
Hoverify
CSS Scan Pro
Tailscan for Tailwind CSS
CSS Scan
CSS Peeper
Responsively
Plasmo
14-in-1 browser extension developers and designers love.

iLovePDF
Smallpdf
PDF24
LlamaPDF
ConverterForAll
OnlineToolHubs
Calculate Pilot
56 free browser-based tools for images, PDFs, videos, and more. No upload, no signup, no limits — your files never leave your device.
Which is more popular?
Based on our record, SuperDev Pro seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | superdevpro.com | convertful.app |
| Pricing | ||
| Platforms | — | |
| Company | 2022 | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


SuperDev Pro is a 14-in-1 browser extension 🧩 that helps developers and designers find and fix UI issues on any website 3x faster, used by 6000+ professionals around the world to ship world-class websites.
Convertful is a free online file converter with 56+ tools for images, PDFs, videos, and developer utilities. Unlike iLovePDF, Smallpdf, or CloudConvert, everything on Convertful runs entirely in your browser — no files are ever uploaded to a server. Why Convertful? 100% Private — Your files never...
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 SuperDev Pro yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SuperDev Pro and Convertful.app.
Convertful.app's answer:
Everything runs entirely in the user's browser. Unlike every major competitor (iLovePDF, Smallpdf, CloudConvert), files are never uploaded to a server. This means instant processing, complete privacy, and zero file size restrictions — all powered by WebAssembly and browser APIs.
Convertful.app's answer:
Competitors upload your files to their servers, charge $7-21/month for full access, and impose daily limits on free tiers. Convertful processes everything client-side, so it's faster, more private, and completely free. No account required to start using tools.
Convertful.app's answer:
Anyone who needs to convert, compress, or edit files quickly — freelancers, designers, developers, students, small business owners, and content creators who value privacy and don't want to pay for basic file operations.
Convertful.app's answer:
We got tired of paying monthly subscriptions just to compress a PDF or convert an image. Every competitor uploads your files to their servers, which is slow, expensive to run, and a privacy concern. We realized modern browsers are powerful enough to handle all of this locally — so we built Convertful to prove that file conversion can be free, instant, and private.
Convertful.app's answer:
Next.js, React, TypeScript, WebAssembly (FFmpeg for video, Tesseract.js for OCR), Canvas API, Web Crypto API, pdf-lib, Tailwind CSS. Hosted on AWS.
Share your experience with using SuperDev Pro and Convertful.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


A chrome extension of 17 tools(https://superdevpro.com) in one and my plan to add 30+ tools by this year. - Source: Hacker News / about 1 year ago
Tracking Convertful.app since Apr 2026.
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