Medium potentialLow license · MITScore 9/10
PDFx Web
Bundle PDFs into one file, instantly
PDFx Web is a web service that lets you upload multiple PDFs and receive a single PDFx file that contains all documents with embedded metadata. The service also allows you to split a PDFx back into its original PDFs, making it easy to manage large collections of documents.
Tech stack
Next.js 14 App Router + Node.js + pdf-lib + pdfjs + Vercel + Stripe
BYOK model
Not required
Freemium model
Free tier: up to 5 PDFs/month, 10 MB total. Pro tier: unlimited PDFs, 100 MB, priority support
Deployment complexity
Low — The service requires only a Node.js backend and PDF libraries; no GPU or complex orchestration is needed.
SEO keywords
PDF merge toolbundle PDFsPDFx onlinemerge multiple PDFsPDF split tool
Why it qualifies
- ✓High demand for PDF merging
- ✓Unique metadata bundling feature
- ✓Low development effort
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