Filestack is a file upload API and content delivery network (CDN) that enables applications to handle, store, and distribute files.

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Companies

287

Top Country

US

Top Industry

Association

Adoption Insights

Filestack is used by 287 companies in our database, representing approximately 0.01% of all tracked websites. The most common industry using Filestack is Association, and adoption is strongest in US.

Top Countries Using Filestack

US217 companies
GB17 companies
CA12 companies
AU10 companies
ES5 companies
DE4 companies
TH4 companies
IT3 companies
PL3 companies
IE2 companies

Top Industries Using Filestack

Association32 companies
Education29 companies
Consulting17 companies
Health Care14 companies
Communities10 companies
Non Profit10 companies
Automotive9 companies
Information Technology6 companies
E-Commerce5 companies
Construction5 companies

Companies Using Filestack

CompanyDomain
Persephone Biosciencespersephonebiosciences.com
Latelylately.ai
360insights360insights.com
Peroptyxperoptyx.com
AICPAaicpa-cima.com
CalendarHerocalendarhero.com
National Minority Supplier Development Councilnmsdc.org
Council for Adult and Experimental Learningcael.org
HipTravelerhiptraveler.com
Woffuwoffu.com

How We Detect Filestack

The Web Radar detects Filestack by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is Filestack?+

Filestack is a file upload API and content delivery network (CDN) that enables applications to handle, store, and distribute files.

How many companies use Filestack?+

287 companies in our database use Filestack, representing approximately 0.01% of all tracked websites.

What industries use Filestack the most?+

The top industries using Filestack are Association, Education, Consulting.

What countries use Filestack the most?+

The top countries using Filestack are US, GB, CA.

Is Filestack popular?+

Filestack is used by 287 companies, making it a notable CDN technology based on adoption across our tracked websites.

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Data last updated: June 2026