Tech riderRev. 3 Oct 2026
Server to Singleplayer World Converter
- 1Runs onWeb
- 2CostsFree plan
- 3Source editionsJava Edition, Bedrock Edition
- 4Target editionsJava Edition, Bedrock Edition
- 5Java-Bedrock conversionYes
- 6Version conversionNo
- 7Format conversionYes
- 8Batch conversionNo
8 lines stated Written from the maker's own pages: imsirr.github.io, github.com
Overview
Server to Singleplayer World Converter is ranked #9 of 18 in Minecraft world converters on Specifiction. It runs on Web. There is a free plan.
Server to Singleplayer World Converter plans and pricing
All plansCompared on Minecraft world converters
- Free plan
- Yesimsirr.github.io
- Source editions
- Java Edition, Bedrock Editionimsirr.github.io
- Target editions
- Java Edition, Bedrock Editionimsirr.github.io
- Java-Bedrock conversion
- Yesimsirr.github.io
- Version conversion
- Noimsirr.github.io
- Format conversion
- Yesimsirr.github.io
- Batch conversion
- Noimsirr.github.io
Facts
- Purpose
- Converts Minecraft Java or Bedrock server worlds into ready-to-play singleplayer worlds.imsirr.github.io · 3 Oct 2026
- Accepted files
- Accepts Java world ZIP files and Bedrock .mcworld files or ZIP files, and detects the edition and format automatically.github.com · 3 Oct 2026
- Player transfer
- Can carry over a chosen player's inventory, position, and experience, or start fresh.github.com · 3 Oct 2026
- Multiplayer worlds
- Only the selected player's data is carried over from a multiplayer world.github.com · 3 Oct 2026
- World preservation
- The converter preserves Java regions and chunks and the full Bedrock LevelDB, changing player-related records.github.com · 3 Oct 2026
- Java cleanup
- It removes Paper and Bukkit datapack entries, paper-world.yml, stale session.lock, and Bukkit or Paper-only NBT tags.github.com · 3 Oct 2026
- Java name lookup
- Optional Java player name lookup uses PlayerDB, Crafthead, and Ashcon, and the converter can read usercache.json included in the ZIP.github.com · 3 Oct 2026
- Privacy
- The maker says conversion runs client-side with no uploads, backend, or analytics; optional Java name lookups make network calls, while Bedrock conversion makes none.github.com · 3 Oct 2026
- Offline use
- The maker describes the single HTML file as supporting full offline use.github.com · 3 Oct 2026
- Bedrock player IDs
- Bedrock players are shown by XUID with an inventory preview because the maker says there is no open gamertag lookup.github.com · 3 Oct 2026
- Game rules limitation
- Java server gamerules reset to defaults because they are not stored in the world folder and must be reapplied manually.github.com · 3 Oct 2026
- Compatibility limits
- Pre-1.16 Java worlds that use flat RandomSeed without WorldGenSettings are unsupported, and the converted world should be opened in the server's Minecraft version.github.com · 3 Oct 2026
- Integrations and libraries
- The README credits NBTify, JSZip, and pako, and names PlayerDB, Crafthead, and Ashcon for optional Java name lookups.github.com · 3 Oct 2026
- License
- The project states it is licensed under PolyForm Noncommercial License 1.0.0.github.com · 3 Oct 2026
- Audience
- The tool is for Minecraft players converting server worlds for singleplayer use, with Java and Bedrock workflows documented.github.com · 3 Oct 2026
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Where it ranks on Specifiction
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Sources
- imsirr.github.io/world-converter/· checked 3 Oct 2026
- github.com/imSirr/world-converter/blob/main/README· checked 3 Oct 2026