
Apryse
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APITemplate.io
PSPDFKit is the best framework for working with PDF files. Our SDK provides first-rate PDF solutions for your application with features like annotating, signing, and form filling. We power successful projects for businesses across the globe.

PDFShift
DocRaptor
pdflayer
PDFCrowd
Api2Pdf
HTMLEmail.io
PDF my URL
Developer-first file conversion and website capture API: 300+ format pairs across documents, images, audio, and video, plus pixel-perfect HTML-to-PDF rendering. Plain REST, no SDK required. 100 free conversions a month, files up to 1 GB.

Which is more popular?
Based on our record, PSPDFKit seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | pspdfkit.com | converterer.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Australia · 1 - 9 employees · 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of PSPDFKit yet.
Converterer (formerly Paperplane) is a REST API for file conversion and website capture, built for developers and no-code workflows. File conversion: convert documents, spreadsheets, presentations, images, audio, and video across 300+ format pairs: DOCX to PDF, PDF to DOCX, XLSX to CSV, PNG to...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of PSPDFKit yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
5 min Presentations *** Sponsored by PSPDFKit
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Video Review Paperplane New Era 9FIFTY Snapback Cap
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing PSPDFKit and Converterer.
Converterer's answer:
Two APIs under one plan and one allowance: file conversion across 300+ format pairs (documents, spreadsheets, presentations, images, audio, video) and website capture that renders any URL as a print-ready PDF with a real headless Chromium engine. Pricing is flat per conversion, so a 900 MB video costs the same as a 40 KB document, where most competitors bill credits or processing minutes that scale with file size. And there is no SDK to install: it is plain REST you can drive from cURL.
Converterer's answer:
Predictable cost and less integration work. Flat per-conversion pricing with files up to 1 GB on every plan means no surprise bills when documents get heavy. The free tier is a real recurring allowance, 100 conversions every month with no card, rather than a one-time trial. Integration is one POST request with HTTP Basic auth, HMAC-signed webhooks instead of polling, and delivery straight into your own storage bucket if you want it. The capture engine has been rendering PDFs in production since 2018, and we publish sourced, dated comparisons against competitors on our own site, including the cases where they are the better fit.
Converterer's answer:
Developers adding file conversion or document rendering to their products (invoices, reports, archives, media processing), and operations or no-code builders automating the same jobs through Zapier, Make, n8n, Power Automate, or Workato. Typical users are SaaS teams generating documents at scale and teams replacing self-hosted conversion stacks they no longer want to operate.
Converterer's answer:
Converterer started in 2018 as Paperplane, a focused HTML-to-PDF API built on headless Chrome. Customers kept asking for conversions that had nothing to do with HTML: DOCX to PDF, HEIC to JPG, MP4 to GIF. So the platform grew past its name, and in May 2026 it relaunched as Converterer: the same team and rendering engine, expanded to a full file conversion API with 300+ format pairs alongside the original website capture.
Converterer's answer:
Website capture runs on a real headless Chromium engine, so output matches what desktop Chrome renders, including web fonts, Flexbox, Grid, and JavaScript-heavy pages. The API itself is plain REST over HTTPS with HTTP Basic authentication and HMAC-signed webhooks, and output delivery integrates with standard object storage (S3-compatible, Google Cloud Storage, Azure).
Share your experience with using PSPDFKit and Converterer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


PSPDFKit's GdPicture.NET Library is a cross-platform SDK, encompassing OCR, data extraction, editing, PDF conversion, barcode generation, scanning, and more. With its rich API, developers quickly add PDF, imaging, and...
This article introduces the five best JavaScript PDF viewers to meet your needs. We cover popular open-source options like PDF.js and React PDF, as well as three commercial choices: ComPDFKit for Web, PSPDFKit for...
PSPDFKit provides support for generating, editing, and collaborating on commercial-grade PDFs. It has very strong performance and provides deep support with a diverse range of features. However, it comes at a premium...
We have no reviews of Converterer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


For a commercial solution check out https://pspdfkit.com/. Full disclosure, I am a Solutions Engineer for the company. I’m happy to answer any questions you have. Source: over 3 years ago
Never touched it but there’s something called PSPDFKit. Source: almost 4 years ago
The team at PSPDFKit, who make this app, is one of the most knowledgeable teams when it comes to PDF content that I've ever interacted with. Source: almost 5 years ago
Tracking Converterer since Mar 2021.
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