SeedCracker
For Bedrock and Java Edition
Tell SeedCracker which structures you see in your world and where they are. It finds the Bedrock or Java seeds that put them there. Start with some structures and their block coordinates.
Structures
Pick the structures you see in your world and enter their X/Z coordinates.
4th parameter / Tolerance: Use this when you cannot find a structure's exact center. Enter how far off you think you are, in chunks, and the search allows for that error. A higher tolerance matches more seeds and takes longer to run.
Starter example below. Replace the rows with structures from your own world.
Add at least three special structures. These types search every possible seed and give the most reliable results.
Advanced
Time limit, Max results and Max score apply to every search; leave Time limit empty to scan everything.
Lower = stricter match.
Preview
Results
No search yet.
Structures
Add ten structures from the five types you can see and type their X/Z coordinates. The example below is already filled in; replace the numbers with your own.
The X and Z you enter must be the structure's exact coordinates. Not sure where to stand? See "How do I find the exact coordinates?" below.
Advanced
Max results and Time limit apply to the search; leave Time limit empty to scan everything.
How do I find the exact coordinates?
F3 (or Fn+F3) works without operator rights, no /seed or /locate needed. It shows your exact X and Z block coordinates: walk to the structure, stand on the reference spot below, and read X/Z off the debug screen. You can paste a whole /tp X Y Z into a coordinate field and both values fill in.
| Structure | Stand here (the spot the search measures from) |
|---|---|
| Desert Temple | The center of the pyramid, directly above the TNT / treasure chamber. |
| Jungle Temple | The center of the main temple body (bottom floor, at the entrance). |
| Witch Hut | The center of the hut, under the roof at the cauldron. |
| Igloo | The center of the igloo (the carpeted inner room). |
| Outpost | Use the "How to read the exact coordinates" button under an Outpost row: read the four pillar tops, and the row fills itself in. |
Preview
Results
No search yet.
Read the Pillager Outpost's exact coordinates
Stand on each pillar and read its X and Z. Three pillars is enough.
Pillar coordinates
Find a Minecraft Bedrock or Java seed by structure layout
SeedCracker reverses the usual workflow. Instead of starting from a seed and asking what is nearby, you describe the world you want: a village here, a monument there. It returns Bedrock or Java Edition seeds that generate those structures at or near the block coordinates you give. Four structures is the minimum, and each extra one narrows the result.
Already explored a world and want its seed? Enter the structures you can see and their coordinates. The same search points back to the seeds that generate them there, no mod or cheats needed.
The search runs entirely in your browser, so there is nothing to install and no account. For a specific layout, a low tolerance (0-1 chunks) usually pins down a single seed. Java Edition works the same way: enter ten of the structures you can pinpoint by sight with exact coordinates and the search works it out on its own, no seed input needed. Read how SeedFinder handles the other direction.
Frequently asked questions
How do I find my Minecraft Bedrock seed from its structures?
Add the structures you can see in your world and the coordinates where they sit. SeedCracker returns the seeds that place those structures in the same spots, usually your exact seed. If it needs more to work with, add a few Trial Chambers or Trail Ruins and it keeps going.
Do I need to install a mod to crack a seed?
No. SeedCracker runs in your browser, so there is nothing to download or install. Bedrock players can also use the Flarial Client overlay in game, which runs the same search.
Do the coordinates have to be exact?
Not always. If you cannot find a structure's exact center, enter your best guess and set that row's tolerance to how far off you think you are, in chunks. The search allows for the difference, but a higher tolerance is slower and matches more seeds.
How many structures do I need to find a seed?
At least four. The more structures you give it, the fewer wrong answers it returns.
Does it work with any Bedrock world?
Yes. Add your structures plus a few Trial Chambers or Trail Ruins and press Find Seeds. The search runs on its own, with no seed range to set.
Can it find Java Edition seeds?
Yes. Open the Java tab and add ten structures from the five you can pinpoint by sight: Desert Temple, Jungle Temple, Witch Hut, Igloo and Outpost. Enter their exact coordinates and the search finds the seed on its own. It gives you the full seed when it can work it out, and otherwise the part of the seed that decides where structures appear.
Is SeedCracker free?
Yes. It runs in your browser with no login and no key.