
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.

SonarQube
CodeClimate
CodeFactor.io
ESLint
Snyk
Coveralls
SensioLabs Insight
Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Which is more popular?
Based on our record, Codacy seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | trexmi.com | codacy.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Portugal · 1 - 9 employees · 2012 |
| 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...
Codacy automates code reviews and monitors code quality on every commit and pull request reporting back the impact of every commit or pull request, issues concerning code style, best practices, security, and many others. It monitors changes in code coverage, code duplication and code complexity....
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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Using Codacy for automated code reviews
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Trexmi and Codacy.
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 Codacy. 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 Trexmi yet. Be the first one to post
Each of these tools offers unique advantages that make them compelling alternatives to SonarQube, depending on organizational goals, budgets, and technology stacks. Codeant.ai and Codacy provide user-friendly...
Codacy is a popular code analysis and quality tool that helps you deliver better software. It continuously reviews your code and monitors its quality from the beginning.
Secondly, while SonarQube offers security analysis, Codacy provides a more holistic approach to security, including features like supply chain security and secret detection out of the box. Added to this are Codacy’s...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Trexmi since Sep 2026.
I'm trying to use Codacy to review my code. One of the issues is regarding the use of the "setcookie" function. Source: almost 5 years ago
Does anyone have an example on how to get this conversion done on github actions where I can convert the *.coverage file into a *.xml file for uploading to codacy.com. Source: about 5 years ago
Online analysisFinally, if you want a simple way to analyze your code without having to manually configure everything locally, you can use an online code review service such as Codacy (shameless plug here). We already integrate some of... - Source: dev.to / over 5 years ago
When comparing Trexmi and Codacy, 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
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SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
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JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
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Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.
Compare CodeClimate to Trexmi or Codacy:

Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel
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Automated Code Review for GitHub & BitBucket
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