What is the KLWP file format?
A .klwp file is a preset for KLWP Live Wallpaper Maker, an Android app from Kustom Industries that builds animated, interactive home-screen wallpapers. Under the hood the file is a ZIP archive, which is why the same download often appears as .klwp.zip. Both names point to identical content, and the app reads either one.
Inside the archive sits a preset definition written in JSON, plus folders for the fonts, bitmaps and GIFs the wallpaper uses. The JSON holds the module tree: layers, text, shapes, colors, animation settings and Kustom's formula language. Because those formulas can react to time, weather, battery, music and touch, a .klwp preset behaves more like a tiny program than a fixed picture. The same container design is shared across the Kustom suite, including .kwgt widgets and .klck lock screens.
Security & safety
RISK: LOWA .klwp file is a ZIP archive of JSON settings and media assets, not executable code, so it cannot run native programs on your device. The main caution is that presets can pull in fonts, images or GIFs and some use web or location data, so download presets from reputable community sources. Only KLWP itself interprets the file, and importing external presets requires the paid Pro key.
Format details
in a nutshellPrograms that open KLWP files
Windows1 app
7-Zip
Open-source Rename the file to end in .zip (or open the .klwp.zip directly) and extract it to read the preset JSON and see which fonts and images the wallpaper bundles; you cannot render the wallpaper on Windows. 
macOS1 app
The Unarchiver
Free Rename the preset to .zip and extract it to inspect the internal JSON and asset folders; the wallpaper itself only runs inside KLWP on Android. 
Linux1 app
unzip
Open-source Run unzip on the file (rename to .zip if needed) to extract the preset JSON and resources for inspection; there is no Linux renderer for the wallpaper. 
Android2 apps
KLWP Live Wallpaper Maker
Freemium Install the app, place the file in the Kustom/wallpapers/ folder, then open Load Preset and pick it from the SD card section, or use Load Preset > folder > Import (external import needs KLWP Pro).
Any file manager or unzip app (to inspect contents)
Freemium Rename the preset to end in .zip and open it with RAR or another archive app to view the internal preset JSON and bundled fonts, bitmaps and GIFs. Technical details
deep spec| Encoding | Binary ZIP archive wrapping UTF-8 JSON and binary asset files |
| Byte order | N/A (ZIP container) |
| Container | ZIP (PKZIP) archive; commonly seen with the double extension .klwp.zip, which is identical to .klwp |
| Compression | ZIP deflate; the preset JSON and assets are packed together |
| Typical size | Tens of KB to several MB depending on bundled images, fonts and GIFs |
| Structure | A ZIP archive holding a preset.json (module tree with layers, formulas, colors, fonts and animation settings) plus resource sub-folders such as fonts, bitmaps and gifs referenced by the preset. |
| Integrity | Relies on the standard ZIP CRC-32 per entry; no additional signing |
| Platforms | Android |
| Notes | KLWP shares its container design with the rest of the Kustom suite: .kwgt (widgets), .klck (lock screens) and .komp (komponents) use the same ZIP-plus-JSON layout. Presets are stored on the device under Kustom/wallpapers/ and can require KLWP Pro to import external files. |
| Released | 2015 |
| Latest version | KLWP 3.x preset format |
| Specification | docs.kustom.rocks |
KLWP conversions
Community Q&A
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