DexBase · Look up and compare

Lists for looking up data and comparing options

Find one exact detail without opening scattered pages. Each list combines comparable fields, instant search and filters suited to the subject.

15 available lists

Files and formats

Files and formats40 items

Common file extensions

A quick reference for extensions used in documents, images, audio, video, code and archives.

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Finance and FX

International currency codes and symbols

Finance and FX46 items

ISO 4217 currency codes: symbols, territories and decimals

Look up currency codes such as USD, EUR and BRL, then understand why a code, a symbol and a displayed amount are different things.

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Geography and telecommunications

World map of international telephone calling-code zones

Geography and telecommunications248 items

Country calling codes and ISO codes

Find each country or territory’s international calling code alongside its ISO alpha-2, ISO alpha-3 and UN M49 identifiers.

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Graphics cards

Graphics cards41 items

NVIDIA GeForce GPUs

A chip-level reference for GeForce graphics cards. Amazon links search the exact GPU model in the U.S. storefront.

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Makeup

Foundation bottles and a range of skin-tone swatches on a clean beauty desk

Makeup77 items

Mary Kay foundations

A shade-first guide to Mary Kay's foundation range, with exact-product Amazon searches for U.S. listings.

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Networking and infrastructure

Networking and infrastructure28 items

Common TCP and UDP ports

HTTP 80, HTTPS 443, SSH 22, DNS 53 and other ports you meet every day.

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Processors

Processors44 items

AMD processors

A technical comparison of AMD desktop and workstation CPUs, with exact-model Amazon searches for the U.S. market.

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Science and chemistry

Science and chemistry118 items

Periodic table: 118 elements, symbols and atomic weights

Find elements from hydrogen to oganesson, then see what atomic number, symbols, categories and bracketed values mean.

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Science and measurement

Science and measurement35 items

SI units

Metre, kilogram, second, ampere and dozens of derived SI units.

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U.S. geography

U.S. geography51 items

U.S. states and capitals

Complete list of U.S. states and D.C. with capital, postal abbreviation and region.

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U.S. geography and time

U.S. geography and time12 items

U.S. time zones

Eastern, Central, Mountain, Pacific, Alaska and Hawaii time zones with system identifiers.

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U.S. telephony

Map-style panel of U.S. telephone area codes

U.S. telephony68 items

U.S. area codes

Major North American Numbering Plan area codes for the United States, with state and metro notes.

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Wealth and economy

Data illustration of the world’s largest fortunes in 2022 with gold bars and a globe

Wealth and economy101 items

100 richest people in the world in 2022

A historical snapshot of the largest fortunes in 2022, with search, country and industry filters, and estimates tied to the Forbes cutoff date.

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Web development

Web development30 items

HTTP status codes

From 200 OK to 503 Service Unavailable: what each status tells client and server.

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World geography

World geography245 items

World countries and capitals

Find each capital alongside ISO 2, region and independence flag on one row.

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