Best alternatives to SSL Checker (2026)
10 Chrome extensions that do a similar job to SSL Checker, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
SSL Checker today
SSL Checker alternatives, compared
- 1
SSL Checker
Use SSL Checker to check HTTPS certificates, verify SSL details, and monitor certificate expiration dates.
505 users5.0★ from 7 ratingsUpdated 4 months ago2 permissions- About 4.0× fewer users than SSL Checker
- Updated less recently
- Asks for fewer permissions (2 vs 3)
- Listed under Developer Tools
- 2
SSL Checker - cmlabs SEO Tools
Check whether the SSL (Secure Socket Layer) certificate on your web server is installed correctly and is valid. Try now!
407 users5.0★ from 3 ratingsNot updated for 2+ years4 permissions- About 4.9× fewer users than SSL Checker
- Updated less recently
- Asks for more permissions (4 vs 3)
- Listed under Developer Tools
- 3
SSL Checker by SSLHub.store
Swiftly diagnose, validate, and fix SSL issues for web security! Explore SSL Checker by SSLHub for rapid certificate analysis.
961 users5.0★ from 4 ratingsNot updated for 2+ years5 permissions- About 2.1× fewer users than SSL Checker
- Updated less recently
- Asks for more permissions (5 vs 3)
- 4
DNS Checker
Use a DNS Checker to check domain records and view A, MX, TXT, and NS data instantly in your browser.
208 users5.0★ from 11 ratings2 permissions- About 9.6× fewer users than SSL Checker
- Asks for fewer permissions (2 vs 3)
- Listed under Developer Tools
- 5
Framer Checker
Check if a website was made using Framer.com
≈3K users4.2★ from 5 ratingsUpdated 16 months ago3 permissions- About 1.5× more users than SSL Checker
- Updated less recently
- Listed under Developer Tools
- 6
Status Code Checker
A test (prototype) version of the extension which will give you statuses for urls based on our database.
304 users1.0★ from 2 ratingsNot updated for 3+ years1 permissions- About 6.6× fewer users than SSL Checker
- Updated less recently
- Asks for fewer permissions (1 vs 3)
- Listed under Workflow & Planning
- 7
LLMs.txt Checker
Check if websites implement llms.txt and llms-full.txt files
≈2K users3.7★ from 3 ratingsUpdated 8 months ago7 permissions- A similar number of users to SSL Checker
- Updated less recently
- Asks for more permissions (7 vs 3)
- Listed under Developer Tools
- 8
Tag Checker Insights
Tag Checker assists website owners in confirming the accurate installation of the tags on their website
≈6K users3.9★ from 21 ratingsUpdated 15 months ago5 permissions- About 3.0× more users than SSL Checker
- Updated less recently
- Asks for more permissions (5 vs 3)
- Listed under Workflow & Planning
- 9
Hosting-Checker
Helps you find out what hosting provider a website is using.
589 users5.0★ from 3 ratingsUpdated 3 weeks ago3 permissions- About 3.4× fewer users than SSL Checker
- 10
Domain Age Checker | Site Age Checker
Domain age checker is a whois tool / extension developed by toolpyramid.com for checking any domain age
≈10K users2.4★ from 29 ratingsNot updated for 2+ years3 permissions- About 5.0× more users than SSL Checker
- Updated less recently
- Listed under Workflow & Planning
SSL Checker alternatives: questions
What is the best alternative to SSL Checker?
By users, the most popular alternative is Domain Age Checker | Site Age Checker with ≈10K users and a 2.4-star rating. The closest match by what it does is SSL Checker.
Is there a SSL Checker alternative that asks for fewer permissions?
Status Code Checker asks for 1 permissions, against 3 for SSL Checker.
How many alternatives to SSL Checker are there?
We list 10 close alternatives to SSL Checker on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.