GPA & Grade Calculator
Course Manager
Add courses to start analysis.
Assignment Manager
Add assignment scores to begin target planning analysis.
Calculating your final exam exam path...
Free Online Tools & Calculators
Simple, fast, and easy-to-use online tools for calculations, conversions, coding, productivity, education, and everyday tasks.
Popular Tools
Explore some of the most frequently used calculators and utilities on ToolMeNow.
GPA Calculator
Calculate GPA scores quickly with support for multiple grading systems.
Percentage Calculator
Perform percentage increase, decrease, ratio, and discount calculations.
Binary Converter
Convert between binary, decimal, hexadecimal, and octal values.
Prime Number Checker
Check whether a number is prime with instant results and explanations.
Gray Code Converter
Convert decimal and binary values into Gray code format easily.
Hamming Code Tool
Encode and verify Hamming code data with visualization support.
Tool Categories
Browse online tools by category to quickly find the utilities you need.
Math Tools
Calculators for percentages, algebra, exponents, trigonometry, and more.
Binary & Coding Tools
Encoding, parity checking, Gray code, binary conversion, and digital logic tools.
Academic Tools
GPA calculators, grade tools, study utilities, and educational helpers.
Converters
Convert units, measurements, number systems, and common values online.
Engineering Tools
Technical utilities for electronics, calculations, and engineering workflows.
Productivity Tools
Online utilities designed to improve speed, workflow, and efficiency.
Recently Updated
Improved grading systems and responsive layout.
Added visual parity simulation and live binary validation.
Added educational explanations and conversion examples.
Featured Tools
Interactive GPA Calculator
A modern GPA calculator supporting weighted grades, multiple grading scales, credit hours, and semester tracking.
Open ToolBinary & Logic Toolkit
Explore binary converters, parity calculators, Hamming code tools, and digital logic utilities.
Explore ToolsAbout ToolMeNow
ToolMeNow is a growing collection of free online calculators, converters, coding tools, and productivity utilities designed to simplify everyday tasks.
Our goal is to provide lightweight, easy-to-use tools that work quickly across desktop and mobile devices without unnecessary complexity.
Fast & Easy Online Tools
Many of our tools run directly in your browser, allowing users to perform calculations, conversions, and technical operations instantly. We focus on speed, usability, and clean interfaces that make online tools easier to understand and use.
Continuous Improvements
We continuously update existing tools while developing new features, better interfaces, and improved educational content. Some tools may occasionally become temporarily unavailable during upgrades.
Educational & Productivity Focus
ToolMeNow includes utilities for students, developers, engineers, educators, and everyday users looking for fast online solutions. From GPA calculators to binary converters and math tools, we aim to make useful utilities accessible to everyone.
Frequently Asked Questions
Are the tools free to use?
Yes. ToolMeNow provides free online tools and calculators accessible from desktop and mobile devices.
Do tools work on mobile devices?
Yes. Most tools are fully responsive and optimized for smartphones and tablets.
Is user data stored?
Most tools process calculations directly within your browser and do not store user input data.
Why are some tools temporarily unavailable?
Some tools may be temporarily offline during upgrades, redesigns, or feature improvements.