For Eaglercraft High Quality - Xray Hacks

Eaglercraft (the browser-based version of Minecraft), "hacks" are typically implemented through specialized resource packs

Conclusion

1. On your Eaglercraft server, run /world download (if enabled) or use a client-side world downloader bookmarklet.
2. Open the downloaded .json world in singleplayer Eaglercraft.
3. Use method #1 texture pack offline.
4. Note coordinates of all diamonds/chests.
5. Rejoin the server and dig straight to those coordinates.

: Widely considered the "high-quality" standard, this pack highlights ores and mineral blocks while making stone, gravel, and grass invisible. You can find versions specifically for older Minecraft builds like 1.8.8 on sites like CurseForge Proper X-Ray xray hacks for eaglercraft high quality