
PDFShift
DocRaptor
PDFCrowd
pdflayer
HTML PDF API
PDF my URL
HTML2PDF.fr
PDF Generation API, powered by AWS Lambda. HTML to PDF | URL to PDF | Office Doc to PDF | Merge PDFs . Supports wkhtmltopdf, Headless Chrome, and LibreOffice. No rate limits and no file size limits.

NovoPsych
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures by secure link and review scored results, severity bands and reports.

Which is more popular?
Based on our record, Api2Pdf seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | api2pdf.com | clientforms.app |
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In their own words, as submitted to SaaSHub.


Api2Pdf.com is an easy-to-use REST API that gets you converting HTML to PDF in minutes. You don't need to worry about installing a PDF rendering engine on your local developer environment and wrangle with it when you deploy your web app to production. Api2Pdf is a wrapper for WKHTMLTOPDF,...
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures such as the PHQ-9, GAD-7 and DASS-21 by secure link and get scored results, severity bands and reports ready to review. The catalogue also includes DSM-5 ADHD assessments and autism screening tools....
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 Api2Pdf yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Generate PDFs from .NET with Api2Pdf.com
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Api2Pdf and ClientForms.app.
ClientForms.app's answer:
Frontend: Next.js 15 (React 19), Tailwind CSS Backend: Supabase (PostgreSQL, Row-Level Security) Authentication: Clerk Payments: Stripe Hosting: Vercel (Sydney region) Database hosting: Supabase (Australian data residency)
ClientForms.app's answer:
Psychologists who assess ADHD and autism. Typically private practice, solo or small group (1-5 clinicians), currently using paper forms and spending hours on admin per assessment. They want something that works and is secure.
ClientForms.app's answer:
Neurodivergent-first design. Most digital forms just replicate paper online. ClientForms is built specifically for ADHD and autism patients - progress bars with time remaining (helps with time blindness), softer colours instead of harsh white, sticky headers so you always know where you are. The forms are designed to reduce anxiety and improve completion rates.
ClientForms.app's answer:
Most clinical software treats patients as an afterthought. ClientForms is designed specifically for neurodivergent users who are filling out the forms, progress indicators, time estimates, calmer colours, predictable layouts. One link, no signup required, works on any device. Patients just open and complete.
Share your experience with using Api2Pdf and ClientForms.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


My colleague and I built api2pdf.com and launched in 2018. It was a massive amount of upfront work requiring sleepless nights and weekends for months on end because launching a SaaS involves way more than just the software component. Source: almost 4 years ago
It might be easiest to use something like api2pdf.com to convert the HTML to PDF using a simple REST API call instead of trying to wrangle wkhtmltopdf or headless chrome inside serverless functions on Netlify or Google Cloud. That can... Source: over 4 years ago
I built api2pdf.com - there was a massive upfront effort to build the product, infrastructure, marketing, everything you need to create a real business and a reliable, high quality service. Source: over 5 years ago
Tracking ClientForms.app since Dec 2025.
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NovoPsych is a tool that is used for outcome monitoring via conducting psychological tests online.
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As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
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Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
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Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
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Easily generate PDF documents from HTML code with our powerful API
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