Free Online CSV to Excel Converter - No Installation Required

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How to convert CSV to Excel

Upload all of the CSV files you want to convert
You can select multiple files at once or drag and drop a batch of files. All files will be converted simultaneously.
Wait for the conversion process to complete
Download your converted Excel files
Process hundreds of files in a single batch
Our converter handles large batches efficiently, saving you time compared to converting files one by one.

Fast conversion

Convert your csv files to excel in seconds, even with large datasets

Batch processing

Upload and convert hundreds of files at once with no file size limitations

Downloadable results

Get all your converted files immediately after conversion

Data integrity

Preserve your data structure and types during conversion with high-fidelity transformations

Format optimization

Automatically optimize output files for size and performance based on the target format

No code required

Convert files without writing a single line of code, perfect for data analysts and business users

First, we need to install pandas

pip install pandas

Then we can load the csv file into a dataframe

df = pd.read_csv('path/to/file.csv')

Finally, we can export the dataframe to the xlsx format

df.to_excel('path/to/file.xlsx', index=False)