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MultiTool

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© 2026 MultiTool. All rights reserved.

Made with care for a faster, simpler web.

PERCENTAGE CALCULATORWORD COUNTERPASSWORD GENERATORAI PROMPT GENERATORJSON FORMATTERTOKEN COUNTERTEMPERATURE CONVERTER

FREE · NO SIGN-UP · INSTANT RESULTS

Every Tool you need,
in one place.

143+ simple, fast utility tools for everyday math, conversions and text — built to just work, right in your browser.

Browse by category

12 CATEGORIES · 143+ TOOLS

01

Finance

Loans, interest, discounts, tips and taxes.

02

Health & Fitness

BMI, calories, ideal weight and age.

03

Math & Education

Fractions, GPA, ratios and geometry.

04

Converters

Units, temperature, currency, time zones and bases.

05

Date & Time

Date differences, countdowns and work days.

06

Text Tools

Word counts, case converters and diffs.

07

Developer Tools

JSON, Base64, URL encoding and UUIDs.

08

Generators & Fun

Passwords, QR codes and color palettes.

09

Image Tools

Compress, resize and convert images.

10

PDF Tools

Merge, split, convert and protect PDFs.

11

AI Tools

Prompts, token counters, AI directories and cost calculators.

12

Games

Classic arcade games, free in your browser.

Learn

From our guides

All guides →

GUIDE · 3 MIN

Why New Websites Take Months to Rank (and What Actually Helps)

The honest timeline of a new site on Google: sandbox effects, crawl budget, trust signals — and the four things that genuinely accelerate growth.

GUIDE · 2 MIN

Unicode and UTF-8: Why ❤ and é Work Everywhere Now

The invisible system that lets every language, emoji and symbol coexist on the web — how Unicode and UTF-8 work, and why they occasionally break.

GUIDE · 2 MIN

QR Codes: How They Work and How to Make Yours Scan Perfectly

Anatomy of a QR code, error correction explained, size and contrast rules that guarantee scans — and the mistakes that make codes fail in the wild.

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Lightning Fast

All tools run instantly in your browser. No waiting, no loading screens.

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Privacy-First

Most tools process files and inputs locally in your browser. A few tools use external services when required, sending only the data that feature needs. See our Privacy Policy for details.

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Always Free

Every tool is free forever. No sign-ups, no paywalls, no hidden fees.

NEW TOOLS EVERY WEEK

Miss a tool? Let us know.

We add new calculators, converters and utilities every week. If there's something specific you need, we'd love to hear from you.

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