Silent Printing API for Web Applications
PrintBridge exposes a localhost REST API that lets any web app print silently to Windows printers — ZPL labels, ESC/POS receipts, HTML invoices, PDFs — with zero browser dialogs.
Trusted by warehouses, restaurants, retail counters, and healthcare teams. Setup in under 60 seconds.
Why Silent Printing from Web Apps Is Broken
Say goodbye to print dialog fatigue.
The 3-Click Nightmare
Every single print job forces a browser dialog. Click print, click settings, click confirm. Every. Single. Time.
Workflow Friction
High-volume warehouses and retail counters can't afford to wait for a browser to 'think' about printing.
Printer Amnesia
Browsers often forget which printer you used last, leading to labels coming out of the office laser printer.
Stop fighting your browser.
Your web app was built for speed. Your printing process should be too. PrintBridge removes the middleman so you can focus on shipping.
How the Silent Print API Works
We built PrintBridge to be the invisible hero of your workflow. Set it up once, and forget it's even there.
Install PrintBridge
Download the lightweight Windows desktop app. It sits quietly in your system tray and exposes a local REST API — no Java, no browser plugin.
Connect Your App
Add a few lines of code to your web app to talk to our local API at http://127.0.0.1:1337.
Print Silently
Trigger prints directly to any named printer. No dialogs, no delays, just instant results.
Windows 10 / 11 · Free 7-day trial · No credit card required
Silent Printing API Features
Making printers behave since 2024.
Everything you need to bridge the gap between the web and the physical world.
14 Print Formats
ZPL, TSPL, ESC/POS, STAR, DPL, CPCL, EPL, PCL, HTML, PDF, PNG, JPEG and more. Works with Zebra, TSC, Epson, Star Micronics, Honeywell, HP, and any Windows printer.
Batch + Copies
Send 500+ labels/day in one API call. Per-job copies field for raw formats — no re-sending content. Immediate ROI for high-volume warehouses and fulfillment centers.
Printer Discovery
GET /printers returns all installed printers with health scores. Your app always targets the right device by exact name — no guessing, no silent misdirection.
Simple Local REST API
Clean JSON API on localhost:1337. Integrate from any frontend framework in minutes — React, Vue, Next.js, or plain fetch(). Full curl and code examples in the docs.
Tray-First, Always On
Runs quietly in the Windows system tray. The local API stays live even after the window closes. Zero CPU at idle.
Local-Only Security
Binds to 127.0.0.1 only — unreachable from the network. 256-bit cryptographic API key. Origin allowlist for browser clients. Print content never leaves the machine.
Install in seconds.
Zero dependencies.
The printbridge npm package ships a lightweight client for the local agent API — no SDKs to bundle, no native modules, no polyfills needed.
import { PrintBridge } from 'printbridge';
const pb = new PrintBridge({ apiKey: process.env.PRINTBRIDGE_API_KEY });
await pb.print({ printer: 'Zebra ZD420', content: zpl, format: 'zpl' });const { PrintBridge } = require('printbridge');
const pb = new PrintBridge({ apiKey: process.env.PRINTBRIDGE_API_KEY });
app.post('/label', async (req, res) => {
await pb.print({ printer: req.body.printer, content: req.body.zpl, format: 'zpl' });
res.json({ ok: true });
});<script setup>
import { PrintBridge } from 'printbridge';
import { ref, onMounted } from 'vue';
const pb = new PrintBridge({ apiKey: import.meta.env.VITE_PB_KEY });
const printers = ref([]);
onMounted(async () => {
printers.value = await pb.getPrinters();
});
async function printReceipt(html) {
await pb.print({ printer: printers.value[0].name, content: html, format: 'html' });
}
</script>const { PrintBridge } = require('printbridge');
const pb = new PrintBridge({ apiKey: 'YOUR_KEY' });
const printers = await pb.getPrinters(); // [{ name, isDefault, healthScore }]
await pb.print({ printer: printers[0].name, content: pdfBase64, format: 'pdf' });Ready to print like it's 2026?
Start Your Free 7-Day TrialNo credit card required. Setup in 60 seconds.
Simple, transparent pricing.
Start with a 7-day free trial, no credit card required. Cancel anytime.
Starter
Perfect for a single workstation or developer integration.
- 1 Device License
- Unlimited Prints
- All Printer Types (ZPL, ESC/POS, PDF)
- 7-day log history
- Standard Support
- Auto-Updates
Pro
For small teams and growing operations.
- Up to 5 Device Licenses
- Unlimited Prints
- All Printer Types (ZPL, ESC/POS, PDF)
- 30-day log history
- Priority Support
- Auto-Updates
- Usage Dashboard
- Cloud Fleet Management
- Remote Log Retrieval
Business
For warehouses and multi-station environments.
- Up to 20 Device Licenses
- Unlimited Prints
- All Printer Types (ZPL, ESC/POS, PDF)
- 90-day log history (archived)
- Priority Support
- Auto-Updates
- Usage Dashboard
- Cloud Fleet Management
- Remote Log Retrieval
- Dedicated Onboarding
Cloud Fleet Management (remote heartbeats, log retrieval, device revocation) requires Pro or Business. Starter runs fully local.
Enterprise
Unlimited devices · Custom contracts · SLA · White-labeling for ISVs · Unlimited log history
Running 5+ stations?
We can set up volume licensing, deployment automation, and centralized billing for your whole fleet.
Your data stays exactly where it belongs: On your machine.
PrintBridge operates entirely on 127.0.0.1. We don't have a cloud backend that stores your labels, and we don't track what you print.
No Cloud Dependency
Works offline. No internet required for printing.
Encrypted Local API
Secure communication between browser and app.
{
"status": "online",
"version": "2.4.0",
"printers": [
{ "name": "Zebra_GK420d", "status": "ready" },
{ "name": "Office_LaserJet", "status": "idle" }
],
"security": "local_only_enforced"
}What early users are saying
Beta feedback from developers and ops teams in the field.
“We replaced QZ Tray across 8 label stations in an afternoon. PrintBridge just works — the API is clean, the setup is 10 minutes, and our ops team hasn't touched it since.”
Marcus T.
Lead Developer, 3PL Fulfillment Co.
“Our WMS needed silent receipt printing from the browser. PrintBridge was the only solution that didn't require Java or browser plugins. It's been running flawlessly for 3 months.”
Sarah K.
CTO, Retail SaaS Platform
“The ZPL support is exactly what we needed for our shipping labels. Integration took maybe 30 minutes and the test lab helped us verify everything before we went live.”
Diego R.
Backend Engineer, E-commerce Startup
Your web app's new best friend in the print room.
Stop fighting the browser print dialog. PrintBridge gives your web app direct, silent access to any printer in seconds.