Why Teams Switch to Alterna PDF
Common pain points with PDF libraries — and how a managed API solves them.
Let's be honest: under the hood, we use some of the same open-source libraries you've probably tried. The difference is we've spent years patching, tuning, and handling the edge cases that made you want to throw your laptop out a window. Our OCR runs on multiple vision models and we swap between them based on accuracy and performance — so when one engine struggles with a scanned receipt, another picks it up. We monitor this stuff night and day so you can forget about it entirely. PDF processing might be a small part of your job — but it's our entire job. That's why we get it right.
Months debugging PDF libraries. Production incidents from edge cases. With a managed API, ship in an afternoon instead.
Weeks trying to get consistent PDF layouts across browsers and OSes. A dedicated rendering engine handles the inconsistencies for you.
Every PDF library promises 'simple integration.' Then you hit edge cases — encoding issues, malformed fonts, corrupted metadata. A single REST call handles the edge cases.
Text extraction works on most PDFs. But scanned documents, image-heavy layouts, and unusual fonts break everything. Three OCR engines cover the cases a single library can't.
Why Teams Switch to a Managed PDF API
Self-hosted PDF generation with Puppeteer or wkhtmltopdf typically takes 3-12 seconds per document. A dedicated API can reduce that to under a second — which makes a real difference when users are waiting.
Maintaining PDF infrastructure means updating headless Chrome, handling memory leaks, managing font packages, and debugging rendering differences. An API eliminates that entire maintenance burden.
OCR accuracy varies wildly by engine and document quality. Having access to multiple engines — from fast Tesseract to AI-powered vision models — lets you pick the right tool for each document type.