
JSONFormatter.org
JSONLint
CodeBeautify
FreeFormatter
10015.io
DevPicker
DevSolvev2
Browser-based developer tools for JSON, text, encoding, hashing, DNS and SEO tasks. No account needed.

Sauce Labs
BrowserStack
browserling
TestMu AI (Formerly LambdaTest)
Browsershots
Litmus
MultiBrowser
Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.

Which is more popular?
Based on our record, CrossBrowserTesting seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | trexmi.com | crossbrowsertesting.com |
| Pricing | ||
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


Trexmi is a collection of 227 focused developer utilities that run in the browser, with no account required for everyday use. Most tools process data locally: JSON formatting, validation, sorting and conversion; text transforms, counters and extraction; Base64, URL and HTML encoding; hashing and...
No description of CrossBrowserTesting yet.
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 Trexmi yet.
Overall verdict
Why this product is good
Recommended for
This service is highly recommended for software development teams, QA engineers, and web developers who need to ensure compatibility and functionality of their web applications across multiple browsers and devices. It is particularly useful for organizations with a focus on maintaining high-quality user experiences across various platforms.
Walkthroughs and reviews on video.
No Trexmi videos yet. You could help us improve this page by suggesting one.
Cross Browser Testing Tool Comparison – LambdaTest vs. CrossBrowserTesting
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Trexmi and CrossBrowserTesting.
Trexmi's answer
Two things. First, most tools run entirely in the browser — JSON, text, encoding, hashing and regex never send input to a server, so there is no upload step and no round trip. Second, every utility has its own page with worked examples and notes on edge cases, rather than a single dashboard hiding 200 tools behind a dropdown. Its text-processing core has been extracted and released separately under MIT.
Trexmi's answer
If the work is a one-off format or decode, most established tools handle it fine. Trexmi is a better fit when the data should not leave the machine, when the payload is large enough that a server round trip is noticeable, or when the task is newer than the incumbents cover — MCP tool schemas, OpenAI function schemas, JSON to Zod or Pydantic, cURL conversion. It is also signup-free with no daily limits on local tools.
Trexmi's answer
Developers and technical staff doing everyday data work: inspecting API responses, converting between formats, generating types from JSON, decoding tokens, checking DNS and TLS, and validating sitemaps or structured data. Also people building on LLMs who need tool schemas and token estimates.
Trexmi's answer
It started as a set of scripts kept around for repeated tasks — formatting JSON, converting feeds, cleaning text — and turned into a site once the same problems kept coming back. The processing later moved from the server into the browser, which removed the latency and meant the data no longer had to be trusted to anyone. That port was verified byte for byte against the original PHP and released as an open-source library.
Trexmi's answer
PHP on the server, vanilla JavaScript on the client with no framework, WordPress as the content and routing layer. Browser-side processing uses standard platform APIs — Intl.Segmenter for grapheme handling, TextEncoder for UTF-8, Web Crypto where hashing is done locally.
Share your experience with using Trexmi and CrossBrowserTesting. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Trexmi since Sep 2026.
Yeah I moved on pretty quick from browserstack, but it seems to be the most popular. I've tried crossbrowsertesting.com but at the moment I really like app.lambdatest.com. Source: almost 4 years ago
Https://geizhals.de/ - this is a german site but the UI is nice and you can find a lot of stuff. Https://www.gsmarena.com/search.php3? - a phone search site. When I was at https://crossbrowsertesting.com we used this site a... - Source: dev.to / over 4 years ago
Fortunately we don’t need to install, nor configure, any other tools, unless maybe some fancy reporters, but for now we can get everything we need in terms of end-to-end automated testing out of Nightwatch. Besides Chrome, Nightwatch has... - Source: dev.to / over 4 years ago
When comparing Trexmi and CrossBrowserTesting, you can also consider the following products.

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
Compare JSONFormatter.org to Trexmi or CrossBrowserTesting:

Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Compare Sauce Labs to Trexmi or CrossBrowserTesting:

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
Compare JSONLint to Trexmi or CrossBrowserTesting:

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
Compare BrowserStack to Trexmi or CrossBrowserTesting:

Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel
Compare CodeBeautify to Trexmi or CrossBrowserTesting:

Live interactive cross-browser testing from your browser.
Compare browserling to Trexmi or CrossBrowserTesting: