RendrLab
Offline viewer for your files
Free · Designed for iPad. Not verified for macOS.
Rendr is a simple, offline viewer for the React and web files you already keep on your device.
Open a folder of your .jsx, .tsx, and .html files through the Files app, and Rendr renders each one in a clean, full-screen preview using a built-in React + web runtime. There is no build step, no setup, and no servers. Everything happens on your device.
WORKS WITH YOUR OWN FILES
Rendr reads files from a folder you choose through the Files app. It has no catalog and no store, and it downloads nothing; it only shows the files that are already on your device.
• Pick any folder and Rendr lists the .jsx, .tsx, and .html files and subfolders inside it
• Nested folders are supported, with a tappable breadcrumb so you always know where you are
• Search within a folder and across your whole tree
• Sort by name or date modified
• Smart automatic icons from folder names (plus a custom icon and color for any item)
• Pull to refresh to pick up new files
• Add files to Rendr from other apps via the share sheet
• Universal: iPhone and iPad, with a split view on iPad
FULLY OFFLINE AND PRIVATE
Files are rendered in a sandboxed runtime that is blocked from all network access. Nothing is uploaded, nothing is downloaded, and nothing phones home. Rendr collects no data: no accounts, no analytics, no tracking. The folder you choose is read only on your device, and the app saves just a secure bookmark and your display preferences locally.
GOOD TO KNOW
• Rendr is offline by design. Files that try to load remote data or call the network won't fetch anything. Rendr is for previewing self-contained files you already have, not for browsing the web.
• It runs a fixed, built-in React + TypeScript + web runtime. Self-contained files render best; files that depend on external packages may not render in full.
• Rendr renders your files; it doesn't edit them.
Rendr is a focused, private way to preview the React and web files you already keep on your device.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Favorites no longer drops the favorite categorization after renaming
The developer, MATTHEW KIYOSHI HANAMOTO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- MATTHEW KIYOSHI HANAMOTO
- Size
- 7.9 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Matt Hanamoto