Best Utilities / Developer Tools in 2026

Free Online Calculators, Converters, and Tools.

Key utilkit features:

Convenient utility collection Ease of use Web-based accessibility Time-saving automation

Zoviz: Professional Logos, Perfectly Personalized Your Brand. Your Story.

Key Zoviz features:

Unique Logo Designs Comprehensive Branding Kit High-Resolution & Vector Formats Multi-Color and Gradient Support

Visit website paid

Mouse Clicker automates repetitive clicks with adjustable speed, interval timing, and click frequency control, making tasks faster, easier, and more efficient.

Key MouseClicker features:

Click Intervals Click Configurations Cross-Platform Support

free

55 free formatters, converters, generators, and reference tools for developers — JSON, Base64, JWT, regex, hashes, subnets. Nothing you paste is ever uploaded.

Key WhiteKit.dev features:

100% Client-Side Processing No sign-up Offline Capable Unified Toolset

free

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON.

Key JSONFormatter.org features:

User-Friendly Interface Multiple Tools Free to Use Cross-Platform

OP Auto Clicker is an all-in-one tool to automate mouse clicks.

Key OP Auto Clicker features:

Ease of Use Customizability Free to Use Low Resource Consumption

Helping you make rational decisions, one calculation at a time.

Key Omni Calculator features:

User-Friendly Interface Wide Range of Calculators Accuracy Educational Value

Code Beauty’s JSON Validator or JSON Lint is easy to use tool to copy, paste and validate JSON data.

Key Code Beautify JSON Validator features:

User-Friendly Interface Immediate Feedback Free to Use Additional Formatting and Tools

Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.

Key Sourcegraph features:

Code Search Cross-Repository Search Integrations Code Intelligence

Open Source

Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.

Key FreeFormatter features:

Wide Range of Tools User-Friendly Interface No Installation Required Free to Use

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.

Key calculator.net features:

Comprehensive Range of Calculators User-Friendly Interface Free Access Detailed Explanations

Auto Clicker app provides features to help you generate some automatic clicks on the desired part of the screen by simply selecting the duration of each swipe or click.

Key Auto Clicker features:

Automation Efficiency User-Friendly Interface Customization Options Performance Optimization

The Cyber Swiss Army Knife.

Open Source

The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.

Key Cursor features:

User-Friendly Interface Comprehensive Analytics Integration Capabilities Customizability