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Grammar checker, plagiarism detector, word counter, age calculator and more — all free, all instant, all in your browser.

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✍️ Writing & Proofreading

Grammar Checker

Fix grammar, spelling, punctuation and style errors with color-coded highlights and one-click corrections. Supports 30+ languages.

Check your text →

Plagiarism Checker

Compare two texts for duplicate content, or check each sentence against the web to detect copied material.

Check plagiarism →

Count words, characters, sentences and paragraphs. Estimates reading time and shows top keywords.

Count words →

🔢 Numbers & Math

Number to Words

Convert any number to English words — plus Pakistani / Indian lakh-crore format, cheque wording, and ordinal form.

Convert numbers →

Percentage Calculator

Three modes: percentage of a number, what percent A is of B, and percentage increase or decrease.

QR Code Generator

Create custom QR codes with logo, colors and shapes. Download free PNG.

Screenshot → Document

Upload any photo of a table, receipt or invoice. Extracts all data as Excel, CSV, JSON or plain text.

Extract data →

📅 Dates & Age

Find your exact age in years, months and days — plus total hours lived and next birthday countdown.

Calculate age →

The exact age gap between two people in years, months and days, with total weeks and days.

Date Difference

Exact days, weeks, months and years between any two dates. Business days count included.

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Instant results

Every tool runs in your browser — results appear immediately, no page reload.

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Private by design

Most tools process data entirely in your browser. Tools needing external processing clearly say so. We log nothing.

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Works everywhere

Fully responsive — use on phone, tablet, or desktop without installing anything.

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Always free

No premium plans, no sign-up required. Just open a tool and use it.

📚 From the Blog

All articles →

How to Write Numbers in Words: A Complete Guide

Every rule for spelling out numbers correctly — from basic digits to trillions.

Understanding Plagiarism: A Student's Guide

What actually counts as plagiarism, and how students can protect their work.

Lakh, Crore & Arab Explained

Why Pakistan and India count differently — and how to convert between systems.

How to Write a Cheque Correctly

Step-by-step formatting and mistakes that get cheques rejected by banks.

Frequently asked questions

Yes — every tool on ToolBase is 100% free with no hidden charges, no premium tier, and no sign-up required. The site is supported by advertising, which keeps all tools permanently free for everyone.

No account is needed. Simply open a tool, paste your text or enter your data, and get instant results. There is no registration, no email address required, and no login wall.

All tools that run calculations locally (word counter, age calculator, number to words, etc.) process your data entirely within your browser — nothing is sent anywhere. For tools that require server-side processing (grammar checker), your text is sent securely to a processing endpoint and is not retained after the response is returned. ToolBase's own servers never receive or store your text.

The Grammar Checker supports 30+ languages including English (US, UK, Australian), French, German, Spanish, Arabic, Portuguese, Italian, and more. The Number to Words tool supports both International (English) and South Asian (Urdu/Hindi) lakh-crore formats. Other tools work with any text language.

Yes — every tool on ToolBase is fully responsive and works on smartphones and tablets as well as desktop browsers. No app installation is required.

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