The fastest way to inspect, replace, and test new fonts on live websites.
Users
568
+36 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#41K
#34K among extensions
Version
1.1.0
updated 10 Jul 2026
Users
monthly, 4 months
Latest, 15 Oct 2026:568 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Tinkerfont
Tinkerfont helps you inspect the fonts currently in use, replace them with fonts from Bunny Fonts or your own uploads, and see the result instantly on live content, real layouts, and actual breakpoints. Perfect for designers, front-end engineers, and tinkerers evaluating typography in context.
Features:
✔️ Right-click font inspector to detect fonts used on the current page
✔️ Replace individual fonts or all fonts at once
✔️ Scope changes to specific areas of a page
✔️ Browse 1959 fonts from Bunny Fonts, with preview links on Bunny
✔️ Upload and test custom font files (.woff2, .woff, .ttf, .otf)
✔️ Save rules per website hostname
✔️ Share and paste site settings via tinkerfont.com/go
✔️ Copy CSS snippets from active rules for dev handoff
✔️ Import and export settings between browsers
✔️ Works on many CSP-restricted sites via inlined fonts
✔️ Automatically re-applies changes on SPAs and dynamic pages
✔️ Light and dark mode support
✔️ Copy font file URLs (experimental)
Common uses:
✔️ Inspect and copy font specs from any site without DevTools
✔️ Test brand fonts on staging or production sites
✔️ Share a font setup with teammates via link or JSON
✔️ Evaluate typography on real dashboards, tables, forms, and content
✔️ Improve readability on websites you visit regularly
Get started guide:
✔️ https://tinkerfont.com/get-started
No DevTools. No temporary CSS edits. No mockups.
Just typography experimentation on the live web.
♻️ Version History
1.1.0 — Share and paste site settings via tinkerfont.com/go. Copy CSS from active rules. Bunny font preview links. Full font catalog in search. Clipboard copy for font file URLs. Improved copy flow in the panel on strict sites.
1.0.2 — Custom tab UX: display name and save appear after choosing a file; cleaner saved-fonts list layout. Updated Bunny Fonts catalog. Reduced the size of package.
1.0.1 — Right-click inspector fixes: reliable copy, improved font file detection, clearer menu labels.
1.0.0 — Launch.
Growth
Window
Users
Change
Ratings
Rating
7 days
−10
−1.7%
0
0.00
30 days
+36
+6.8%
0
0.00
Chrome Web Store search rankings
Where Tinkerfont appears when people search the store, with the 30 day change