Are all tools on kezio.tools really free?

Yes. Every tool is 100% free with no signup, no trials, and no paywalls. We fund the site through optional advertising.

Do you store my files or data?

No. Tools run in your browser. Your files, text, and form data are processed on your device and are never uploaded to our servers.

Do I need to create an account?

No account is required. Open any tool, use it, and download or copy your result instantly.

Is kezio.tools safe for sensitive documents?

Because processing happens locally in your browser, your content stays on your device. We recommend still avoiding highly confidential data on any third-party website.

How many tools are available?

We ship new utilities regularly. Browse the full directory on the All tools page or check Tool status for the live roadmap.

100% free · no signup · browser-based

The fastest free utility website on the internet

Free to use. We never store your files or data — everything happens in your browser. 76 tools live · 62 more coming soon. About us · Privacy

Featured tools

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Merge PDF

Combine multiple PDF files into one document online.

Word Counter

Count words, characters, and sentences in text.

Markdown to PDF

Turn AI or chat Markdown into a downloadable PDF — headings, code blocks, and lists.

JSON Formatter

Format and beautify JSON with syntax highlighting.

EMI Calculator

Calculate loan EMI, total interest, and payment schedule.

BMI Calculator

Calculate Body Mass Index from height and weight.

QR Code Generator

Create QR codes for URLs, text, and WiFi.

Invoice Generator

Create professional invoices and download as PDF — free, no signup, everything runs in your browser.

Browse by category

PDF Tools

Merge, split, compress, and convert PDF files online.

Browse →10 / 10

Image Tools

Compress, resize, convert, and edit images online.

Browse →8 / 8

Text Tools

Count, format, sort, and transform text instantly.

Browse →12 / 12

Developer Tools

Format JSON, decode JWT, test regex, and more.

Browse →20 / 20

Calculators

Finance, health, and everyday calculators.

Browse →10 / 10

Generators

QR codes, passwords, fake data, palettes, and more.

Browse →6 / 6

Business Tools

Invoices, quotes, and business utilities — free and browser-based.

Browse →1 / 1

Unit Converters

Length, weight, temperature, currency, and more unit conversions.

Browse →9 / 9

Free & private by design

Every tool on kezio.tools is completely free — no trials, no paywalls, no account required. Your files and data never leave your device; processing happens entirely in your browser. We don't store, upload, or sell anything you create. See our Privacy Policy for details.

Frequently asked questions

Are all tools on kezio.tools really free?: Yes. Every tool is 100% free with no signup, no trials, and no paywalls. We fund the site through optional advertising.
Do you store my files or data?: No. Tools run in your browser. Your files, text, and form data are processed on your device and are never uploaded to our servers.
Do I need to create an account?: No account is required. Open any tool, use it, and download or copy your result instantly.
Is kezio.tools safe for sensitive documents?: Because processing happens locally in your browser, your content stays on your device. We recommend still avoiding highly confidential data on any third-party website.
How many tools are available?: We ship new utilities regularly. Browse the full directory on the All tools page or check Tool status for the live roadmap.