Is there a file size limit?

No practical limit for most operations.

Results are generated using standard algorithms for maximum accuracy.

simple

Email Validator — simple

Validate email address format and domain.

Bulk validation

Email address

Type, paste, or upload your content.

Result appears instantly in your browser.

Copy the result or download your file.

Validate IPv4 and IPv6 addresses and get network info.

Encode and decode URLs and query strings. Escape special characters for safe URL usage.

Look up the geographic location of any IP address.