What font does amplitude.com use?

The typeface on amplitude.com is IBM Plex Mono, Lato and cascadiaCode, loaded across 165 @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.

Primary font

IBM Plex Mono

Total weights

@font-face

165

Source

Custom web font

IBM Plex Mono

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (4)

400Typography sets the voice of a brand

500Typography sets the voice of a brand

600Typography sets the voice of a brand

700Typography sets the voice of a brand

CSS to use IBM Plex Mono

font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/faab88e4be272d29-s.3zhtymus0wdqb.woff2

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IBM Plex Mono

Open source

IBM

Free monospace member of the Plex family.

Get IBM Plex Mono from IBM

Free alternatives if you can't license IBM Plex Mono

JetBrains MonoGoogle Fonts

Free programmer-tuned alternative.

Open

Fira CodeGoogle Fonts

Similar weight with ligatures.

Open

Roboto MonoGoogle Fonts

Cleaner geometric alternative.

Open

Used by 4 selectors on the page

Lato

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (3)

400Typography sets the voice of a brand

700Typography sets the voice of a brand

900Typography sets the voice of a brand

CSS to use Lato

font-family: Lato, Georgia, 'Times New Roman', serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/8c28cc0ed5fcc31d-s.1yo2pz3g4u6be.woff2

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Lato

Open source

Łukasz Dziedzic

Free on Google Fonts under the SIL OFL.

Get Lato from Łukasz Dziedzic

Free alternatives if you can't license Lato

Nunito SansGoogle Fonts

Same friendly humanist character.

Open

Source Sans 3Google Fonts

Comparable proportions, slightly tighter.

Open

MulishGoogle Fonts

Free derivative inspired by Lato's structure.

Open

Used by 2 selectors on the page

cascadiaCode

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400 700Typography sets the voice of a brand

CSS to use cascadiaCode

font-family: cascadiaCode, ui-monospace, SFMono-Regular, monospace;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/cascadia_code_latin-s.p.1nqhyuoldt-41.woff2

Get this font

cascadiaCode

Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for cascadiaCode

Free alternatives if you can't license cascadiaCode

JetBrains MonoGoogle Fonts

Modern free mono tuned for code.

Open

IBM Plex MonoGoogle Fonts

Distinctive alternative with strong personality.

Open

Fira CodeGoogle Fonts

Mono with programmer ligatures.

Open

Used by 1 selector on the page

DM Mono

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (2)

400Typography sets the voice of a brand

500Typography sets the voice of a brand

CSS to use DM Mono

font-family: 'DM Mono', ui-monospace, SFMono-Regular, monospace;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/cb20b375a5739b57-s.2tuvx2ggl0uf7.woff2

Get this font

DM Mono

Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for DM Mono

Free alternatives if you can't license DM Mono

JetBrains MonoGoogle Fonts

Modern free mono tuned for code.

Open

IBM Plex MonoGoogle Fonts

Distinctive alternative with strong personality.

Open

Fira CodeGoogle Fonts

Mono with programmer ligatures.

Open

Used by 1 selector on the page

IBM Plex Sans

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (5)

300Typography sets the voice of a brand

400Typography sets the voice of a brand

500Typography sets the voice of a brand

600Typography sets the voice of a brand

700Typography sets the voice of a brand

CSS to use IBM Plex Sans

font-family: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/44ed10da57ebfb0e-s.2e4y-bhazgt_v.woff2

Get this font

IBM Plex Sans

Open source

IBM

Free IBM corporate typeface under the SIL OFL.

Get IBM Plex Sans from IBM

Free alternatives if you can't license IBM Plex Sans

InterGoogle Fonts

Neutral alternative without IBM's signature curves.

Open

Source Sans 3Google Fonts

Similar text quality.

Open

ManropeGoogle Fonts

Modern humanist alternative.

Open

Used by 1 selector on the page

IBM Plex Serif

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (3)

400Typography sets the voice of a brand

600Typography sets the voice of a brand

700Typography sets the voice of a brand

CSS to use IBM Plex Serif

font-family: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/a2f9acf157bb2097-s.0vt-60hmi2vin.woff2

Get this font

IBM Plex Serif

Open source

IBM

Free serif member of the Plex family.

Get IBM Plex Serif from IBM

Free alternatives if you can't license IBM Plex Serif

Source Serif 4Google Fonts

Similar contemporary body serif.

Open

LoraGoogle Fonts

Warmer alternative.

Open

Crimson ProGoogle Fonts

Old-style serif with similar warmth.

Open

Used by 1 selector on the page

Inter

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (4)

400Typography sets the voice of a brand

500Typography sets the voice of a brand

600Typography sets the voice of a brand

700Typography sets the voice of a brand

CSS to use Inter

font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/46a9e2f250689b4a-s.03ez25a9g3i0n.woff2

Get this font

Inter

Open source

Rasmus Andersson

Free for any use under the SIL Open Font License.

Get Inter from Rasmus Andersson

Free alternatives if you can't license Inter

ManropeGoogle Fonts

Same neutral grotesque skeleton, slightly warmer terminals.

Open

DM SansGoogle Fonts

Closely matched x-height and aperture, a touch more geometric.

