The PDF toolkit that does it all.
Stirling PDF is a complete PDF workspace with over 60 tools to edit, merge, split, sign, and convert your documents. Whether you need to combine several files, add a signature, or compress a large document, everything happens right in your browser — no additional software required.
What makes Stirling PDF worth launching.
Merge, split, rotate, compress, sign, redact, and convert — every PDF task you can think of, all in one place.
Turn scanned documents into searchable text, and convert PDFs to Word, Excel, PowerPoint, images, and more.
Add handwritten signatures, certificate-based digital signatures, passwords, watermarks, and redact sensitive information.
Chain multiple operations together into automated workflows to process entire folders of documents at once.
Reorder, rotate, crop, extract, and delete pages with a visual drag-and-drop interface.
Use the interface in the language you are most comfortable with, backed by an active community of translators.
If you fit one of these, Stirling PDF is probably built for you.
Practical scenarios where Stirling PDF makes a real difference.
Combine multiple PDFs into a single professional document before sending to clients.
Add your signature to agreements, contracts, and forms without printing, signing, and scanning.
Shrink bulky PDFs so they fit in email attachments without losing quality.
Use OCR to turn scanned paper documents into text you can search, copy, and edit.
Stirling PDF is the all-in-one toolkit that brings every PDF tool you could ever need into a single, easy-to-use workspace. With over 60 tools at your fingertips, you can merge multiple files, split documents into separate pages, convert to and from Word and Excel, add digital signatures, compress large files, and even scan documents with OCR to make text searchable. It's like having a complete document studio in your browser. Trusted by millions of users worldwide — from freelancers to Fortune 500 companies — Stirling PDF replaces the need for multiple expensive tools with one clean, fast interface. The best part? It's actively developed by a passionate community, so new features and improvements arrive regularly.
Stirling PDF is the world's most popular open-source PDF platform — and for good reason. It puts over 60 powerful document tools at your fingertips, all inside a clean, fast interface that anyone can use. From merging contracts and signing agreements to converting files and scanning with OCR, it handles the tasks that used to require multiple expensive apps. Millions of people — from freelancers to Fortune 500 teams — choose Stirling PDF because it just works, and it works beautifully.
No per-seat pricing
Add your whole team for one flat fee.
Your data stays yours
Nothing passes through a third-party cloud.
Use your own domain
Run it on yourdomain.com with free SSL.
No terminal. No config. No docs.
Workflow automation
n8n.aurora.openzapps.com
Monitors, fixes & deploys 24/7
One platform. Every app. No surprises.
Your own private server — no shared hosting, no slowdowns.
Deploy Stirling PDF and as many other apps as you want — no per-app charges, ever.
Full ownership. No third-party access. Export anytime.
Unlimited apps, unlimited users, unlimited traffic. One bill.
SSL, backups, and updates run automatically behind the scenes.
Cancel anytime. Take your data with you. No questions asked.
What others charge for just the empty server.
Server costs only. Prices checked June 2026.
4 vCPU cores, 8 GB RAM, 150 GB storage
A solid place to start
| Provider | Their price | You save |
|---|---|---|
| DigitalOcean | $48/mo | $29 (60%) |
| Vultr | $40/mo | $21 (53%) |
| Linode | $48/mo | $29 (60%) |
| AWS Lightsail | $84/mo | $65 (77%) |
| Google Cloud E2 | $103.45/mo | $84.45 (82%) |
8 vCPU cores, 24 GB RAM, 400 GB storage
The sweet spot for most people
| Provider | Their price | You save |
|---|---|---|
| DigitalOcean | $144/mo | $95 (66%) |
| Vultr | $144/mo | $95 (66%) |
| Linode | $192/mo | $143 (74%) |
| AWS Lightsail | $164/mo | $115 (70%) |
| Google Cloud E2 | $231.17/mo | $182.17 (79%) |
16 vCPU cores, 64 GB RAM, 600 GB storage
For power users
| Provider | Their price | You save |
|---|---|---|
| DigitalOcean | $384/mo | $285 (74%) |
| Vultr | $320/mo | $221 (69%) |
| Linode | $384/mo | $285 (74%) |
| AWS Lightsail | $384/mo | $285 (74%) |
| Google Cloud E2 | $474.53/mo | $375.53 (79%) |
Prices checked June 2026. Excludes taxes, credits, backups, bandwidth.
Everything you need to know about launching Stirling PDF on OpenZapps.
It is an all-in-one PDF toolkit that lets you edit, merge, split, sign, convert, and compress PDF files — all from your browser.
Not at all. OpenZapps handles everything behind the scenes — you just open the app and start working with your PDFs right away.
You pay OpenZapps a flat monthly fee to run Stirling PDF (and any other apps you choose). There are no extra charges or hidden fees.
Yes. All processing happens within your workspace — your files are never uploaded to any third-party service or external server.
Absolutely. Through OpenZapps, you can set up a custom domain so your PDF toolkit lives at your own web address.
Try something new — same platform, same flat price.
Start free, launch Stirling PDF in seconds, and cancel whenever you want — zero risk.
Plans start at $29/month. Cancel anytime.
