
CaseConverter.cc
WordCounter.net
Word Counter
SmallSEOTools
Convert Case Tool
A.Tools
Word Count Tools
Instantly convert text to UPPERCASE, lowercase, Title Case, sentence case, and more - free, fast, and no sign-up required.

SmallDevTools
DevToys
CyberChef
CodeSwissKnife
Cryptii
DevToys for Mac
iLovePDF
30 free developer and SEO tools that run in your browser

Which is more popular?
Based on our record, Convert Case seems to be more popular. It has been mentioned 49 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | convertcase.net | devtoolcore.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United Kingdom · 1 - 9 employees · 2006 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Convert Case is a free, browser-based toolkit offering 100+ utilities for working with text, images, and code. No account, no install - just open a tool and get the job done. Text tools Reformat any text into your desired capitalization style instantly - UPPERCASE, lowercase, Title Case, sentence...
DevToolCore is a collection of 30 free browser-based tools for developers and SEO practitioners. The JSON tools format, validate, and minify payloads. The PDF tools compress documents to exact size limits for upload portals and count words without uploading the file. Image tools hit exact KB...
What each product offers, as listed by its team.


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


As answered by people managing Convert Case and DevToolCore.
Convert Case's answer
Convert Case's answer
Convert Case combines 100+ text, image, and code tools in one clean, distraction-free interface. Everything runs in the browser instantly, with no account, no installation, and no cost. It's built for speed - open it, use it, done.
DevToolCore's answer:
Thirty utilities in one place, all running locally in the browser, with no accounts anywhere.
Convert Case's answer
Most competitors focus on a single tool or clutter their interface with ads and upsells. Convert Case offers a full suite of 100+ utilities under one roof, completely free, with a consistent and intuitive experience across every tool.
DevToolCore's answer:
One bookmark replaces a dozen single-purpose sites, and nothing you paste into it gets uploaded.
Convert Case's answer
Anyone who works with text, images, or code regularly - writers, bloggers, developers, students, marketers, and content creators. If you've ever manually retyped text just to change its formatting, Convert Case was built for you.
DevToolCore's answer:
Developers and SEO practitioners who need quick utility work without installing anything.
Convert Case's answer
Convert Case started in 2006 as a simple text case converter and grew organically into a full toolkit as users asked for more utilities. The goal has always been the same: give people fast, reliable tools without the friction of sign-ups, paywalls, or bloated interfaces.
DevToolCore's answer:
It grew out of small recurring needs, cleaning up JSON or hitting a portal's PDF size cap, and a preference for tools that keep files in the browser.
Convert Case's answer
Convert Case is built with PHP and modern web technologies, with all processing handled client-side in the browser where possible to keep things fast and private.
DevToolCore's answer:
A Java backend serving a static client. Every tool's logic runs client-side in JavaScript.
Share your experience with using Convert Case and DevToolCore. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Hi HN, Simple online tools on the web have become unnecessary greedy. For example, * https://jsonformatter.org/ displays 7 ads on page load * https://convertcase.net/ had 4 ads plus a Google Vignette. And many more sites do the same... - Source: Hacker News / about 2 years ago
Even YC VCs don't understand that founders who take investment still have to shift their goal from "making a great product" to "exponentially growing their product" which in most cases is at odds with just "making a great product"... - Source: Hacker News / over 2 years ago
Https://convertcase.net/ - Approx $20k/month. Been going for years and keep on building on it. - Source: Hacker News / over 2 years ago
Tracking DevToolCore since Aug 2026.
When comparing Convert Case and DevToolCore, you can also consider the following products.

Case Converter is a free, open-source online tool for converting text to lowercase, uppercase, title case, capital case, or sentence case.
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Handy developer tools with a delightful interface
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Count words, sentences, paragraphs etc.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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A simple, beautiful word and character counter
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