How to Split and Join Files

Split and join files locally in your browser with ConvertCraft. 100% private, zero uploads, and no account required. Fast, secure, browser-based WASM.

Why Use the ConvertCraft Split & join files?

  • Split and Join Files: Divide large files into smaller chunks or reassemble them. Perfect for managing archives and large datasets with 100% local browser processing and zero uploads.
  • Privacy First: Since all processing is 100% local (WASM), your files never leave your computer. No data is stored, tracked, or shared, making this the most secure way to handle sensitive documents.
  • Zero Uploads: Traditional tools require you to send your data to a VPS or cloud engine. ConvertCraft uses your own hardware resources, meaning you can process files instantly regardless of your internet connection speed.
  • No Account Required: We believe in accessibility. You do not need to sign up, log in, or provide an email address to use our free online file split and join features.

How to Use the ConvertCraft Split & join files

Using the Split & join files tool is straightforward and requires no technical expertise. Follow these steps to manage your archives efficiently.

Step 1

Open the Split & join files at ConvertCraft by visiting <https://www. convert-craft. com/tool/file-split/> in your preferred web browser.

Step 2

Select the files you wish to process directly from your local drive. Because this is a browser-based WebAssembly tool, the selection process is instantaneous.

Step 3

Choose your desired operation, whether you are splitting a large archive into manageable chunks or joining multiple parts back into a single file.

Step 4

Click the process button to trigger the local engine. Your browser will handle the task in the background, ensuring 100% local file processing.

Step 5

Download the resulting files directly to your machine. The process is complete, and no trace of your activity remains on our site.

Tips for Best Results

To get the most out of our free WASM converter, ensure your browser is up to date to take full advantage of WebAssembly performance. If you are working with large archives, keep your browser tab active during the process to ensure the local engine has sufficient memory allocation. Because this is a browser-based tool, the speed of the operation is determined by your device's CPU rather than your internet speed, so closing unnecessary background applications can significantly improve processing times for larger batches.

Comparison: Free vs Pro

FeatureConvertCraft (Free)Pro TierTraditional Tools
Data Privacy100% Local (WASM)100% Local (WASM)Server Upload
Batch Limit5 files400 filesStrict limits
File Size25MB per file2GB per fileFixed caps
CostFreeFrom $9/monthSubscription required


Frequently Asked Questions

Q: Is the Split & join files free to use?

Yes, it is completely free on the Free tier with up to 5 files per batch. For larger volumes, Pro tier supports up to 400 files.

Q: Are my files uploaded to a server?

No. ConvertCraft uses 100% local (WASM) processing. Your files are handled locally in your browser and never leave your device.

Q: What is the maximum file size for the free tier?

The free tier allows for a maximum file size of 25MB per file.