Open

GeistOpen source

Vercel's open-source grotesque, virtually interchangeable for product UI.

Used by 1 selector on the page

JetBrains Mono

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (2)

400Typography sets the voice of a brand

500Typography sets the voice of a brand

CSS to use JetBrains Mono

font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/c64053b510252f55-s.1zakzi6q17d4o.woff2

Get this font

JetBrains Mono

Open source

JetBrains

Free for any use under the SIL OFL.

Get JetBrains Mono from JetBrains

Free alternatives if you can't license JetBrains Mono

IBM Plex MonoGoogle Fonts

More distinctive alternative.

Open

Fira CodeGoogle Fonts

Similar ligature-rich sibling.

Open

Geist MonoOpen source

Tighter alternative for product UI.

Used by 1 selector on the page

Source Serif 4

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (2)

400Typography sets the voice of a brand

700Typography sets the voice of a brand

CSS to use Source Serif 4

font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/6481e8356700f25f-s.2_7u3qf8hb00l.woff2

Get this font

Source Serif 4

Open source

Adobe

Free on Google Fonts under the SIL OFL.

Get Source Serif 4 from Adobe

Free alternatives if you can't license Source Serif 4

LoraGoogle Fonts

Warmer alternative, similar weight.

Open

MerriweatherGoogle Fonts

Heavier workhorse serif.

Open

Crimson ProGoogle Fonts

More classical Garamond feel.

Open

Used by 1 selector on the page

7c42b85337e0c4bb S.p.0xq4un9mlaiqb

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use 7c42b85337e0c4bb S.p.0xq4un9mlaiqb

font-family: '7c42b85337e0c4bb S.p.0xq4un9mlaiqb', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/7c42b85337e0c4bb-s.p.0xq4un9mlaiqb.woff2

Get this font

7c42b85337e0c4bb S.p.0xq4un9mlaiqb

Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for 7c42b85337e0c4bb S.p.0xq4un9mlaiqb

Free alternatives if you can't license 7c42b85337e0c4bb S.p.0xq4un9mlaiqb

InterGoogle Fonts

Safe, neutral free sans-serif that works in nearly any layout.

Open

ManropeGoogle Fonts

Slightly warmer humanist alternative.

Open

DM SansGoogle Fonts

Cleaner geometric sibling.

Open

Used by 0 selectors on the page

86fd170c8543a779 S.p.2 S53 223o24o

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use 86fd170c8543a779 S.p.2 S53 223o24o

font-family: '86fd170c8543a779 S.p.2 S53 223o24o', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/86fd170c8543a779-s.p.2_s53-223o24o.woff2

Get this font

86fd170c8543a779 S.p.2 S53 223o24o

Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for 86fd170c8543a779 S.p.2 S53 223o24o

Free alternatives if you can't license 86fd170c8543a779 S.p.2 S53 223o24o

InterGoogle Fonts

Safe, neutral free sans-serif that works in nearly any layout.

Open

ManropeGoogle Fonts

Slightly warmer humanist alternative.

Open

DM SansGoogle Fonts

Cleaner geometric sibling.

Open

Used by 0 selectors on the page

913cc93656f509d1 S.p.2s 2xm20rpc3j

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use 913cc93656f509d1 S.p.2s 2xm20rpc3j

font-family: '913cc93656f509d1 S.p.2s 2xm20rpc3j', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://amplitude.com/_next/static/immutable/media/913cc93656f509d1-s.p.2s_2xm20rpc3j.woff2

Get this font

913cc93656f509d1 S.p.2s 2xm20rpc3j

Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for 913cc93656f509d1 S.p.2s 2xm20rpc3j

Free alternatives if you can't license 913cc93656f509d1 S.p.2s 2xm20rpc3j

InterGoogle Fonts

Safe, neutral free sans-serif that works in nearly any layout.

Open

ManropeGoogle Fonts

Slightly warmer humanist alternative.

Open

DM SansGoogle Fonts

Cleaner geometric sibling.

Open

Used by 0 selectors on the page

How amplitude.com loads its fonts

Get Font Info inspected the homepage of amplitude.com and parsed 5 stylesheets totalling 473.2 KB. Inside those stylesheets we found 165 @font-face declarations — the rules a browser uses to download and register a custom typeface. The primary typefaces are served from custom web font, and 67 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.

Open live font inspector for amplitude.com

Frequently asked questions

What font does amplitude.com use?

amplitude.com uses IBM Plex Mono, Lato and cascadiaCode as its primary typefaces. These fonts are loaded from a self-hosted webfont and applied across 67 CSS rules on the homepage.

Where does amplitude.com load its fonts from?

amplitude.com loads its fonts from a self-hosted webfont. Get Font Info detected 165 @font-face declarations across 5 stylesheets on the live page.

What weights of IBM Plex Mono does amplitude.com use?

amplitude.com loads IBM Plex Mono in 7 weights: 300, 400, 400 700, 500, 600, 700, 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 isn't a fit (licensing, weight selection, look-and-feel), close alternatives include JetBrains Mono, Fira Code and Roboto Mono. 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.

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About this page

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.

More guides: find a font used on a website, identify fonts from a website, what typeface is this website using, or font checker.