a dimension with no evidence stays unscored instead of guessed. Read the full reports: Clipboard History Manager - Secure, Fast, and Open Source safety report · Hypothesis - Web & PDF Annotation safety report, or run any other extension through the safety check.