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Save disk space for ISOs

9 bytes removed, 11 April
ZAR
* '''Can be reverted?''' Yes, using the same tool. No data loss.
* '''Playable on Hardware?''' Yes - Open PS2 Loader.
* '''Playable on Emulators?''' Yes - PCSX2 (since v1.7.0-dev-5293)<ref>[https://github.com/PCSX2/pcsx2/releases/tag/v1.7.5293 v1.7.5293]</ref>
===CHD===
* '''Can be reverted?''' Yes, using the same tool (chdman).
* '''Playable on Hardware?''' No.
* '''Playable on Emulators?''' Yes - PCSX2 (since v1.7.0-dev-1156)<ref>Added in 1150 but wasn't built. 1156 is the first release with CHD support. [https://web.archive.org/web/20210416020418/https://buildbot.orphis.net/pcsx2/index.php?m=fulllistAutomated Pcsx2 builds]</ref>).
==PlayStation 3==
==Switch==
*There is a [https://github.com/Ryujinx/Ryujinx/pull/6045 pull request] for adding trimming XCI files feature to Ryujinx.
*Ryujinx allows loading .NSP files for updates and DLCs directly, without installing them to the NAND. In contrast, [https://github.com/yuzu-emu/yuzu/issues/9963 yuzu requires installation of these files to the NAND].
::See overview of formats [https://yuzu-emu.org/wiki/overview-of-switch-game-formats/ here].
 
===NSZ===
* '''Archive-quality dump?''' Yes
* '''Playable on Hardware?''' No
* '''Playable on Emulators?''' No
 
It is possible to merge the game base, update and DLCs on a single NSP with the tool [https://github.com/julesontheroad/NSC_BUILDER NSC_Builder] and compress it to NSZ
==Game Boy Advance / Nintendo DS / Nintendo 3DS==
===ZAR===
[https://github.com/xenia-canary/xenia-canary/pull/165 This Pull Request] adds support to [[xenia]] emulator for loading ZAR (ZArchive files) of a decrypted and extracted dump of XBOX 360 game. *The process is basically to dump your disc, extract files using your favorite tool, and create a ZAR file from it using ZArchive toolor [https://github. But for "com/xenia-canary/xenia-canary/pull/299 xenia-canary->create Zar package option].*For digital titles (Xbox 360 Demos, Video DLC and XBLA games" etc) you need to extract the contents from its containers using "[https://digiex.net/threads/wxpirs-extract-content-from-xbox-360-demos-video-dlc-and-arcade-game-containers.9464/ wxPirs]" and then use create a ZAR file from it using the "[https://github.com/Exzap/ZArchive/releases ZArchive]" tool<refor xenia-canary->create Zar package option[https://github.com/xenia-canary/xenia-canary/pull/165#issuecomment-1641099753 Xbox 360 Demos, Video DLC and XBLA games needs extraction before using ZArchive]</ref>.
=Other Tricks=
===NTFS Compression===
You can enable filesystem-level compression (like "NTFS Compression" in Windows) for the directory containing your ISOs/ROMs. This has a very noticeable space gain and doesn't affect the emulator's functionality. It's surprisingly more effective than many people would like to give this credit.
* '''Archive-quality dump?''' Yes
* '''Archive-quality dump?''' No (Removes data)
 
=See also=
*[[List of filetypes]]
=External links=
*[https://github.com/citra-emu/citra/issues/6013 CHD or ZArchive feature requests for citra]
*[https://github.com/RPCS3/rpcs3/issues/4021 CHD or ZArchive feature requests for RPCS3]
*[http://web.archive.org/web/20231127115239/https://github.com/yuzu-emu/yuzu/issues/10025#issuecomment-1493873239 CHD or ZArchive feature requests for yuzu and Ryujinx]
*[https://github.com/xemu-project/xemu/issues/129 CHD or ZArchive feature requests for xemu]
*[https://github.com/86Box/86Box/issues?q=is%3Aissue+is%3Aopen+format+label%3Afeature+ Various image format feature requests for 86Box]
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