
PDFShift
DocRaptor
CloudConvert
iLovePDF
PDFRise
PDFLoom
conv2pdf
High-Performance File Conversion API

iLovePDF
Adobe Acrobat DC
Sejda
PDF24
PDF24 - Online PDF Tools
CloudConvert
TinyWow
PDF document management and conversion suite

Which is more popular?
Based on our record, Smallpdf seems to be more popular. It has been mentioned 38 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | convertapi.com | smallpdf.com |
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ConvertAPI and Smallpdf. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Do you often need to merge multiple smaller PDF files to create a consolidated PDF file? ConvertAPI makes this process easier for developers by helping them combine multiple PDF files into one document. As you use...
Smallpdf is a well-known online PDF platform with a clean interface. It works entirely in the browser and integrates with Google Drive and Dropbox, making it convenient if you store files in the cloud. The free tier...
Users highlight Docpose.cloud’s reliability—no failed conversions even on rare formats. CloudConvert gets praise for quality tweaks but frustrates with daily resets. iLoveIMG is loved for extras like AI, but free...
Platforms like iLovePDF and Smallpdf are among the most popular choices. They do a decent job for simple PDFs, but I quickly realized a few issues:
Recommendations tracked on public social media and blogs since March 2021.


Tracking ConvertAPI since Dec 2023.
According to statistics from smallpdf.com, by 2025, there will be a massive 2.5 trillion PDF documents stored worldwide, and 290 billion new PDF documents will be created every year. - Source: dev.to / 11 months ago
Smallpdf [1] probably deserves a mention here. Not OSS and not self-hosted, but I‘ve used it occasionally and it has always worked really well. When I was running an agency, we inherited their first office – very cool folks. [1]... - Source: Hacker News / almost 3 years ago
And use this one to merge two single-page pdf to make a double side page. Source: almost 3 years ago
When comparing ConvertAPI and Smallpdf, you can also consider the following products.

Convert any HTML documents to high-fidelity PDF using a single POST request
Compare PDFShift to ConvertAPI or Smallpdf:


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
Compare DocRaptor to ConvertAPI or Smallpdf:

Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Compare Adobe Acrobat DC to ConvertAPI or Smallpdf:

convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.
Compare CloudConvert to ConvertAPI or Smallpdf:
