NextUtils - Free Online Tools for Developers & Designers

Image Resizer

Resize images to different dimensions and formats

Upload Image

Supports JPG, PNG, WebP up to 50MB

Resize Mode

Custom Size

Explore More Tools

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

🛠️

Utilities

🧮

Calculator

popular

Advanced calculator with history, scientific functions, and memory features. Perfect for students, engineers, and anyone needing powerful calculation capabilities with a clean, intuitive interface.

📈

Percentage Calculator

Calculate percentages, ratios, proportions, and percentage changes with step-by-step solutions. Essential tool for students, business professionals, and anyone working with percentage calculations.

🗜️

Image Compressor

Compress images while maintaining quality with advanced algorithms and customizable compression settings. Essential tool for web developers, content creators, and anyone needing to optimize image file sizes.

🔗

URL Encoder

Encode and decode URLs, special characters, and HTML entities with support for multiple encoding standards. Essential tool for web developers, system administrators, and anyone working with URL encoding.

✅

Data Validator

new

Validate emails, phone numbers, credit cards, postal codes, and more with comprehensive validation rules and error reporting. Essential tool for developers, data analysts, and form validation.

🔄

Data Randomizer

new

Anonymize, shuffle, and mask sensitive data while preserving structure and relationships. Essential tool for data scientists, researchers, and anyone working with sensitive data that needs anonymization.

⚙

Sig Figs Calculator

new

Solve expressions and round to significant figures. Counts sig figs, applies add/sub decimals rule, supports log and ln.

🔄

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.

View All Tools