XKit adds enhancements to Tumblr’s web interface through a browser extension suite.
Filtering Plus
Filtering Plus lets users filter posts by tag or content through a browser extension’s right-click controls.

About Filtering Plus
Filtering Plus is a browser extension for Tumblr that adds tags and phrases to the account's tag and post content filtering lists. Users right-click a tag link or a selected phrase to add it to the relevant filter. It does not work on Tumblr's legacy-powered pages.
Key features
- Right-click a tag link to filter that tag
- Right-click a selected phrase to filter post content
- Writes to Tumblr account tag filtering list
- Writes to Tumblr account post content filtering list
- Adds filters directly from the right-click menu
- Covers both tag filters and post content filters
- Open source under GPL-3.0 license
- Filtering fails on Tumblr's legacy-powered pages
Filtering Plus at a glance
- Category
- Marketing & SEO › Social Media Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Filtering Plus FAQ
How do I add a tag or phrase to my filters?
Why does filtering fail on some Tumblr pages?
Where can I get help?
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