NextUtils - Free Online Tools for Developers & Designers
🏷️

UTM Builder

Build clean UTM campaign URLs with presets, validation, custom parameters, and QR export. Copy links, save presets, and bulk generate tracking URLs.

Custom parameters

Parameters summary

utm_source
utm_medium
utm_campaign
utm_term
utm_content

Advanced Tools

Explore More Tools

Discover our collection of free online tools for developers, designers, and power users

📣

Marketing & Analytics

📱

QR Code Generator

Generate customizable QR codes for URLs and more.

🔄

Converters

🔗

Base64 Converter

popular

Encode and decode Base64 strings, files, and images. Convert text to Base64 format or decode Base64 back to original content with our free online tool.

🔢

Binary Converter

updated

Convert between binary, decimal, hexadecimal, and octal number systems. Free online tool for developers and students to perform number base conversions with precision.

📏

Unit Converter

new

Convert between different units of measurement including length, weight, volume, temperature, and more. Comprehensive unit converter for everyday calculations and professional use.

🎨

Color Converter

Convert between color formats including RGB, HEX, HSL, CMYK, and more. Professional color converter with color names, brightness analysis, and contrast ratios for designers and developers.

⏰

Timestamp Converter

Convert Unix timestamps to readable dates and vice versa. Support for multiple timestamp formats, timezone conversions, and date calculations for developers and system administrators.

✨

Generators

🔑

Password Generator

popular

Generate secure, strong passwords with customizable options including length, character types, and exclusions. Perfect for creating secure passwords for accounts, applications, and systems.

🔐

Hash Generator

Generate various cryptographic hash types including MD5, SHA1, SHA256, SHA512, and more. Essential tool for developers, security professionals, and data integrity verification.

View All Tools