Free online tools for everyone
BuildDora gives you 9 free tools in one place: compress images, count words, make QR codes and passwords, calculate BMI and more. No signup, and everything runs in your browser.
- 100% free
- No account needed
- Works on phone and desktop
Pick a tool and start
Each tool opens instantly. Nothing to install and nothing to sign up for.
Image Compressor
Make JPG, PNG and WebP files smaller without visible quality loss. Good for websites, email and social media.
Most used 📝Word Counter
Words, characters, sentences and reading time.
Popular 🔒Password Generator
Strong random passwords in one click.
Popular 📱QR Code Generator
Turn any link or text into a QR code and download it as a PNG. No watermark.
Free download 🎂Age Calculator
Your exact age in years, months and days.
⚖️BMI Calculator
Check your Body Mass Index and healthy weight range.
🔤Text Case Converter
UPPERCASE, lowercase, Title Case and more.
📐Unit Converter
Length, weight, temperature and other units.
✂️Background Remover
Cut the background out of a photo.
See every tool
The full list, always growing.
Browse all toolsBuilt to get out of your way
Tools should do one job quickly. These are the rules every BuildDora tool follows.
Results in seconds
Tools run in your browser, so there is no upload queue and no waiting.
Your data stays with you
Files and text are processed on your device. We do not store or share them.
Free, without catches
No signup, no watermark and no limits on how often you use a tool.
Fine on any screen
Every tool is designed to work on a phone as well as a desktop.
Guides and how-tos
Short, practical guides that go with our tools.
How to Compress Images Without Losing Quality
Shrink image files for websites and social media with no visible drop in quality.
How to Count Words in Any Document Online
Count words and characters and check reading time. Useful for students, writers and bloggers.
How to Create a QR Code for Free
Make a QR code for your business, social links or any website. No signup, no watermark.
Common questions
Are BuildDora tools really free?
Yes. Every tool is free to use, with no signup, no watermark and no limit on how often you use it.
Are my files uploaded to a server?
No. The tools run in your browser, so your images, text and passwords are processed on your own device.
Do I need to create an account?
No. Open any tool and use it right away.
Do the tools work on mobile?
Yes. They work on phones, tablets and desktop computers.