Modrinth API
Drop your .minecraft/mods folder. We detect all your mods, find the latest versions for your chosen Minecraft release, and hand you a ready-to-drop replacement folder.
Four steps between you and a fully updated mods folder.
Drag & drop your mods folder, pick files, or upload a ZIP. Files are read locally — nothing is ever uploaded to our servers.
We hash every JAR and look it up on Modrinth automatically. You'll see each mod identified in real time.
Choose which Minecraft version to target. The highest available version is pre-selected. See per-mod compatibility at a glance.
Get your updated mods.zip. Drop it into .minecraft and click Replace Folder. That's it.
Built for real Minecraft players who maintain large mod packs.
Your mod files never leave your device. Only SHA-512 hashes are sent to Modrinth — a public API with no account needed.
Concurrent processing scans up to 4 mods simultaneously. A 20-mod pack is identified in under 10 seconds.
Fabric, Forge, Quilt, and NeoForge — switch loaders between sessions with one click.
Dynamically discovers new Minecraft releases — including 1.21.5 and beyond — directly from Modrinth data.
Yes, 100%. It uses the open-source Modrinth API. Ads help keep the lights on.
No. .jar files are hashed locally in your browser. Only the hash is sent to Modrinth to look up version info. Your actual mod files stay on your machine.
Some mods aren't on Modrinth (OptiFine, paid mods, obscure mods). They're flagged and included in the output ZIP at their current version unchanged.
If a mod has no release for that Minecraft version on Modrinth, it's marked unavailable. It'll still be included at its current version.
No. The public Modrinth API works without one. Adding a key boosts rate limits — useful for 50+ mod packs. Get one free at modrinth.com/settings/account.
Fabric, Forge, Quilt, and NeoForge. Pick yours before uploading — only compatible versions are shown.
Yes! Every step has a Back button and the wizard navigation bar at the top. You can change your folder or loader at any time.
From 1.4 all the way to the latest 1.21.5+ and 1.22. New versions are picked up automatically from Modrinth data — the list is never stale.