
calculator.net
Omni Calculator
Material Unit Converter
10015.io
IT Tools
CodeBeautify
iLovePDF
1,164 free online calculators, converters and tools — finance, health & math calculators, 652+ unit converters, plus text, PDF, image, SEO and QR tools. Fast, private, no sign-up.

CSS Peeper
Tailwind CSS
Unused CSS finder
Purgecss
CSS Dig
User CSS
Unused CSS
A simple CSS property viewer

Which is more popular?
Based on our record, CSSViewer should be more popular than Utilorax. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | utilorax.com | chromewebstore.google.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Pakistan · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Utilorax is a collection of 1,100+ free online tools: 116 calculators, 652 unit converters, and 394 text, developer, SEO, image, PDF and template utilities. Everything runs inside the browser. Files are processed locally and are never uploaded to a server, so PDFs, images and documents stay on...
No description of CSSViewer yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Utilorax — Free Online Tools
No CSSViewer videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Utilorax and CSSViewer.
Utilorax's answer
Two things. First, most of the tools never send your data anywhere — 63 of the file tools run entirely in your browser, and the ones that do need a server (certain PDF and Office conversions) delete the file the moment they are done. Second, the same operations are available as a free JSON API with 203 endpoints, which almost no free tools site offers.
Add to that 1,162 tools in one place, no account for anything, five languages, and it installs as a PWA and keeps working offline.
Utilorax's answer
The competitors listed here are each good at one thing — Calculator.net and Omni for calculators, IT Tools and CodeBeautify for developer utilities, 10015.io for the everyday mix. Utilorax covers that whole span in one place, so you are not learning a new site for each small job.
The real difference is the developer API. If you need a conversion or a hash once, use the page; if you need it a thousand times, the same thing is a JSON endpoint with a free key. And nothing asks you to sign up first.
Utilorax's answer
Two groups. Most visitors want a single answer and then to leave — convert a unit, work out a loan payment, compress a PDF — and they should not have to create an account for that.
The second group is developers, who reach the same operations through the JSON API instead of the page. The site is in English, Spanish, French, Portuguese and Chinese, so a good part of the audience is not reading in English.
Utilorax's answer
It came out of irritation. I kept opening a different site for every small job — one for a unit conversion, one to compress an image, one to count words — and most of them wanted an upload or a sign-up for something my own browser could do perfectly well.
So I built the whole set in one place and made the browser do the work wherever it could. It went live on 29 July 2026 and is run from Karachi.
Utilorax's answer
Share your experience with using Utilorax and CSSViewer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Preg_match_all('~^\s*Sitemap:\s*(\S+)~mi', $robots, $sm); $ours = 'https://utilorax.com/sitemap.xml'; $foreign = array_filter($sm[1], fn($u) => rtrim($u) !== $ours); If (!in_array($ours, $sm[1], true)) { $problems[] = 'robots.txt... - Source: dev.to / 26 days ago
The "CSS Viewer" Chrome extension is a handy tool for JavaScript developers seeking to inspect and analyze CSS styles on web pages. With a simple click on the extension's icon in the Chrome toolbar, it provides a user-friendly interface... - Source: dev.to / over 3 years ago
CSS Viewer is a simple but very effective Chrome extension for web developers. As its name implies, this addon shows you the CSS properties of a given page wherever you hover your mouse. A small popup window appears showing you the CSS... - Source: dev.to / over 4 years ago
1 - CSSViewer : It allows to show the CSS properties of element on any webpage, you just hover your mouse on it . A small window appears showing you the CSS data . - Source: dev.to / over 4 years ago
When comparing Utilorax and CSSViewer, you can also consider the following products.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Compare calculator.net to Utilorax or CSSViewer:


Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to Utilorax or CSSViewer:

A utility-first CSS framework for rapidly building custom user interfaces.
Compare Tailwind CSS to Utilorax or CSSViewer:

Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units.
Compare Material Unit Converter to Utilorax or CSSViewer:

Crawl your website and find unused CSS
Compare Unused CSS finder to Utilorax or CSSViewer: