How does NJ Cloud Printer work?

Install the desktop app on your Windows PC, install the Android app on your phone, scan the QR code to connect, then print any document from your phone to your USB printer — no Wi-Fi printer needed.

Is NJ Cloud Printer really free?

Yes. The free plan includes 15 pages per month at no cost, forever. Premium plans start at ₹249/month (India), AED 11/month (UAE), €3/month (Europe), or $3/month (US). No credit card required to start.

Does it work with any printer brand?

Yes. NJ Cloud Printer works with any printer connected to a Windows computer via USB, including HP, Canon, Epson, Brother, and all brands. No Wi-Fi or network capability required on the printer.

Can I print from anywhere in the world?

Yes. As long as your desktop app is running on the computer connected to the printer, you can send print jobs from your Android phone or web browser from anywhere — across the room or across countries.

What file formats are supported?

NJ Cloud Printer supports PDF, JPG, PNG, and DOCX files. You can upload from your phone gallery, file manager, or cloud storage. Files are encrypted in transit.

What is the difference between DPI and PPI?

DPI (dots per inch) is printer resolution. PPI (pixels per inch) is image resolution. For quality prints, DPI and PPI should match.

What DPI is good for photo printing?

300 DPI is the standard for high-quality photo prints. 150 DPI is acceptable for documents, while 72 DPI is suitable for web use only.

How many pixels do I need for an A4 print?

For a 300 DPI A4 print (8.27 × 11.69 inches), you need approximately 2480 × 3508 pixels.

DPI calculator for printers — find the optimal resolution for photos, documents, and posters.

Printer DPI Calculator

Free tool by NJ Cloud Printer

Convert DPI settings to PPI and calculate optimal resolution for photos, documents, and large format prints.

Settings

Image Size (pixels)

Width (px)

Height (px)

Paper Size

Target DPI

Results

Actual DPI:300

Quality:Excellent

Image size:8.7 MP

✓ Meets target DPI

Needed: 2481 × 3507 px

at 300 DPI on A4

Ready to print your results wirelessly?

Print directly from your phone or browser to any printer — including USB-only printers. Free to get started.

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