extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Tumblr Video Downloader → SaveTumblr

Chrome extension·by hoangtro789
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

Tumblr Video Downloader → SaveTumblr's safety score vs every other extension we've scanned
Globally
40%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 384,208 extensions
In Make Chrome Yours
38%of make chrome yours extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 23,629 make chrome yours extensions
Findings
7
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 2Declared in manifest
Active users
513
median 18vs category median

Findings breakdown

Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected

Permissions requested

2 risky permissions of 2 total
2 high-risk permissions require attention
This extension requests 2 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
View open tabs

Can see URLs and titles of all open tabs

Are you the author of Tumblr Video Downloader → SaveTumblr?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show Tumblr Video Downloader → SaveTumblr's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/264773)](https://catalog.extenshi.io/extensions/264773/security)
HTML
<a href="https://catalog.extenshi.io/extensions/264773/security"><img src="https://catalog.extenshi.io/api/badge/264773" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 13, 2026
Browser extensions made transparent.