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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