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

CloudConvert
FormatFlash
Convertify
FormatPic
File Converter
Convertio
iLoveIMG
Free online image and PDF converter — HEIC, WebP, AVIF, PNG, JPG and 20+ formats

Which is more popular?
Based on our record, Smallpdf should be more popular than ConvertifyApp.net. It has been mentioned 38 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | smallpdf.com | convertifyapp.net |
| Pricing | ||
| Company | — | Startup from Ukraine · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Smallpdf yet.
Free online image and PDF converter. Supports HEIC, AVIF, WebP, PNG, JPG, TIFF, BMP, GIF and 20+ formats. Batch up to 10 files, no signup, in-memory processing, powered by Rust and libvips.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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
Walkthroughs and reviews on video.
smallpdf tutorial video
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Smallpdf and ConvertifyApp.net.
ConvertifyApp.net's answer:
ConvertifyApp.net's answer:
ConvertifyApp.net's answer:
Built out of frustration with existing converters that require signup or add watermarks. Wanted a fast, private, no-nonsense tool. Chose Rust + libvips for performance — the hardest part was getting HEIC support working by building libheif 1.21.2 from source.
ConvertifyApp.net's answer:
iPhone users who need to convert HEIC photos, web developers working with WebP and AVIF formats, and anyone who needs fast batch image conversion without installing softwar
ConvertifyApp.net's answer:
Convertify is completely free with no signup required and no watermarks. Most converters either require registration, add watermarks, or are slow. Convertify is built with Rust + libvips for maximum speed, supports 20+ formats including HEIC, and automatically deletes files after 6 hours for privacy.
ConvertifyApp.net's answer:
No signup, no watermarks, no limits on format combinations. Built with Rust + libvips — one of the fastest image processing libraries available. Supports HEIC conversion which most browser-based tools struggle with. Files are automatically deleted after 6 hours, so nothing is stored permanently. Batch convert up to 10 images at once with quality and resize controls.
Share your experience with using Smallpdf and ConvertifyApp.net. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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:
We have no reviews of ConvertifyApp.net yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


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
If you found this useful, the Convertify tool pages are the ones with the newly-visible custom titles. - Source: dev.to / 2 months ago
Convertify is at convertifyapp.net. Free, no signup, no watermarks, batch up to 20 files. - Source: dev.to / 3 months ago
I run Convertify, a free image converter built on Rust and libvips. Last week I decided to stop guessing about format performance and actually measure it. I took 50 real images (26 PNGs, 24 iPhone HEIC photos), ran 17 conversions through... - Source: dev.to / 5 months ago
When comparing Smallpdf and ConvertifyApp.net, you can also consider the following products.


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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.
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Convert HEIC, JPG, PNG, and WebP images in seconds — free, private, no upload. All conversion happens locally in your browser.
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Convert your website to an iOS and Android app
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