Best Jsx File Apps

198+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

Out of 198+ jsx file apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Jsx File

HTML Viewer Q#2

HTML Viewer Q by Spica

Lite HTML file management tool
Strong Contender
πŸ”§ Utilities
4.3😐(1.5K ratings)
FreeAds
HTML Viewer Q screenshot 1
HTML Viewer Q screenshot 2
HTML Viewer Q screenshot 3
HTML Viewer Q screenshot 4

Easily manage and view local HTML files on your device. Import files via iTunes File Sharing, edit them, and utilize features like syntax highlighting and source text search for a streamlined workflow.

What We Love

  • πŸ‘ Great app
  • πŸ‘ Decent app
  • πŸ‘ Works well
  • πŸ‘ Useful tool

Room to Improve

  • πŸ› Crashes frequently
  • πŸ› Glitchy/unstable
  • πŸ”‹ High battery consumption
Htmllit - HTML Preview, Viewer#3

Htmllit - HTML Preview, Viewer by 明明 常

Preview JSX TSX & Markdown
Worth Considering
πŸ”§ Utilities
5.0(1 ratings)
FreeIn-App Purchases
Htmllit - HTML Preview, Viewer screenshot 1
Htmllit - HTML Preview, Viewer screenshot 2
Htmllit - HTML Preview, Viewer screenshot 3
Htmllit - HTML Preview, Viewer screenshot 4

View and preview HTML, JSX, TSX, and Markdown files directly on your iPhone or iPad. Enjoy elegant typography, responsive layouts, and automatic dark mode for a seamless viewing experience. Includes a built-in runtime for live React component previews.

More Jsx File apps to explore

4
JavaScript Coding Editor & IDE
JavaScript Coding Editor & IDE
JavaScript Coding Editor & IDE
Node.js Runtime: JS, TS & HTML
Free

This app is a powerful offline IDE for JavaScript and TypeScript development. It features a built-in compiler, console, and DOM WebView, allowing you to write, run, and debug code anywhere. Enhance your skills with tutorials, coding challenges, and an AI assistant.

Offline JavaScript and TypeScript executionBuilt-in compiler and consoleDOM WebView for web app development
πŸ› οΈ Developer Tools
(87)
free with in-app purchases
5
JavaScript Anywhere JSAnywhere
JavaScript Anywhere JSAnywhere
JavaScript Anywhere JSAnywhere
JS, HTML and CSS for everyone.
Free

This app provides a portable programming editor for web development on mobile devices. It allows users to write and preview JavaScript, HTML, and CSS code, with features like console logging and file sharing. It's designed for web engineers and designers needing a simple, on-the-go coding solution.

Write JavaScript, HTML, CSSInternal browser previewConsole logs and errors
πŸ”§ Utilities
(435)
ad-supported
6
myTextViewer
myTextViewer
myTextViewer
Any File Viewer: Code/Log/Text
Free

Instantly open and view any text, code, or log file. This app offers professional syntax highlighting and line numbers, making it ideal for professionals who need to access and read various file formats on the go. It supports numerous common file types and provides customizable viewing themes.

Open any text, code, or log fileSyntax highlighting for common formatsLine numbers display
πŸ“Š Productivity
(146)
free
7
ScriptWidget
ScriptWidget
ScriptWidget
Create widgets with JavaScript
Free
$0.99 | 100% OFF

Design custom widgets for iOS and macOS using JavaScript and a JSX-style syntax. This tool offers instant previews and multi-platform support without complex setup or external libraries. It's ideal for developers and creators who want to build personalized, lightweight widgets quickly and securely.

JSX-style scriptingInstant previewiOS and macOS support
πŸ› οΈ Developer Tools
(92)
free
8
Expo Go
Expo Go
Expo Go
by Nametag
Free

Build mobile applications using web technologies like JavaScript and React. This tool allows you to develop interactive experiences with gestures and graphics directly from your iOS device and computer. Some programming experience is recommended for optimal use.

Build apps with web technologiesInteractive gesture and graphics developmentJavaScript and React support
πŸ› οΈ Developer Tools
(3.2K)
ad-supported
9
PotoHEX - HEX File Editor
PotoHEX - HEX File Editor
PotoHEX - HEX File Editor
Inspect And Edit Any File
Free

This tool allows users to inspect and modify any file on their iOS device at the byte and character level. It supports numerous encodings, offers a wide range of checksum and hash calculations, and includes various encryption, compression, and encoding/decoding functionalities.

Byte and character level inspection/editingExtensive encoding supportChecksum and hash calculations
πŸ› οΈ Developer Tools
(13)
free with in-app purchases
10
Textastic Code Editor
Textastic Code Editor
Textastic Code Editor
Text, Coding, SFTP Client, SSH
Free
$9.99 | 100% OFF

A powerful text and code editor for mobile devices, offering syntax highlighting for over 80 languages, code completion, and formatting tools. It allows connection to various servers and cloud storage for seamless file management and editing.

