
Webpack
esbuild
Parcel
npm
RequireJS
stealjs
JSPM
Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.
CodeUtil.dev
SamToolkit
Base64Encode.dev
DevsBox
JSONFormatter.org
DevToolKit.site
CodifyFormatter.org
Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.
Which is more popular?
Based on our record, rollup.js seems to be more popular. It has been mentioned 68 times since March 2021.
Website, pricing, platforms and company facts side by side.
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CodeTray.dev
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| Website | rollupjs.org | codetray.dev |
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External articles and on-site reviews we used to compare the two products.

Rollup provides much simpler configuration over webpack 4 and has a host of pre-configured plugins that are a breeze to incorporate into your project. Rollup's also the fastest of the build tools period.
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Recommendations tracked on public social media and blogs since March 2021.

This article presents a bunch of ways how to find unused code, remove it, and configure tools and bundler to prevent dead code in the future. Sections for bundler are based on set of Vite, which under the hood delegates to Rollup in... - Source: dev.to / 4 months ago
The reality is simple: minification was never security. It's a size optimization that bundlers like esbuild, Webpack, and Rollup do by default. Variable renaming slows down human readers but LLMs read minified code like you read... - Source: dev.to / 7 months ago
Before addressing the solution, it's useful to contextualize the role of the bundler. In a modern frontend architecture, the bundler (such as webpack, rollup, or vite) has the task of traversing the application's dependency graph,... - Source: dev.to / 11 months ago
Tracking CodeTray.dev since Jun 2026.
When comparing rollup.js and CodeTray.dev, you can also consider the following products.

Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
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Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.
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An extremely fast JavaScript bundler and minifier
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29 free browser-based developer tools — JWT, regex, cron, timestamp converters, CSS generators, security checkers, and content generators. No sign-up required.
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Blazing fast, zero configuration web application bundler
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Base64 Encode and Decode Online
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