Tinkerfont

Inspect and swap fonts on live sites in seconds—no code required.

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Added Jul 2026

mighil.com

Dev Chrome ExtFreedev-chrome-ext

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What is Tinkerfont?

Tinkerfont is a browser extension that lets you inspect, swap, and test fonts on live websites instantly without touching code or design files. Right-click any text to see font specs, scan the entire page for all fonts in use, and try 1,900+ alternatives from Bunny Fonts or upload your own. Perfect for designers and developers who want to see how typefaces perform across real content and layouts before committing to changes.

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Key Features of Tinkerfont

Right-click font inspector for specs (family, color, contrast)
Scan DOM to list all fonts in use with counts
Swap with 1,900+ fonts from Bunny Fonts or custom uploads
Scope changes to specific page elements
Save rules per hostname for persistent testing
Share setups with teammates via link or JSON export
Works without DevTools, deploy, or account

Who Should Use Tinkerfont?

Test alternative typefaces on staging sites before stylesheet changes

Inspect and compare fonts across live websites

Experiment with typography on responsive layouts and breakpoints

Validate font performance across real content for design reviews

Share font decisions and setups with remote design teams

Tinkerfont: Pros & Cons

✓Pros

No account or authentication required
Free forever
Works on sites with strict font policies
Settings persist across visits per hostname
Settings transfer between browsers via JSON export
No data collection—local storage only
Instant visual feedback on live content

Frequently Asked Questions about Tinkerfont

How do I inspect fonts with Tinkerfont?

Right-click on any text element and select Tinkerfont from the context menu to see font specs including family, color, and contrast. Click any value to copy it.

How many fonts can I try?

Tinkerfont provides access to 1,900+ fonts from Bunny Fonts, plus you can upload your own custom font files.

Can I save my font changes?

Yes, rules stick per site—your settings persist across visits to the same hostname so you can revisit with the same swaps in place.

Can I share my font setup with teammates?

Yes, Tinkerfont lets you share a link with your rules and scoped areas. Teammates can paste the link in Tinkerfont or download JSON from tinkerfont.com/go.

Which browsers does Tinkerfont support?

Tinkerfont is available for Chrome and Firefox.