Rentool

A comprehensive Android toolkit for Ren'Py game modding: extract/create RPA archives, decompile RPYC scripts, compress game assets, and edit .rpy files directly on your device.

Features

Core Operations

Extract RPA Archives: Unpack Ren'Py game archives to access images, scripts, audio, and other assets Create RPA Archives: Package files and folders into RPA v3 format archives with optional auto-creation after compression Decompile RPYC Scripts: Convert compiled .rpyc files back to readable .rpy source scripts Compress Games: Reduce game size with multi-format compression (WebP for images, Opus for audio, H.265 for video) Edit .rpy Scripts: Built-in syntax-highlighted editor with Ren'Py language support

Compression Features

Image Compression: Convert PNG/JPG/BMP to WebP with lossless or quality-based compression (1-100%) Audio Compression: Convert OGG/MP3/WAV/FLAC to Opus with configurable bitrate Video Compression: Encode MP4/AVI/MKV/WebM to H.265 with quality presets Speed Control: Choose Fast/Average/Slow compression modes for different performance needs Selective Compression: Enable/disable specific media types, prevent empty operations

User Experience

Background Operations: Continue operations when app is minimized with persistent notifications Batch Processing: Extract multiple RPA files or decompile multiple RPYC files at once Multi-Select Support: Long-press to select multiple files or folders for batch operations Case-Insensitive Filtering: Handles uppercase extensions (.RPA, .RPYC) from Windows distributions Smart Directory Defaults: Output directory automatically defaults to the location of selected input files Accurate Progress Tracking: Real-time file counts, speed, ETA, and detailed failure reporting Auto-Update Checker: Notifies when new versions are available on GitHub

Requirements

Android 13 or higher (API 33+) MANAGE_EXTERNAL_STORAGE permission: Required for direct file system access POST_NOTIFICATIONS permission: Required for background operation notifications (Android 13+) Storage: Enough space for extracted/created/compressed archives Processing: Compression operations benefit from multi-core devices