Naptown Labs

Free PDF Tools
Right in Your Browser

Merge, split, compress, and convert PDFs with zero uploads. 100% client-side processing — your files never leave your device.

ezpdf.app
5
PDF Tools
0
Server Uploads
5
Blog Posts
$9.99
Lifetime Pro
Core Features
Five tools, zero compromises on privacy

Every operation runs entirely in the browser using pdf-lib and PDF.js. No server, no upload, no waiting.

📜

Merge PDFs

Combine multiple PDF files into a single document. Drag-and-drop reordering with instant preview.

✂

Split PDF

Extract specific pages or page ranges from any PDF. Download individual pages or a custom selection.

📦

Compress PDF

Reduce PDF file size while maintaining quality. Client-side compression with no file size limits.

📷

Images to PDF

Convert JPG and PNG images into a single PDF document. Great for scans, portfolios, and multi-page docs.

🖼

PDF to Images

Convert each PDF page into a high-quality PNG or JPG image. Download individually or as a ZIP archive.

🔒

100% Private

Files never leave your device. No server uploads, no tracking, no account required. Works offline after page load.

Architecture
Client-side everything

Zero server cost for PDF processing. The browser does all the heavy lifting.

User
Drops file(s)
→
Browser
FileReader API
→
Processing
pdf-lib / PDF.js
→
Output
Download file
Monetization
Stripe Checkout
→
Webhook
/api/webhook
→
Auth
HMAC signed cookie
→
Pro Access
Unlimited + no ads
// All PDF processing happens in the browser import { PDFDocument } from 'pdf-lib'; // Merge example — no server involved const merged = await PDFDocument.create(); for (const file of files) { const pdf = await PDFDocument.load(file); const pages = await merged.copyPages(pdf, pdf.getPageIndices()); pages.forEach(p => merged.addPage(p)); } const bytes = await merged.save(); // Security: Pro status verified via HMAC-SHA256 signed httpOnly cookie // Stripe session IDs tracked to prevent replay attacks // CSP, HSTS, timing-safe comparison all enforced
Pricing
Free forever, or go Pro once

One-time payment. No subscription. Lifetime access.

Free
$0
  • All 5 PDF tools
  • 3 operations per day
  • No account required
  • Client-side processing
  • Ads displayed
Lifetime
Pro
$9.99 one-time
  • All 5 PDF tools
  • Unlimited operations
  • No ads ever
  • Client-side processing
  • Priority support
  • Future tools included

Revenue Model

Stripe handles one-time Pro payments via checkout sessions. Webhook at /api/webhook mints an HMAC-signed httpOnly cookie. Google AdSense serves ads on the free tier. Zero recurring infrastructure cost — the product is pure margin.

Tech Stack
Modern, minimal, zero-server PDF processing

Ship fast with Next.js. Process locally with pdf-lib. Host free on Vercel.

▲
Next.js 16
App Router + API Routes
📄
pdf-lib
Merge, Split, Compress
👁
PDF.js
Render + PDF-to-Images
💌
Stripe
One-Time Pro Payment
🎨
Tailwind CSS 4
Styling + Typography
☁
Vercel
Hosting + Edge
📦
JSZip
Multi-Image ZIP Export
🔐
HMAC-SHA256
Pro Cookie Signing
📰
Google AdSense
Free Tier Ad Revenue
📈
Google Ads
Paid Acquisition ($5/day)
🙌
React 19
UI Components
🔧
TypeScript
Type Safety
SEO & Content
Organic growth through targeted content

5 keyword-targeted blog posts, structured data, dynamic sitemap, and OG images.

2026-03-08

How to Split PDF Pages

Extract specific pages or page ranges from PDFs. Free, browser-based, no upload required.

2026-03-08

How to Add a Watermark to a PDF Online

Add text watermarks to PDFs for free. Mark drafts, protect documents, and brand files in your browser.

2026-03-07

How to Merge PDF Files for Free

Step-by-step guide to combining multiple PDFs into a single document using free browser-based tools.

2026-03-07

Compress a PDF Without Losing Quality

Why PDFs get large, how in-browser compression works, and how to shrink files without sacrificing readability.

2026-03-07

Convert Images to PDF Online for Free

Turn JPG, PNG, and other image files into a single PDF document. Perfect for scans and portfolios.

SEO Strategy

Structured Data

JSON-LD WebApplication schema on every tool page. Dynamic OG images via Next.js opengraph-image.tsx convention.

Dynamic Sitemap

Auto-generated sitemap.xml covering all tool pages and blog posts. Submitted to Google Search Console.

Keyword Targeting

Per-tool metadata optimized for high-volume queries. Blog posts written for long-tail informational keywords.

merge pdf 550K/mo
compress pdf 450K/mo
jpg to pdf 1.8M/mo
split pdf 301K/mo
pdf to images 110K/mo

Launch Plan

Product Hunt — Scheduled for March 18, 2026
Google Ads — Live campaign at $5/day, Maximize Clicks strategy
Reddit / HN — Organic posts scheduled for March 9
AdSense — Application pending for free-tier ad revenue
Demo Video — Hosted at api.harmjoy.us/static/ezpdf-demo.webm

Try it now

ezpdf.app