VeryPDF vs Sejda The Best HTML to PDF API for Secure Data Handling and Privacy Compliance

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VeryPDF vs Sejda: The Best HTML to PDF API for Secure Data Handling and Privacy Compliance

If you're building anything remotely seriousthink healthcare dashboards, client-side portals, invoicing systemsyou can't afford to mess around with sloppy HTML to PDF converters.

VeryPDF vs Sejda The Best HTML to PDF API for Secure Data Handling and Privacy Compliance

I've been down that road.

A few months back, I was knee-deep in a fintech project. Compliance was a big deal. We had to generate dynamic HTML invoices into PDFs on the flysecurely. Tried a few well-known tools, including Sejda, but we kept hitting walls: slow rendering, layout glitches, and privacy red flags.

That's when I found VeryPDF Webpage to PDF Converter API.

Let me break it down.

Why Developers Are Losing Sleep Over HTML to PDF Conversion

Ever tried to convert a beautiful HTML layout into a PDF... and watched the entire thing fall apart?

Margins go rogue.

Fonts reset.

Tables overflow.

Even worse, when you're handling client-sensitive datalike legal docs, insurance records, or payment detailsprivacy becomes non-negotiable.

So when your current tool doesn't support HIPAA compliance or throws your data into the cloud without telling you? That's a problem.

I needed something better.

How I Found VeryPDF (and Ditched Sejda in the Process)

I was bouncing between APIs trying to find one that checked all the boxes. Sejda was the first real contender.

But...

  • It couldn't consistently render modern CSS layouts.

  • No real control over page headers/footers.

  • And when I asked about data storage, the answers were vague at best.

That's not something you want to gamble on when handling confidential data.

Then I hit VeryPDF.

Clean docs. No fluff. HIPAA compliant. Didn't store my data unless I asked it to.

That was it.

Why VeryPDF's Webpage to PDF API Is a Game Changer

1. It Works Like Your Favourite Browser

VeryPDF's rendering engine is built on Google Chrome. Which means:

  • Full CSS3 support

  • Flexbox and Grid?

  • Custom fonts?

  • JavaScript-heavy content?

The moment I tested a page using Tailwind and Bootstrap side-by-side, it rendered pixel-perfect.

No hacks. No weird spacing. Just clean, high-fidelity PDFs.

2. Secure by Design

Here's the killer feature:

You control your data.

Unless you flip a setting, VeryPDF doesn't store anything. Not your PDFs, not your inputs.

And it's HIPAA compliant out of the box.

So yeahif you're in healthcare, finance, legal, or any field that can't afford leaks, this API has your back.

You can also use 128-bit encryption, lock access, and restrict rights on the generated PDFs. Try doing that with most other tools in the market.

3. Insane Speed + Parallel Conversion

I've generated thousands of PDFs per hour using their webhook system.

Each one landed in under two seconds. And when I needed to scale? Their parallel conversion system let me batch-convert multiple files in one gono lag, no bottlenecks.

It felt like cheating.

4. Custom Everything: From Paper Sizes to Previews

Most converters give you a handful of options. VeryPDF lets you fine-tune everything:

  • Custom paper sizes

  • Header/footer injection

  • Wait for custom elements (e.g. JS charts) before rendering

  • Add your own CSS or JS in the API call

And if you need website previews for your CMS or Open Graph images for social media?

Yep, it handles that too.

Use Cases I've Personally Tested

Here's where this tool absolutely shines:

  • Invoice generation (with dynamic client data, real-time HTML inputs)

  • Exporting charts from dashboards (Chart.js, D3.jsno issues)

  • Capturing clean previews of web pages (for marketing banners, internal review)

  • Generating Open Graph social cards (automated via CMS)

  • Archiving public pages for legal backup

Basically, if you can build it in HTML, VeryPDF can turn it into a perfect PDF.

Why VeryPDF Beats Sejda Every Time

Feature Sejda VeryPDF
HIPAA Compliant Unclear Fully Compliant
Chrome Rendering Engine Basic Google Chrome-level support
Custom Header/Footer Limited Fully Customisable
API Speed Sluggish at scale Sub-2s per document
No Data Storage by Default Not transparent Secure by default

Don't get me wrongSejda might be fine for hobby projects.

But if compliance, speed, and full control matter to you?

VeryPDF wins. Every time.

What Surprised Me the Most

  • How fast it was to integrate. I didn't need an SDKjust one clean RESTful call with my params.

  • The documentation wasn't bloated. It actually made sense.

  • The team was responsive. I had a specific requirement around grayscale PDF generation, and they gave me a working sample link in under 24 hours.

Honestly? That kind of support is rare.

Here's What I'd Tell Anyone Considering It

If you're building an app or service that:

  • Handles sensitive data

  • Needs fast, accurate HTML to PDF conversion

  • Requires customisation down to the pixel

Stop wasting time with second-rate tools.

I'd highly recommend giving VeryPDF a shot.

Click here to try it out for yourself:
https://www.verypdf.com/online/webpage-to-pdf-converter-cloud-api/try-and-buy.html

Custom Development Services by VeryPDF

Need something even more specific?

VeryPDF also builds custom tools from scratch.

Whether you're working on Windows, macOS, Linux, or cloud-native systems, they've got experience building PDF and document automation tools in nearly every major language:

  • Python, PHP, C/C++, .NET, C#, JavaScript

  • Web APIs, virtual printer drivers, OCR tools

  • Monitoring Windows print jobs and intercepting output

  • Generating PDFs, EMF, PCL, Postscript, TIFF, and more

They also handle barcode recognition, OCR table scanning, and digital signature integrations.

If you've got a tough technical challenge? VeryPDF will custom build a solution that fits your exact need.

Talk to them here: http://support.verypdf.com/

FAQs

1. Can I try VeryPDF without an account?

Yes. You can start testing the API right awayno sign-up needed.

2. Is my data stored on VeryPDF servers?

No. By default, nothing is stored. You have full control over whether you want to enable storage for up to one month.

3. Does VeryPDF support batch conversions?

Yes. You can schedule and run batch jobs with support for concurrent processing.

4. What happens if I hit my monthly usage limit?

Conversions continue as overages, which are billed separately based on your plan.

5. Is there an SDK or client library?

Not at the moment. But their REST API is super simple to use with any programming language.

Tags / Keywords

  • HTML to PDF API for Developers

  • Secure HTML to PDF Conversion

  • HIPAA Compliant PDF Generator

  • Webpage to PDF Converter API

  • VeryPDF vs Sejda

  • Custom HTML to PDF API

  • RESTful HTML to PDF API

  • PDF conversion for healthcare

  • Automated invoice PDF generation

  • Secure document rendering API

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