This userscript adds a custom sidebar to Google Search and requires a userscript manager such as Tampermonkey or Violentmonkey.

greasyfork.org/en/scripts/535629
Custom Sidebar homepage screenshot

About Custom Sidebar

Custom Sidebar is a userscript that adds a customizable sidebar and horizontal toolbar to Google Search. It offers one-click search filters for language, country, time range, file type, site, and keyword location, along with saved filter presets and theme settings. It runs only on google.com and requires a userscript manager such as Tampermonkey or Violentmonkey. The script is distributed through Greasy Fork, and the author warns against a Chrome Web Store extension published under the same name, which the author describes as an unauthorized repackaged version.

Key features

  • One-click filters for language, country, time range, file type, and site
  • Keyword location filters for title, body text, or URL
  • Active Filters display with chips that can be clicked to remove a filter
  • Saved filter presets labeled automatically from their parameters
  • Sidebar or horizontal toolbar layout, switchable in settings
  • Shortcuts to Google Advanced Search, Scholar, Trends, and Dataset Search
Best for: People who regularly run filtered Google searches and already use a userscript manager such as Tampermonkey or Violentmonkey.
Good for
  • Saved presets let users reuse multi-criteria filter combinations
  • Sidebar and toolbar layouts can be switched to suit screen size
  • Official release is listed on Greasy Fork, with a stated warning about an unofficial copy
Watch out for
  • Requires a separate userscript manager extension to install
  • Works only on Google Search at google.com
  • A Chrome Web Store extension with the same name is described by the author as unauthorized and possibly injecting ads

Custom Sidebar at a glance

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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Custom Sidebar FAQ

What do I need in order to install this script?
You need a userscript manager extension such as Tampermonkey, Greasemonkey, Violentmonkey, or Userscripts, depending on the install prompt shown.
Is there a Chrome Web Store version I should install?
The author states the script is officially released only on Greasy Fork. The author advises against installing a Chrome Web Store extension published under the same name, which is described as an unauthorized repackaged distribution.
Can I save filter combinations for later use?
Yes. The My Filters feature saves frequently used multi-criteria filter combinations as one-click presets that can be managed in the interface.
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