OpenAnyFile
What is a .litematic file?
Litematica Schematic is a game format developed by masa (Litematica mod), first released in 2018. It is usually created by Litematica mod.
Gzipped NBT with named regions and block counts, used for building-guide overlays.
File details
| Full name | Litematica Schematic |
|---|---|
| Category | Games & mods |
| MIME type | application/x-minecraft-nbt |
| Signature (magic bytes) | 1F 8B (gzip) |
| Developer | masa (Litematica mod) |
| Introduced | 2018 |
| Opens with | NBT decoder |
| Uploaded? | No — read locally in your browser |
How to open a .litematic file
OpenAnyFile routes .litematic files to its NBT decoder, which shows the tag tree, readable.
- Drop your .litematic file on the box above, click it to choose the file, or paste it with Ctrl+V.
- The real format is detected from the file's first bytes — not just its name.
- The file opens in the NBT decoder.
- Use fullscreen for a closer look, check its checksums, or download it back unchanged.
What works — and what does not
Works
Viewing and inspecting: the tag tree, readable. Size, type, signature and checksums are always shown.
Does not work
Editing and saving back. OpenAnyFile is a viewer, not an editor — for changes you still need the original app.
Is it safe to open a .litematic file online?
Here, yes — because nothing is uploaded. Most "online viewers" send your file to their server. OpenAnyFile reads it with your browser's File API and decodes it on your own device, so there is no copy anywhere else. You can check: open your browser's network tab while opening a file — no upload appears.
Questions about .litematic files
Can I open a .litematic file without installing software?
Yes. OpenAnyFile opens .litematic files in your browser using its NBT decoder. You get the tag tree, readable, with nothing installed and no account.
How do I know a file is really a .litematic file?
Check its first bytes instead of its name. A genuine LITEMATIC file begins with 1F 8B (gzip). OpenAnyFile shows the detected type, so a renamed file is easy to spot.
Is my .litematic file uploaded anywhere?
No. The file is read locally by your browser and never sent to a server — it even works offline once the page has loaded.
Does it work on phones?
Yes — on Android and iPhone, in any modern browser. You can also install OpenAnyFile as an app.
Related formats
Other formats from the same family:
Format facts checked and page updated on September 25, 2026.