Syntax highlighting for 80+ languagesSFTP, FTP, WebDAV, and Dropbox clientBuilt-in SSH terminal
πŸ› οΈ Developer Tools
(2.4K)
subscription
11
Web Inspector
Web Inspector
Web Inspector
Developer Console for Safari
Free

This app provides a suite of web development tools for Safari on mobile devices. Inspect and edit the DOM, view element styles, execute JavaScript commands, monitor network requests, and examine stored resources like cookies.

DOM inspection and editingElement style viewerJavaScript console
πŸ› οΈ Developer Tools
(128)
free
12
Extended File Info
Extended File Info
Extended File Info
See more about your file
Free

This utility allows users to view and modify detailed information about files on iOS devices. It supports checking file hashes like SHA256, MD5, and SHA1, and enables changes to creation/modification dates, names, and extensions. Files can be easily managed via drag and drop and accessed through the iOS Share menu.

View SHA256, MD5, SHA1 file hashesModify file creation and modification datesChange file names and extensions
πŸ“Š Productivity
(26)
free
13
Visual File Editor
Visual File Editor
Visual File Editor
A must have source code editor
Free

Edit various file types, including source code and PDFs, with advanced search and import/export capabilities. Optimized for iPadOS with keyboard support to enhance productivity.

Source code editingPDF viewing and editingAdvanced search by name, type, date
πŸ› οΈ Developer Tools
(19)
free with in-app purchases
14
JSBox - Learn to Code
JSBox - Learn to Code
JSBox - Learn to Code
Mobile JavaScript IDE
Free

This app is a mobile JavaScript IDE that allows users to learn and write JavaScript code. It provides tools to create native iOS utilities, widgets, extensions, and more, catering to both beginners and experienced developers.

Mobile JavaScript IDECreate native iOS utilitiesDesign widgets and keyboards
πŸ› οΈ Developer Tools
(75)
free with in-app purchases
15
Learn JavaScript Programming
Learn JavaScript Programming
Learn JavaScript Programming
Become a Javascript Programmer
Free

Master JavaScript programming from basic to advanced concepts. This comprehensive guide covers essential topics, projects, and tutorials to help you build dynamic web applications and websites. Learn to implement complex features and enhance user interactivity on the web.

Basic JavaScript ProgrammingObject-Oriented ProgrammingAdvanced JavaScript
πŸ“š Education
(346)
ad-supported
16
View Source
View Source
View Source
by Roman Tomjak
Free

Inspect the HTML, CSS, and JavaScript of any website directly on your device. Features syntax highlighting and search capabilities for easy code analysis. Can be used as a standalone tool or integrated with your browser.

View HTML source codeView CSS source codeView Javascript source code
πŸ”§ Utilities
(59)
free
17
Userscripts
Userscripts
Userscripts
User Script and Style Manager
Free

This open-source Safari extension allows you to run custom JavaScript and CSS code on any website. Enhance your browsing experience with personalized styling, automatic redirects, and ad-blocking.

Run custom JavaScriptInject custom CSSAutomatic page redirection
πŸ› οΈ Developer Tools
(165)
free
18
Hexer β€” Hex File Viewer
Hexer β€” Hex File Viewer
Hexer β€” Hex File Viewer
Inspect any file
$3.99

Inspect any file with a powerful hex viewer designed for iOS and iPadOS. Features include customizable color highlighting, advanced search and analysis tools, and seamless integration with the Files app for easy access to your documents.

Customizable byte highlightingAdvanced search with regexFile signature detection
πŸ› οΈ Developer Tools
(26)
paid
19
iEditor – Text Code Editor
iEditor – Text Code Editor
iEditor – Text Code Editor
Best source code editor
Free

A fast and simple text and source code editor for iPhone and iPad. It allows users to create, import, edit, and manage various file types with features like syntax highlighting, search/replace, and export options.

Create and import text/source code filesSyntax highlighting for C, Java, HTMLSearch and replace functionality
πŸ“Š Productivity
(179)
ad-supported
20
Spck Editor
Spck Editor
Spck Editor
JS Sandbox & Git Client
Free

A mobile code editor for JavaScript projects, offering Git integration and intelligent code completion for multiple languages. It allows for editing, committing, and running code directly on your device, with AI coding assistance.

JS Sandbox for on-the-go codingGit client for GitHub, Bitbucket, GitLabIntelligent code completion (HTML, JS, CSS)
πŸ› οΈ Developer Tools
(46)
free with in-app purchases