Is OneTab Safe? — Extension Safety Profile
Quick verdict: OneTab earns a safety grade A, 88.9 out of 100, based on 5 of 5 dimensions.
88.9/100
Grade A · 5 of 5 checks
What we found
Automated safety profile from public signals (the extension's manifest & permissions, store listing, publisher, privacy policy). A full review hasn't been published yet.
What this safety grade means
OneTab earns a safety grade of A (88.9/100), measured across 5 of 5 dimensions. Its strongest area is Community Reputation (100%). The weakest is Publisher & Identity (60%) — what holds its grade back the most.
On the public records we can check, OneTab comes through cleanly. 2,000,000 active users/installs reported on the store. Store rating 4.4/5 from 14,600 user ratings. Last updated on the store 2026-09-21. This is an automated profile, not a hands-on review — so treat the grade as a starting point: open OneTab's own store listing and privacy policy before installing, and weigh it against the other browser extensions we track below.
Safety Signals
Based on 5 of 5 safety dimensions
| Dimension | Score | Bar | Source |
|---|---|---|---|
| Publisher & Identity | 60% · 4.8/8 pts 2 of 5 checks verified | Automated signals | |
| Permissions & Access | 83% · 20.8/25 pts 3 of 3 checks verified | Automated signals | |
| Data & Privacy | 100% · 16/16 pts 4 of 5 checks verified | Automated signals | |
| Maintenance & Ownership | 100% · 7.5/7.5 pts 1 of 2 checks verified | Automated signals | |
| Community Reputation | 100% · 10/10 pts 2 of 4 checks verified | Automated signals |
In-depth safety analysis
OneTab requests permissions typical for a tab management tool. The tabs, activeTab, and scripting permissions allow it to read the URLs of open tabs, move them into a list, and potentially modify page behavior when restoring tabs. unlimitedStorage and storage let it save large tab lists and settings locally. contextMenus enables a right-click option, while favicon is used to display site icons. Together, this access lets the extension see all of the websites you have open, which is standard for its category but means you should only install such tools from developers you trust.
Like other extensions that manage tabs, this one could theoretically access sensitive information shown in tab titles or URLs. A careful user should be aware that any tab manager with this level of access must be treated as highly privileged. OneTab’s developer states that data is not sold or used for unrelated purposes, which is consistent with its strong Data & Privacy score.
The fact sheet highlights Community Reputation as the strongest dimension, reflecting a large user base, high rating, and positive feedback over time. The weakest dimension is Publisher & Identity, suggesting the developer’s identity is less verified compared to major organizations. This combination is common for popular but independently published utilities, and the overall score remains high, with no red flags in permissions or privacy declarations.
AI-assisted analysis of the documented signals above (permissions, store data, privacy practices) — explains what they mean and the risks typical for this category. Not a hands-on test.
What the store listing shows
Who's Behind OneTab?
- Publisher OneTab Ltd
Public records identify the publisher, but no individual founders or a separate registered company are named — which is what holds the Publisher & Identity score back. Less public information about who operates an extension means less you can verify about their long-term accountability.
How it compares
Among the 838 browser extensions we track, OneTab scores higher on safety than 94% of them.
Computed from our own database of assessed browser extensions — updated as we track more.
Evidence on File (12)
OneTab FAQ
- Is OneTab safe?
- OneTab earns a safety grade of A (88.9/100) on our evidence-based assessment, based on 5 of 5 safety dimensions we could verify from public records. This is an automated profile built from public records, not a hands-on review.
- Who is behind OneTab?
- OneTab is operated by OneTab Ltd.
Browse all browser extensions we've checked →