Smart Check
One box for quick checks. Paste a website, IP address, URL, JWT, hash, timestamp, UUID, color, email, CVE or JSON, and we work out what it is, show the key facts and offer the full tool for more.
- Check
- Paste a website, IP, JWT, hash…
- Try:
- Checking…
- Detected
- Not this? It could also be:
- Open in a full tool
- We could not tell what this is. Try a domain, IP address, URL, JWT, hash, timestamp, UUID, color or JSON.
- Complete the captcha to run the live check.
- Captcha failed. Please try again.
- Too many checks. Please wait a few minutes.
- The live check could not be completed. Please try again.
- Enter just a website name such as example.com.
- This site cannot be checked.
- The lookup service did not answer. Try again in a moment.
- Website
- IP address
- IP range (CIDR)
- JWT token
- Hash
- Timestamp
- UUID
- Color
- Email address
- CVE ID
- JSON
- Base64 text
- Status
- Online
- Not reachable
- HTTP status
- Response time
- Final address
- Redirects
- SSL certificate
- Valid, {n} days left
- Expired
- Not trusted
- No certificate found
- Issuer
- IP address
- Hosting provider
- Country
- Reverse DNS
- Version
- Scope
- Public
- Private
- Loopback
- Link-local
- Multicast
- Reserved
- Decimal
- Hex
- Network
- Network owner
- Prefix
- Netmask
- Broadcast
- First host
- Last host
- Usable hosts
- Addresses
- Algorithm
- Header
- Payload
- Expires
- Issued
- Expired
- Still valid
- Likely types
- Unit
- Seconds
- Milliseconds
- UTC
- Your time zone
- Relative
- Length
- Variant
- Time
- Name part
- Domain
- Valid
- Yes
- No
- Type
- Items
- Object
- List
- Decoded text
- Preview
Most answers are worked out in your browser, so what you paste stays on your device. Website checks run on our server, and for visitors who are not signed in they ask for a captcha once to keep the service fast for everyone.