Best Education / Utilities / Developer Tools in 2026

Free electrical calculators for homeowners, DIYers & electricians.

Key MyElectricCalc features:

Ease of Use Cost Estimation Free Access Time-Saving

free

Calculate in a notebook and share — from everyday math to engineering.

Key Calcumber features:

🌿 Naturally type expressions 🔗 Copy and share 🧩 Variables and constants 🧪 Scientific functions

Visit website free Sponsored

Fast, free dev tools that run 100% client-side no signup.

Key DevNestTools features:

Free to Use Wide Range of Utilities No Installation Required Simple and Clean Interface

Free online utility tools for everyday tasks, no signup, no limits.

Key DailyToolkit.app features:

40+ Free Tools No Signup Required Client-Side Processing Unlimited Usage

free

Paste code or drop a screenshot — get a polished, share-ready visual in seconds. Dracula, One Dark Pro, browser mockups, social postcards, HD export. Free & client-side.

Key KromaStudio.in features:

Studio modes (3-in-1) 15 syntax themes HD PNG & animated .webm Browser & device mockups

Open Source free

Create beautiful images of your code.

Key Ray.so features:

User-Friendly Interface Customization Options High-Quality Visuals Support for Multiple Languages

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

Create and share beautiful images of your source code.

Key Carbon features:

Aesthetically Pleasing Customization Options Ease of Use Code Syntax Highlighting

Open Source

Electriciy bill cost calculator. Electricity usage/consumption calculator.

Key elec calc features:

User-Friendly Interface Comprehensive Calculations Accessibility Free of Cost

Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.

Key Online Convert features:

User-Friendly Interface Variety of Formats No Software Installation Free to Use

snappify is a great tool to create and adjust beautiful code snippets easily.

Key Snappify features:

User-Friendly Interface High-Quality Screencasts Collaboration Features Rich Editing Tools

Create custom QR Codes with Logo, Color and Design for free. This QR Code Maker offers free vector formats for best print quality.

Key QRcode-monkey.com features:

Free to Use Customization High-Quality Output Ease of Use

Brand your Twitter content uniquely.

Key BrandBird features:

Easy to Use Comprehensive Design Tools Templates and Resources Collaboration Features

Easily calculate energy usage, wattage, solar load, and power consumption with our free energy and solar calculators. Convert volts, amps, and watts accurately to optimize efficiency and manage your electricity better. 🌞⚡.

Key energycalculator.blog features:

Niche Focus on Energy Calculations Blog Format for Accessibility Potential for Educational Content Free Online Resource

Open Source