About Us
Built for people who just need tools.
MJ ToolNest is a collection of 46+ free, browser-based utility tools. No accounts, no complexity — just the tools you need to get things done, with your files processed entirely on your device.
46+
Tools Available
100%
Free Forever
0
Sign-ups Required
In-Browser
File Processing
Our principles
Everything we build follows these four ideas.
Speed First
Every tool loads instantly and runs entirely in your browser. No waiting, no server round-trips for basic calculations.
Privacy by Default
Your files and inputs never leave your device. Tool processing happens entirely in your browser, not on our servers.
Zero Friction
No sign-ups, no subscriptions, no paywalls. Open a tool, use it, close it. That's the whole experience.
Always Free
Every tool on MJ ToolNest is and will always be free. We believe utility software should be accessible to everyone.
What we offer
46 tools, organized by category.
Calculators
11- Age Calculator
- EMI Calculator
- SIP Calculator
- Percentage Calculator
- Loan Calculator
- Mortgage Calculator
- GPA Calculator
- Retirement Calculator
- Investment Calculator
- Tip Calculator
- Tax Calculator
PDF Tools
10- PDF Merge
- PDF Split
- PDF Compress
- PDF to Image
- Image to PDF
- PDF Rotate
- PDF Watermark
- Extract PDF Text
- PDF Lock
- PDF Unlock
Converters
13- Unit Converter
- Color Converter
- Angle Converter
- Currency Converter
- Temperature Converter
- Time Zone Converter
- Data Size Converter
- Speed Converter
- Energy Converter
- Pressure Converter
- Power Converter
- Fuel Economy Converter
- Base64 Encoder / Decoder
Image Tools
2- Image Resizer
- Image Compressor
Productivity
10- Word Counter
- QR Code Generator
- UUID Generator
- Hash Generator
- Regex Tester
- JSON Formatter
- YAML to JSON
- XML Formatter
- JWT Decoder
- Slug Generator