Websites using Base64

Development Utilities Developer Tools Visit website

Base64.js is a polyfill that provides window.btoa and window.atob functionalities for browsers lacking native support, enhancing compatibility for encoding and decoding Base64.

Download all 98K sites

Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month

Live websites detected: 98,015
Countries with usage: 167
Top market: United States: 🇺🇸 45.3%

Base64 global heatmap

darker = more sites

Base64 usage by country

by sites detected

01 🇺🇸 United States 43,459 45.3%
02 🇨🇳 China 13,058 13.6%
03 🇭🇰 Hong Kong 6,655 6.9%
04 🇨🇦 Canada 3,551 3.7%
05 🇸🇬 Singapore 3,152 3.3%
06 🇩🇪 Germany 3,031 3.2%
07 🇰🇷 South Korea 2,816 2.9%
08 🇮🇹 Italy 2,784 2.9%
09 🇫🇷 France 1,874 2%
10 🇬🇧 United Kingdom 1,637 1.7%

And 157 more countries in the full dataset.

Need every Base64 site in one market? Unlock Base64 once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.

Start from $39/mo

Base64 usage by country group

by sites detected

01 English-Speaking Countries 38 countries 53,606 55.9%
02 North America 3 countries 47,011 49%
03 Asia-Pacific (APAC) 28 countries 28,536 29.7%
04 East Asia 6 countries 23,050 24%
05 Greater China 3 countries 19,836 20.7%
06 Europe 50 countries 18,343 19.1%
07 BRICS 10 countries 15,434 16.1%
08 European Union (EU) 27 countries 15,384 16%
09 Western Europe 23 countries 14,236 14.8%
10 Eastern Europe 23 countries 4,102 4.3%

Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 95,928 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.

Top websites using Base64

by popularity

#	Website	Popularity	Country	TLD
01	tsinghua.edu.cn	3,172	🇨🇳 China	cn
02	emol.com	6,427	🇨🇱 Chile	com
03	xvlivecams.com	8,808	🇺🇸 United States	com
04	xnxx-livecams.com	9,116	🇺🇸 United States	com
05	wkj18.com	9,563	🇺🇸 United States	com
06	ustc.edu.cn	11,927	🇨🇳 China	cn
07	neu.edu.cn	13,074	🇨🇳 China	cn
08	3cat.cat	14,100	🇪🇸 Spain	cat
09	whu.edu.cn	15,763	🇨🇳 China	cn
10	povar.ru	16,757	🇷🇺 Russia	ru
11	nju.edu.cn	17,526	🇨🇳 China	cn
12	blueletterbible.org	19,969	🇺🇸 United States	org
13	venngage.com	20,112	🇨🇦 Canada	com
14	nubia.com	22,097	🇨🇳 China	com
15	amcrestview.com	25,207	🇺🇸 United States	com
16	yosmart.com	25,617	🇺🇸 United States	com
17	fujian.gov.cn	25,848	🇨🇳 China	cn
18	hust.edu.cn	26,222	🇨🇳 China	cn
19	tongji.edu.cn	26,460	🇨🇳 China	cn
20	uvtechgroup.net	27,823	🇭🇰 Hong Kong	net

This is 20 of 98,015 websites. Download up to 1M sites per list as CSV, enriched with firmographics.

