Email Validator
Instantly check if an email address is valid with normalized output and clear error messages.
Free online security tools that run entirely in your browser.
Instantly check if an email address is valid with normalized output and clear error messages.
Extract unique email addresses from text, logs, and messy documents in one click.
Free strong password generator and passphrase generator. Create 8, 12, 15, 16, 20, or 32 character random passwords, or memorable 3–7 word passphrases, with a live strength meter, entropy in bits, and crack-time estimate. Everything runs locally in your browser.
Generate .htpasswd credentials for Apache and Nginx Basic Auth. Create APR1-MD5 or SHA-1 entries, build multi-user files, and follow practical setup steps to protect folders with .htaccess or server config.
Compute MD5, SHA-1, or SHA-256 hashes of any text.
Create JWT tokens with custom header and payload JSON, optional HMAC signing, and expiration controls for secure API testing.
Compare two hashes with exact matching, timing-safe comparison, and similarity detection to catch subtle differences quickly.
Generate HMAC signatures using SHA-256, SHA-384, or SHA-512 with an API testing mode for method, path, timestamp, and body signing.
Validate credit card numbers with the Luhn algorithm, detect the card brand, and compute the expected check digit — 100% client-side.
Safa is a clean, premium ad blocker for Chrome that blocks ads, trackers, and intrusive overlays — with no accounts, no sync, and no telemetry. Free, fast, and Manifest V3.