✨ 180+ free tools · updated for 2026

Free online calculators & tools for everyday tasks

Pay and tax calculators, exam score predictors, text, font and image tools – fast, free and ready to use. No sign-up, no downloads.

Popular: Paycheck CalculatorAP Score CalculatorWord CounterBulk Image ResizerDot to Dot GeneratorStrong Password GeneratorState Income Tax Calculator
100% freeNo limits or paywalls
No sign-upOpen a tool and go
Any devicePhone, tablet or PC
2026 dataOfficial figures, shown step by step

Most-used calculators

Our biggest tools, each with its own page for every state, exam or restaurant.

Paycheck CalculatorTake-home pay for every US state52 pages → State Income Tax Calculator2026 state income tax, all 50 states + DC52 pages → AP Score CalculatorPredict your 1–5 score for every AP exam26 pages → Restaurant Nutrition CalculatorCalories and macros for real menus12 pages →

Browse by category

Pick a topic to jump straight to the right tools.

Paycheck CalculatorsTake-home pay for every US state52 tools State Income Tax Calculators2026 state income tax, all 50 states + DC52 tools AP Score CalculatorsPredict your 1–5 score for every AP exam26 tools Restaurant Nutrition CalculatorsCalories and macros for real menus12 tools Images & DesignConvert, resize and create visuals10 tools Fonts & Copy-PasteFancy text, symbols and messages9 tools Study & MathStatistics, fractions and series7 tools Games & RandomGaming helpers and random pickers6 tools Writing & TextCount, clean and format text5 tools Money & WorkShifts, overtime and splitting bills4 tools Science & EngineeringCars, ballistics, gas and signals4 tools Windows AppsFree desktop apps from Oualator1 tool

New & updated

The latest tools we have added or improved.

Restaurant Nutrition CalculatorNEWFree restaurant nutrition calculator: build a meal from 11 chains’ official menus and see calories, protein,… State Income Tax CalculatorNEWFree 2026 state income tax calculator for all 50 states and DC. Enter your income and filing status to see st… AP Score CalculatorNEWFree AP score calculator for 2026. Enter your multiple-choice and free-response scores to predict your AP sco… Paycheck CalculatorNEWFree 2026 paycheck calculator for all 50 states. Enter your salary or hourly wage to see take-home pay after… Manga Bubble GeneratorNEWFree manga bubble generator. Add speech, thought, scream and whisper bubbles to any panel, style the tail and… Storage DoctorNEWFree Windows app that shows what is filling your C: drive and cleans it safely. Natural Gas Pipe SizingNEWSize natural gas or propane pipe by BTU load and run length. Get the correct pipe size, pressure drop and vel… Bulk Image EditorNEWEdit multiple photos at once with Oualator's free bulk image editor. Crop, resize, add text and watermarks, a… 8 Hour Shift CalculatorNEWFree 8 hour shift calculator with paid/unpaid breaks, overtime pay, night differential, weekly planner & cale…

All tools

188 tools · new ones appear here automatically

Full list →

Writing & Text · 5

Bold Words in a ParagraphCreate an intelligent tool that can bold words in a paragraph based on importance, repetition, context, and s… Duplicate Word FinderUse our Duplicate Word Finder to quickly detect and remove repeated words in your text. Improve clarity, poli… Phonetic Spelling GeneratorEasily convert names into phonetic spelling with our Spell My Name Phonetically Generator. Get accurate, read… Table of Contents GeneratorCreate clean, clickable TOCs instantly with our free automatic table of contents generator. Perfect for blogs… Word CounterUse our word counter tool to count words, characters, sentences, and keyword density in real time. Analyze wo…

How it works

Three steps, a few seconds.

Find your tool

Search above or browse a category – every tool has its own page.

Enter your details

Type a number, paste text or drop in an image. Nothing to install.

Get your result

See the answer instantly, then copy, download or share it.

Why people use Oualator

Built to be quick, honest and easy to use.

🎁
Free, always

Every tool is free – no hidden fees, subscriptions or usage caps.

⚡
Fast and simple

Clean pages that load quickly and give the answer without clutter.

🧮
Shows the working

Calculators explain how each result is worked out, using current official figures.

🔒
Privacy-friendly

No account needed, and most tools run right in your browser.

From the blog

Guides and fixes from the Oualator team.

All articles →
AppData Local Taking Up Too Much Space? Here’s How to Fix It How to Clear NVIDIA Shader Cache Windows 11: 2026 Complete Guide WindowsApps Folder Taking Up Space? 7 Safe Ways to Reclaim Gigabytes

Frequently asked questions

Quick answers about Oualator.

Are Oualator tools really free?

Yes. Every calculator, generator and converter on Oualator is free to use, with no sign-up, no paywall and no usage limits.

Do I need to create an account?

No. Open any tool and start straight away. There is nothing to register for or install (except our optional Windows app, Storage Doctor).

Do the tools work on my phone?

Yes. Every tool is built for phones, tablets and computers and works in any modern browser.

How accurate are the calculators?

Money, tax and exam calculators use the official published figures for the current year, and each page shows how the result is worked out so you can check it. Estimates are always labelled as estimates.

Is my data safe?

Most tools do their work right in your browser: text you type and images you upload are not sent to our server. We never ask for personal details to use a tool.

How often are new tools added?

New tools are added regularly. This page, the search and the sitemap update automatically, so the newest tools always appear here first.

Can I suggest a tool?

Yes, please do. Send your idea through the contact page and we will look at it for a future tool.

Can’t find the tool you need?

Tell us what you are looking for and we may build it next.

Suggest a tool