Free Online Tools
Convert images, remove backgrounds, count words and more — all in your browser, completely free and without signing up.
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Fast, private, and free tools for everyday use
Image Converter
Convert images between JPG, PNG, WebP, GIF, BMP and other formats directly in your browser — no file uploads to any server.
Word Counter
Count words, characters, sentences, paragraphs and estimated reading time in real time as you type or paste your text.
Name Generator
Generate random names by nationality and gender — perfect for fiction characters, software testing and content creation.
Password Generator
Create strong, secure passwords with configurable length and character types. Generated locally, never stored anywhere.
CPF/CNPJ Generator
Generate valid Brazilian CPF and CNPJ numbers using the official verification algorithm, for use in testing and software development.
Percentage Calculator
Calculate percentages, compound interest and BMI easily. Three calculators in one tool.
QR Code
Generate custom QR Codes and read QR Codes from uploaded images — all in your browser.
JSON Formatter
Format, minify and validate JSON with syntax highlighting. Essential for developers and API work.
Number Raffle
Draw random numbers from a defined range. Perfect for raffles and giveaways.
Random Number
Generate random numbers with fun animations. Dice, spinner and more.
Coin Flip
Digital coin flip with realistic animation. Toss a coin and see the result.
Base64 Encoder/Decoder
Encode and decode text in Base64 instantly, no server needed.
URL Encoder/Decoder
Encode and decode URLs and query string parameters for web applications.
Unit Converter
Convert between length, mass, volume, temperature, area and speed units.
Currency Converter
Convert values between world currencies with live exchange rates.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text — locally in your browser.
UUID Generator
Generate unique random UUID v4s for databases, APIs and distributed systems.
Token Generator
Generate secure tokens in hex, Base64 or alphanumeric format for authentication and security.
Why use Multi Tool Web?
100% Private
Your files never leave your browser. No data is sent to external servers.
Always Free
All tools are free, with no usage limits and no account required.
Fast & Simple
Clean and intuitive interface. Get things done in seconds, no distractions.
What is Multi Tool Web?
Multi Tool Web is a collection of free online tools designed to make everyday tasks easier for developers, writers, designers, and anyone who needs quick solutions without installing software. All tools run entirely in your browser — your data never leaves your device — and require no account, login, or payment. Just open and use.
Frequently Asked Questions
Are the tools really free?
Yes, all tools on Multi Tool Web are 100% free with no usage limits. The site is supported by Google AdSense ads, which allows us to offer everything at no cost to users.
Are my files and text safe?
Absolutely. All processing happens locally in your browser. No file, image, or text is ever sent to our servers. You have full control over your data.
Do I need to create an account?
No. None of the tools require sign-up, login, or any form of authentication. Just open the site and start using it immediately.
Which image formats does the converter support?
The converter supports JPG, JPEG, PNG, WebP, GIF, BMP, ICO and SVG as both input and output. You can convert between any combination of these formats without unnecessary quality loss.
Is the CPF/CNPJ generator legal?
Yes. The numbers generated follow the official check-digit algorithm but do not correspond to any real registered person or company. They are created solely for software development testing purposes, which is completely legal and common in the industry.
Does the site work on mobile devices?
Yes. Multi Tool Web is fully responsive and works well on smartphones, tablets, and desktops. All tools are designed to provide a good experience on any screen size.
How often are new tools added?
We are always working to expand the set of available tools. Check back soon to discover what's new.