
TinyPNG
iLoveIMG
iLovePDF
Squoosh
Smallpdf
CloudConvert
TinyWow
Free online image tools. Convert WebP, compress images, remove backgrounds, crop, rotate and edit photos. No signup, no watermark, instant results.

iLovePDF
Utilvo
Smallpdf
TinyWow
PDF24
123apps
CloudConvert
900+ free tools that run in your browser. No uploads, no sign-up.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | stackflowtools.com | utilz.net |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


StackFlow Tools is a free suite of 29 browser-based tools for creators, gamers, designers, and developers. Every tool runs 100% client-side. No file uploads, no server processing, no signup required, no watermark on downloads. Tools include image compressor, background remover, AI upscaler, AVIF...
utilz is a free collection of more than 900 browser tools: text tools, file converters, AI tools, games and more. Everything runs on your own device, so files are never uploaded to a server. No sign-up, no watermark, no daily limit, and it works on phones.
What each product offers, as listed by its team.


Possible disadvantages
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 utilz yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing StackFlow Tools and utilz.
utilz's answer:
Every tool runs inside your browser, so files are never uploaded to a server. That includes the AI tools: background removal, upscaling, transcription and text to speech all run on your own device. You also don't need to sign-up, everything is completely free and there is no daily limit.
utilz's answer:
Most free tool sites upload your files, cap how much you can do per day, add watermarks or push a paid plan. utilz does the same jobs for free with none of that, and because files stay on your device it's safe for private documents and photos. It also covers far more than one category, so PDFs, images, audio, video, conversions and calculations are all on one site.
utilz's answer:
Anyone who needs a quick task done without installing software or creating an account: students and teachers, office workers handling PDFs, people editing photos for online listings or social media, developers who need a formatter or converter, and anyone who cares about keeping their files private.
utilz's answer:
Most free tool sites make you upload your files, sign up, or wait through ads and daily limits for something a browser can do by itself. I wanted one place where every tool just works on the spot, keeps files on your own device, and is free without a catch.
utilz's answer:
Everything runs in the browser with WebAssembly and JavaScript.
Share your experience with using StackFlow Tools and utilz. For example, how are they different and which one is better?
When comparing StackFlow Tools and utilz, you can also consider the following products.

Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Compare TinyPNG to StackFlow Tools or utilz:


iLoveIMG is one of most powerful solution that comes with all the major tool you cloud want to edit images in bulk.
Compare iLoveIMG to StackFlow Tools or utilz:

Free online tools for PDF editing, QR codes, OCR, image editing, and unit conversion. All tools run in your browser — no uploads, no signup, 100% private.
Compare Utilvo to StackFlow Tools or utilz:


Compress and compare images with different codecs, right in your browser
Compare Squoosh to StackFlow Tools or utilz: