Blur Info
Install the Fast.com Info Blur userscript from Greasy Fork to blur information on the speed test page.
About Blur Info
Blur Info is a userscript for Fast.com, the internet speed test site. It automatically blurs what the author describes as sensitive personal information on the Fast.com page, and the blurred content becomes readable again when the cursor hovers over it. The listing is for a userscript, so it must be installed through a user script manager extension such as Tampermonkey, Violentmonkey, Greasemonkey, or Userscripts. The script applies only to fast.com. The listing does not say which specific information is blurred, so users should check the script's behavior on the page themselves rather than assume every personal detail is covered.
Key features
- Automatically blurs sensitive personal information on Fast.com
- Unblurs blurred content when the cursor hovers over it
- Applies only to the fast.com domain
- Installs as a userscript through a user script manager
- Distributed under the MIT license
Best for: People who run speed tests on Fast.com and want personal details hidden on screen, provided they already use a user script manager.
Good for
- Blurring happens automatically on the page without manual steps
- Hover-to-reveal lets the user view blurred content when needed
Watch out for
- Requires a user script manager extension such as Tampermonkey or Violentmonkey
- Works only on fast.com
Blur Info at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Greasy Fork is an open-source online repository and platform for discovering, installing, and publishing user scripts and user styles.
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Blur Info FAQ
Do I need anything installed before I can use this script?
Yes. The listing says you need a user script manager extension, such as Tampermonkey, Greasemonkey, Violentmonkey, or Userscripts, to install the script.
Which website does the script work on?
The listing says it applies to fast.com only.
Is something wrong or out of date?
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