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SECURITY REPORT · EXTENSHI SCAN

DeepL: AI translator and writing assistant

Firefox extension·by DeepL
81
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

DeepL: AI translator and writing assistant's safety score vs every other extension we've scanned
Globally
81.19%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
71.19%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
61
median 38Lower is safer
Risky permissions
6
median 1Critical + high perms
Total permissions
11
median 4All declared perms
Critical findings
0
median 2Severity = Critical

Findings breakdown

Automated security signal · 61 distinct issues across 6 severities
61
distinct issues
detected

Permissions requested

6 risky permissions of 11 total
2 critical permissions require attention
This extension requests 11 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

Critical
Access to all websites(optional)

Can read and modify content on every website you visit

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Access user identity

Can get OAuth2 tokens and access your Google account identity

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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