ZArchiver, SAI & AntiSplit-M vs. Browser XAPK Conversion: Which Method Should You Use?
When Android users and developers need to install or convert an .xapk or .apks archive without installing heavy third-party store clients, four tools come up repeatedly: ZArchiver, SAI (Split APKs Installer), AntiSplit-M, and browser-based XAPK to APK converters like xapktoapk.com. While all four handle Android archive containers, they do fundamentally different jobs under the hood.
1. Why Extracting base.apk in ZArchiver Fails on Modern Split Apps
Thousands of tutorials instruct users to open an .xapk in ZArchiver, extract base.apk, and tap install. That method worked back in 2018 when an .xapk only contained a single monolithic APK plus an Android/obb/ folder. Today, however, over 85% of Android apps use Dynamic Delivery Split APKs.
If you use ZArchiver to extract only base.apk from a split bundle, it fails because ZArchiver is a file archiver, not a binary APK compiler—it does not merge config.arm64_v8a.apk into base.apk, does not patch isSplitRequired="true" inside the binary AndroidManifest.xml, and does not re-sign the modified package. Note that while ZArchiver's built-in "Install" menu can invoke Android's multi-package installer session on some phones, it still does not produce a standalone .apk file that you can share, archive, or sideload onto an Android TV or emulator.
2. How SAI (Split APKs Installer) Differs from an APK Merger
SAI is a respected open-source Android utility that uses Android's PackageInstaller.Session API to feed multiple .apk splits to the operating system at the same time. However:
- SAI installs split archives onto the current phone, but it cannot merge a split .xapk into a single standalone .apk file.
- On Xiaomi phones running MIUI or HyperOS, SAI frequently fails unless you disable MIUI Optimization (which resets app permissions across your phone).
3. AntiSplit-M vs. Browser-Based Conversion (xapktoapk.com)
AntiSplit-M is an open-source Android app designed to merge split APKs on-device, whereas xapktoapk.com runs directly in your browser across Android, Windows PC, macOS, Linux, and ChromeOS with zero app installation required.
| Capability | xapktoapk.com (Browser) | ZArchiver | SAI (Split Installer) | AntiSplit-M |
|---|---|---|---|---|
| Outputs a Single Standalone .APK? | Yes (Merged + Signed) | No (Unzips only) | No (Installs splits only) | Yes |
| Requires Installing an App First? | No (Runs in Browser) | Yes (Android only) | Yes (Android only) | Yes (Android only) |
| Works on Windows PC, Mac & Chromebook? | Yes (All OSs) | No | No | No |
| Patches isSplitRequired & V1+V2 Signs? | Yes | No | N/A | Yes |
| Handles .OBB Expansion Extraction? | Yes (OBB Tool) | Yes (Manual copy) | Limited | Splits only |
When to Use Each Tool in Your Workflow
- Use xapktoapk.com whenever you want a single, permanently merged, v1+v2 signed .apk without installing any helper app on your phone, or when working on a Windows PC, Mac, Chromebook, or Android TV.
- Use ZArchiver (paired with Shizuku on Android 13–15) when you need to copy an extracted .obb expansion file into /sdcard/Android/obb/<package>/ on your phone without a computer.
- Use SAI when you want to export an installed split app from your own device into an .apks backup archive.