📖
Optimize Open Sans
Quick-start guide for optimal results
93%
Size Reduction
200KB
Before
14KB
After
-380ms
LCP Improvement
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2
Upload & Configure
Drop the .ttf file below. Sift will auto-detect the 2 variable axes.
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Recommended Settings
Subset: Latin (covers English, most European languages)
Weight: Keep 300-800 range (or instance to specific weights)
Format: WOFF2 (30% smaller than WOFF)
💡 Great for body text
Open Sans excels at body copy due to its high x-height and open letterforms.
Upload Open Sans
Reduce file size by up to 94%. Instance axes, subset glyphs, export WOFF2.
100% client-side — your fonts never leave your browser.
Drag & drop your font here
or click to browse
ttfotfwoff2
Max file size: 5MB