Have a promo code? Download Hot Reload here to redeem it.

Trusted by hundreds of developers - from the smallest indie developers, to multimillion-dollar game studios - Hot Reload is saving developers thousands of hours by allowing devs to make changes to any C# code and get immediate updates in-game or in-editor.

ℹ️ The Asset Store version is for individuals and small teams. Unity Pro/Enterprise users require a Business license. See the pricing page on our website for more details.

Website • Documentation • Pricing • Unity Forum

📒 Key features

Edit Any Function - If you have the C# code, Hot Reload can patch it instantly. Works with any text editor.
Easy Setup - Import and run. No project or code changes required.
Works Seamlessly - Changes apply without requiring a domain reload. This means the game keeps running, just like you'd expect.
Fast, Even on Large Projects - No matter your project size, changes apply in milliseconds. Our custom C# compiler integration only compiles code that changed.
Battle-Tested - We built this tool to develop our mobile game with more than 2M+ custom lines of code.
Unity Verified Solution - You can expect a polished, robust solution with continued support for years to come.

✔️ Start using Hot Reload in 3 easy steps

Download & Import - Download Hot Reload from the Unity Asset Store and import it into your project.
Sign Up - Enter your email to sign up for your Hot Reload license.
Make Changes - Hot Reload should now be working, start making changes and see immediate updates to your C# code!

SUPPORTED OPERATING SYSTEMS

Windows
Linux
Mac OS (Silicon and Intel)

SUPPORTED UNITY VERSIONS

2018.4 (LTS)
2019.4 (LTS)
2020.3 (LTS)
2021.3 (LTS)
2022.1
2022.2
2023 (alpha)

Note: Hot Reload likely works on all versions in-between (eg. 2020.2); we just haven't tested those versions. For more info on versions before 2020.3, please visit the documentation.

USEFUL LINKS

LEARN MORE

Hot Reload is in constant development; we are continuing to add new features, and hope to eventually support most (if not all) possible C# changes.

If you have any questions or would like to provide feedback, you are welcome to do so on our Discord server, on the Unity Forum, or through the contact form on our website.

Please note that while we don't enforce a restriction on the free trial for Unity Personal users, purchasing the asset really helps support us so we can continue developing the asset!

Additionally, you can follow our YouTube and Twitter accounts for more videos, tutorials, and feature showcases!

EULA

Please note, Hot Reload is governed by the license agreement at hotreload.net/legal/eula rather than the standard Unity Asset Store EULA. Please reach out to our support if you have any questions regarding licenses or anything similar.

Hot Reload - Edit Code Without Compiling