Patcher — Xdelta Online

| Feature | Command-line XDelta | Online Patcher | |---------|--------------------|----------------| | Installation | Required (or portable exe) | None – browser only | | OS support | Windows, Linux, macOS | Any OS with a modern browser | | Speed | Very fast (local CPU) | Depends on upload/download + browser speed | | File size limit | Unlimited (disk space) | Typically 1–5 GB (browser & server limits) | | Privacy | Fully local | File is uploaded to a server (unless fully client-side) |

Overview

| Method | File Size Efficiency | Speed | Ease of Use | | :--- | :--- | :--- | :--- | | | Excellent (Bytes/KB) | Medium (CPU heavy) | Medium | | IPS / UPS | Good (Small patches) | Fast | High | | BSdiff | Excellent | Very Slow | Low | | Full File Hosting | Terrible (4GB download) | Fast (CDN) | High | xdelta online patcher