Free Contact Data Tools
Check email addresses, format phone numbers, hash emails and clean LinkedIn URLs, one record at a time.
Email Checker
Check whether an email address is valid and can receive mail before you send to it.
- Format
- Mail Server
- Disposable
- Role Address
- Typos
Email Hash Generator
Hash an email address to SHA-256, SHA-1 and MD5, normalized the way ad platforms expect.
- SHA-256
- SHA-1
- MD5
- Inbox-Normalized
Phone Number Formatter
Convert a phone number in any format to E.164, plus its international and national forms.
- E.164
- International
- National
- Placeholder Check
LinkedIn URL Cleaner
Turn a messy LinkedIn profile, company or school link into its one canonical URL.
- Profiles
- Companies
- Schools
- Member IDs
No Signup
Open a tool and use it. No account, no email.
Nothing Stored
What you enter is checked and thrown away, never saved or logged.
Stays on Your Device
Everything runs in your browser. The Email Checker sends only the domain, to look up its mail servers.
Run Them From Code
For lists and pipelines, the same cleaning and hashing are API endpoints, with the same rules as these tools.
- Email CheckerBrowser tool only
- Email Hash GeneratorPOST /utility/hash/email
- Phone Number FormatterPOST /utility/clean
- LinkedIn URL CleanerPOST /utility/clean
Clean Data Is the Start. Enrich It Next.
Match a clean email, phone or LinkedIn URL to a full person profile with the Enrichment API.