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

TinyPNG
Squoosh
Screaming Frog SEO Spider
iLoveIMG
Sitechecker
ImageOptim
Lumar
Free online tools for developers and site owners: compress and convert images to WebP/AVIF, PDF to images, text checker and a 400-point SEO audit. No sign-up.

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 | smallpdf.com | app-kit.dev |
| Pricing | ||
| Company | — | 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Smallpdf yet.
App-Kit is a set of free web tools for developers and site owners. Compress JPG, PNG and GIF to WebP or AVIF, convert HEIC, resize and crop, turn PDF pages into images, check a text for readability and keyword stuffing, and run a 400-point SEO audit that returns a 0-100 score and a PDF report. No...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of App-Kit.dev yet.
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.


Share your experience with using Smallpdf and App-Kit.dev. 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 App-Kit.dev 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
Tracking App-Kit.dev since Oct 2026.
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Compress and compare images with different codecs, right in your browser
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The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
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