Developer Tools

80+ free, privacy-first developer utilities. No API calls, 100% client-side processing.

✓ No API Cost✓ Works Offline✓ Privacy First

Code Utilities

Format, validate, encode/decode, and transform code & data

JSON Formatter XML Formatter SQL Formatter Base64 Encoder URL Encoder HTML Encoder JWT Decoder Hash Generator UUID Generator Regex Tester YAML ↔ JSON CSV ↔ JSON Random Generator Base Converter JSON → TypeScript JS/CSS Minifier

Web & SEO Tools

SEO analyzers, meta generators, and performance tools

Free SEO Checker Robots.txt Generator Sitemap XML Generator Meta Tag Generator Image Optimizer Checker Page Speed Analyzer Color Converter Gradient Generator Box Shadow Flexbox Generator HTML to JSX IP Tools

Security & Validation

Password tools, validators, and security checkers

Password Generator

DevOps Tools

Cron, Docker, Git, and configuration generators

Text & Data

Text utilities, counters, and diff tools

Text Diff Checker Word Counter Lorem Ipsum Markdown Preview

Time & Date

Timestamp converters and date calculators

Why Use Our Developer Tools?

Our developer utilities are built with privacy and speed in mind. Unlike many online tools that send your data to servers for processing, NexUtils processes everything locally in your browser. Your sensitive JSON data, passwords, and code never leave your device.

Key Benefits:

100% Client-Side: All processing happens in your browser using JavaScript
No API Dependencies: Works even without internet after initial load
Zero Data Collection: We never see or store your data
Fast Performance: No network latency, instant results
Free Forever: No subscriptions, no limits