Developer Tools
Developer & Security Tools
High-performance browser utilities for software engineers and web developers. Diff checker, password generator, regex tester, and email validation tools.
Password Generator
Generate cryptographically secure random passwords using browser Web Crypto APIs.
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Text & Code Diff Checker
Compare side-by-side textual revisions and code diffs with character-level change highlighting.
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Regex & SQL Studio
Test regular expressions and format SQL queries locally in your browser.
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Domain Blacklist & DNS Checker
Audit domain reputation, DNS health, and email blacklist status across major RBLs.
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Email Verifier & Syntax Validator
Check email deliverability, MX records, and syntax integrity without sending emails.
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Custom QR Code Generator
Create customizable high-resolution scannable QR codes for URLs, WiFi, and contact vCards.
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