Swidget's TAS

Swidget’s TAS is a Minecraft 1.21.11 Java Edition mod that adds Tool-Assisted Speedrunning (TAS) features to the game. Slow down gameplay for precision, then replay it at full speed on command.

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fabricgame-mechanicsutility

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About this Mod

Swidget’s TAS is a Minecraft Java Edition 1.21.11 mod designed for Tool-Assisted Speedrunning (TAS). The mod allows players to slow down gameplay for more precise movement, inputs, and timing, then replay actions at normal or faster speeds on command. It is useful for TAS practice, movement testing, challenge runs, and creating smooth replay-style gameplay clips directly in Minecraft.

Available Versions

Swidget's TAS 1.0.0release

MC 1.21.11fabric

May 21, 2026

How to Install Swidget's TAS on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

Install Mod

Open the mod browser in the dashboard and search for "Swidget's TAS". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Swidget's TAS server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Swidget's TAS compatible with fabric?

Swidget's TAS officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Swidget's TAS – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Swidget's TAS consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.