NextUtils - Free Online Tools for Developers & Designers
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Calculator

Perform basic and scientific calculations with history, percent, trig, sqrt/log, and copy result. Fast, accurate, and easy to use.

Calculator

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Utilities

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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.

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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.

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Image Resizer

Resize images to different dimensions with aspect ratio preservation, multiple output formats, and batch processing capabilities. Essential tool for web developers, designers, and content creators.

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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.

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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.

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Data Randomizer

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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.

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Sig Figs Calculator

new

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

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Converters

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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.

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