400+ Tools · 5 Services · 20 Languages
Free tools, right in your browser
Image editing, video conversion, developer utilities, calculators, hardware diagnostics — no installation, free, and private.
Our Services
Tools
150+ free online tools for image compression, video editing, PDF conversion, QR codes, color tools, and more. All processed in your browser.
DevTools
90+ developer tools including JSON formatter, Base64 encoder, regex tester, UUID generator, and more. Built for developers.
Calculator
90+ free online calculators for BMI, loan interest, currency exchange, date calculations, unit conversions, and more.
Diagno
Test your monitor colors, keyboard, mouse, speakers, microphone, and webcam directly in your browser.
Daily
100 life management tools for money, habits, tasks, notes, media, meals, and fitness. Works right in your browser.
Why Patrache Studio?
100% Browser Processing
All files are processed directly in your browser. Nothing is uploaded to a server, so your privacy is fully protected.
Completely Free, No Limits
No sign-up, no watermarks, no daily usage limits. Use any tool whenever you need it.
No Installation Required
No apps to install. Works on any device with a modern web browser — desktop and mobile.
20 Languages Supported
Available in Korean, English, Japanese, Chinese, and 16 more languages for users worldwide.
Frequently Asked Questions
What is Patrache Studio?
Patrache Studio provides a wide range of free online tools including image, video, PDF, developer tools, calculators, and hardware diagnostics. All tools run in your browser and no data is sent to any server.
Are all tools really free?
Yes, every tool is 100% free. No sign-up or payment required, and there are no daily usage limits.
Are my files stored on a server?
No. All files are processed directly in your browser. Nothing is sent to or stored on any server, so your privacy is fully protected.
Can I use these tools on mobile?
Yes, all tools are responsive and work on smartphones and tablets.
Which browsers are supported?
Chrome, Firefox, Safari, Edge, and all modern browsers are supported.