The typeface on amplitude.com is __IBM_Plex_Mono_b4c22e, __IBM_Plex_Sans_6d343d and __IBM_Plex_Serif_bddae2, loaded across 87 @font-face declarations. Every font family, weight and source on this page is read straight from the live CSS — no image guessing, no machine learning, just the rules the browser used.
Get Font Info inspected the homepage of amplitude.com and parsed 4 stylesheets totalling 268.2 KB. Inside those stylesheets we found 87 @font-face declarations — the rules a browser uses to download and register a custom typeface. The primary typefaces are served from mixed, and 46 CSS rules reference them across the page.
Check the font on a specific element
Open the live inspector and hover any text on amplitude.com to see the exact font, weight, size and line-height for that element.
amplitude.com uses __IBM_Plex_Mono_b4c22e, __IBM_Plex_Sans_6d343d and __IBM_Plex_Serif_bddae2 as its primary typefaces. These fonts are loaded from a self-hosted webfont and an unknown source and applied across 46 CSS rules on the homepage.
Where does amplitude.com load its fonts from?
amplitude.com loads its fonts from a self-hosted webfont and an unknown source. Get Font Info detected 87 @font-face declarations across 4 stylesheets on the live page.
What weights of __IBM_Plex_Mono_b4c22e does amplitude.com use?
amplitude.com loads __IBM_Plex_Mono_b4c22e in 8 weights: 100, 300, 400, 500, 600, 700, 800, 900. If you want to match the look, request the same weights from your font host so you only ship what's actually used.
Can I use the same font as amplitude.com on my website?
Yes — once you know the font name, you can load it from the same source. If __IBM_Plex_Mono_b4c22e isn't a fit (licensing, weight selection, look-and-feel), close alternatives include Inter, Manrope and DM Sans. Use the CSS snippet on this page as a starting point.
Is the font on amplitude.com free to use?
These fonts are self-hosted webfonts. They may be licensed commercially from a type foundry, custom-made for the brand, or freely available — you would need to identify the typeface and check its license at the foundry.
See fonts used by other sites
Compare the typography on amplitude.com with how other well-known sites load and use their fonts.
This page lists the fonts loaded by the homepage of amplitude.com. Get Font Info reads the live CSS — every @font-face rule, every font-family declaration — so you see the exact fonts the browser used, not an image-based guess.