Download the full list

Companies using Base64

sample, enriched

Company	Website	Employees	Industry	Country	Founded
Klein Transportation	kleintransportation.com	51-200	Transportation/trucking/railroad	🇺🇸 United States	-
First Guaranty Healthcare Ltd	fghltd.com	11-50	Hospital & Health Care	🇳🇬 Nigeria	2015
Vitaly International	vitaly-international.com	1-10	Furniture	🇭🇰 Hong Kong	2013
Porto De São Francisco Do Sul	portosaofrancisco.com.br	201-500	Logistics And Supply Chain	🇧🇷 Brazil	1955
Fujian Big Data Private Equity Fund Management Co., Ltd.	fujian.gov.cn	5001-10000	Financial Services	🇨🇳 China	2022
Northwestern Polytechnical University - Taicang	nwpu.edu.cn	1001-5000	Higher Education	🇨🇳 China	1938
Policedencias Contractors Sa	policedencias.com	501-1000	Outsourcing/offshoring	🇵🇹 Portugal	-
The Cozy Shop	thecozyshop.com	-	-	🇺🇳 -	-
Wuhan University	whu.edu.cn	10001+	Higher Education	🇨🇳 China	1893
Grupo Tekax	grupotekax.com	51-200	Building Materials	🇺🇳 -	-
Instituto De Telecomunicações	it.pt	501-1000	Research	🇩🇪 Germany	1992
Qihe Biotech	qiheshengwu.com	1001-5000	Food Production	🇨🇳 China	2000
云南锡业股份有限公司	ytl.com.cn	10001+	Wholesale	🇨🇳 China	-
Algabrew	algabrew.com	1-10	Health, Wellness And Fitness	🇮🇳 India	2019
Freyssinet	freyssinet.com	5001-10000	Civil Engineering	🇫🇷 France	1943
Sign Your Car	foliigalati.ro	-	-	🇺🇳 -	2008
Zhongshan Konig Sanitary Ware Co.,ltd	konigvip.com	201-500	Building Materials	🇨🇳 China	2003
Rm-fittings	rm-fittings.de	11-50	Food & Beverages	🇩🇪 Germany	-
山东省源通机械股份有限公司	ytmachinery.net	501-1000	-	🇨🇳 China	-
Plymouth Paws	plymouthpaws.co.uk	1-10	-	🇬🇧 United Kingdom	-
Hunan University	hnu.edu.cn	5001-10000	Education Management	🇨🇳 China	-
Hefei University Of Technology	hfut.edu.cn	10001+	Higher Education	🇨🇳 China	1945
Halytus	halytus.com	-	-	🇺🇳 -	-
Patchv3	patchv3.com	51-200	Health, Wellness And Fitness	🇺🇳 -	-
Emeline	hotelemeline.com	201-500	Hospitality	🇺🇸 United States	2020
Parvati Magazine	parvatimagazine.com	11-50	Newspapers	🇨🇦 Canada	2011
Greiner Bio-one Americas	gboetrack.com	1001-5000	Medical Devices	🇺🇸 United States	1868
China University Of Mining And Technology	cumt.edu.cn	1001-5000	Education Management	🇨🇳 China	1909
Groupe Maco Inc.	groupemaco.com	201-500	-	🇨🇦 Canada	2007
Weiken ( Hui Zhou ) Printed Circuit Board Industrial Ltd	hzweiken.com	501-1000	Electrical/electronic Manufacturing	🇨🇳 China	1978
State Key Laboratory Of Marine Resource Utilization In South China Sea	hainanu.edu.cn	10001+	Research	🇺🇳 -	-
Abric Colección	abric.com.mx	11-50	Furniture	🇺🇳 -	1987
Dotom Sapphire	dotomsapphire.com	-	-	🇺🇳 -	-
烟台鑫汇包装有限公司	ytxinhui.com	1-10	Plastics	🇨🇳 China	-
Jero	jwsemicon.com	51-200	Semiconductors	🇺🇳 -	-
K2 Group India	k2groupindia.com	5001-10000	Venture Capital & Private Equity	🇮🇳 India	-
Hotel Cabaña Del Lago	hotelcabanadellago.cl	51-200	Hospitality	🇨🇱 Chile	1980
Dongguan Liesheng Electronic Co., Ltd.	haylou.com	201-500	Consumer Electronics	🇨🇳 China	2015
Jilin University	jlu.edu.cn	5001-10000	Higher Education	🇨🇳 China	-
Guangdong Pharmaceutical University	gdpu.edu.cn	10001+	Higher Education	🇨🇳 China	-

A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.

Base64 usage by industry

by TLD segment

01 Retail 489 11.7%
02 Hospitality 416 10%
03 Information Technology And Services 345 8.3%
04 Construction 293 7%
05 Marketing And Advertising 239 5.7%
06 Apparel & Fashion 227 5.4%
07 Management Consulting 213 5.1%
08 Computer Software 200 4.8%
09 Health, Wellness And Fitness 182 4.4%
10 Higher Education 167 4%

Base64 industry distribution chart

share by domain segment

Put it to work

What teams do with the Base64 list

Sales outreach

All 98,015 of these sites already run Base64, with the retail segment leading at 489 sites. Pitch the products and services that fit that exact stack.

Competitor analysis

Selling Require I18N, Sentry, or another Developer Tools product? These 98K Base64 users are your displacement audience, filterable by country and company size.

Market research

Base64 adoption concentrates in United States (45.3%), China (13.6%), and Hong Kong (6.9%). Size the Developer Tools market by geography before you build or invest.

Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.

Request access

Turn 98,015 Base64 websites into your next campaign, audit, or dataset

Unlock Base64 and download unlimited filtered reports for a month: up to 1M sites per list, segmented by country, TLD, or stack, with up to 20 data points per site.

Get started from $39/mo How Tech Lookup works

No contracts, cancel anytime · Instant access after checkout · Data point availability varies by website and report