Discover the tech behind any website ✨
WebApp for bulk filters
lists, deep tech & more
Free tech stack checker
for every website you visit
Detect 25,000+ Technologies
Detect everything from Payment Processors, Javascript Libraries to to CMS, CDNs & more
and more added every day..
Here's what CheckStack will do for you
CheckStack is your comprehensive technology lookup tool & tech stack database, helping you uncover critical insights about the technologies shaping the digital landscape.
Sales
Professionals
- Identify hot leads with tech lookup
- Refine Pitches with insightful profiling
- Fast-Track Deals with real-time data
Marketing
Professionals
- Improve campaigns via audience profiling
- Tailor deeply relevant messages
- Improve conversions with precise data
Research
Teams
- Real-time tech trend monitoring
- Build solutions for current market demands
- Focused, data-driven insights
Data Analysts &
Scientists
- Utilize real-time tech data
- Analyze market trends in tech adoption
- Richer insights with detailed tech data
Cybersecurity
Professionals
- Monitor vendor tech for risk assessment
- Run tech usage compliance checks
- Enhance threat detection through proactive tech profiling
Business
Development Teams
- Growth strategies via data-driven insights
- Get notified on tech changes on URLs
- Fast-Track Deals with real-time data
Startups &
Entrepreneurs
- Capitalize on emerging tech trends
- Identify underserved niches
- Customize offerings using competitor tech insights
Investment
Analysts
- Spot lucrative investment areas
- Mitigate risks by studying market dynamics
- Leverage technology usage insights
Product
Managers
- Unveil market demands
- Undersand existing tech ecosystems
- Stay ahead with real-time tech monitoring
Tech Insight Powerhouse
Deep insights, easy integrations, and rapid results – all in one place
Identify Technology Use
Create custom lists
Monitor changes on sites
Data enrichment
Unlock Tech Secrets Today
Start your 3-day free trial now and get real-time tech insights faster than you can say “What’s their stack?”
Essential
Perfect for enthusiasts, freelancers & solopreneurs looking to explore technology insights and competitive analysis.
- Unlimited Single URL Search
- Unlimited Single URL Tech Export
- Bulk Search/Export
- Saved List
- Deep Tech
- Monitoring
Premium
Designed for sales professionals, marketers, and agencies needing comprehensive tech data to drive strategy.
- Everything in Essential
- Unlimited Bulk URL Search
- Unlimited Bulk Search
- Bulk Export 10 million URLs/month (10k per export)
- Deep Tech Access
- Email Support
- Saved Lists - 10
- Monitor URLs - 25
- Saved Searches - 10
Enterprise
Tailored for large enterprises and business development teams looking to dominate their market with deep tech insights
- Everything in Pro
- Unlimited Bulk Exports* (100k URLs at a time)
- Saved Lists - 100
- Monitor URLs - 100
- Priority Email Support
- Saved Searches - 50
They've loved it, so will you!
Trusted by Tech Enthusiasts Worldwide
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The customer support team is also top-notch, always available to answer any questions and resolve any issues in a timely manner.
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Manager - Gotech
The software has greatly streamlined my work processes and increased my productivity. I highly recommend this company to anyone.
CEO - Elegant
The features are cutting edge and have helped me streamline my workflow significantly. I highly recommend this company to anyone
Marketing - Zintra
I recently started using this SaaS company and I am thoroughly impressed with its functionality. The UI is intuitive and easy to navigate
Manager - Gotech
I recently started using the Geech SaaS company and I am thoroughly impressed with its user-friendly interface and robust features.
CEO - Starcraft
The software has greatly streamlined my work processes and increased my productivity. I highly recommend this company to anyone.
Manager - Uncify
The features are cutting edge and have helped me streamline my workflow significantly. I highly recommend this company to anyone
Marketing - Zintra
The customer support team is also top-notch, always available to answer any questions and resolve any issues in a timely manner.
Marketing - Squarey
The software has greatly streamlined my work processes and increased my productivity. I highly recommend this company to anyone.
CEO - Elegant
I recently started using the Geech SaaS company and I am thoroughly impressed with its user-friendly interface and robust features.