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Seamless printing, from web to paper. Instantly. Anywhere.
PrintBridge by Zentra allows any web application to connect directly to thermal label printers from the browser—no pop-ups, no cloud, no hassle. Just generate a PNG in your web app and send it to PrintBridge via WebSocket for instant, secure, local printing.
Contact us to get started
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Industries We Serve
PrintBridge is trusted across a wide range of industries for reliable, secure, and instant label printing:
  • E-commerce Fulfillment
    Automate shipping label printing from order management systems.
  • Inventory Management
    Print product labels and barcodes from web-based inventory systems.
  • Point of Sale
    Silent receipt and label printing from web POS applications.
  • Healthcare
    Patient wristbands and medication labels from EMR systems.
  • Manufacturing
    Quality control labels and product identification from MES systems.
  • Logistics
    Warehouse labels, shipping documents, and tracking information.
Zentra Overview
Zentra Overview
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What is Zentra?
What is Zentra?
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STEP 1
Silent Print Processing
Print PNG images directly from web applications without any user dialogs or confirmation popups. Fully automated printing workflow for seamless integration.
Review docs
STEP 2
Real-time WebSocket Bridge
Secure WebSocket connection enables instant communication between your web application and local printers. Fast, reliable data transfer with configurable security options.
How it works
STEP 3
Any Label Size
Support for all label dimensions and formats. From shipping labels to product tags, business cards to receipts - Zentra handles any print job seamlessly.
Start printing
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How Zentra Works
Step 1
Install Zentra
Download and install the Zentra native application for your OS.
Step 2
Connect Web App
Establish a WebSocket connection from your web application to Zentra.
Step 3
Send Print Jobs
Submit PNG images through our simple WebSocket API.
Step 4
Silent Printing
Zentra processes and prints automatically without user interaction.
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"Zentra has transformed our shipping workflow. Printing is now instant and hands-free."
— Operations Lead, E-commerce
"We integrated Zentra in a day. Our staff love the silent label printing."
— IT Manager, Retail
"No more printer dialogs or popups. Zentra just works."
— Product Owner, SaaS