
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.

Bootstrap
React
Tailwind UI
DaisyUI
Bulma
Vue.js
Vercel
A utility-first CSS framework for rapidly building custom user interfaces.

Which is more popular?
Based on our record, Tailwind CSS seems to be a lot more popular than Utilorax. While we know about 1065 links to Tailwind CSS, we've tracked only 1 mention of Utilorax.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | utilorax.com | tailwindcss.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Pakistan · 1 - 9 employees · 2026 | Startup from the United States |
| 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 Tailwind CSS yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Utilorax — Free Online Tools
Why I Don't Like Tailwind CSS
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Utilorax and Tailwind CSS.
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 Tailwind CSS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Utilorax yet. Be the first one to post
Tailwind CSS comes with features such as responsive design, customizability, hover, focus, and active states out of the box. These enable developers to build sophisticated, interactive interfaces with ease. When it...
If you want to learn the valuable skill of Tailwind CSS, we highly recommend taking the "Tailwind CSS From Scratch" course by Brad Traversy on Udemy. In this introductory course, you will build great-looking layouts...
I use it in all my current projects. It's easy to start and very customisable. Love it so much! I improved the speed of development 2x times by using Tailwind.
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
Tailwind CSS, shadcn/ui, and Base UI for styling and accessible primitives without hiding the source behind a large component framework. - Source: dev.to / 22 days ago
Built with Next.js 16 (React 19), Bun, Tailwind CSS v4, and shadcn/ui on Base UI — scaffolded with create-notils and linted with Biome. - Source: dev.to / about 1 month ago
Go 1.26 standard library, modernc.org/sqlite for a pure Go SQLite, and solana-go for the RPC client, transaction building and the SPL Memo instruction. React 19, Vite 8, TypeScript 7 and Tailwind CSS 4 on the page. Alegreya and IBM Plex,... - Source: dev.to / about 1 month ago
When comparing Utilorax and Tailwind CSS, 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 Tailwind CSS:

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Compare Bootstrap to Utilorax or Tailwind CSS:

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


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 Tailwind CSS:

Beautiful UI components by the creators of Tailwind CSS.
Compare Tailwind UI to Utilorax or Tailwind CSS: