Use index=False.

Copydf.to_csv('your.csv', index=False)
Answer from Probably rgbkrk on Stack Overflow
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Pandas
pandas.pydata.org › docs › reference › api › pandas.DataFrame.to_csv.html
pandas.DataFrame.to_csv — pandas 3.0.3 documentation
Create ‘out.csv’ containing ‘df’ without indices · >>> df = pd.DataFrame( ... [["Raphael", "red", "sai"], ["Donatello", "purple", "bo staff"]], ... columns=["name", "mask", "weapon"], ... ) >>> df.to_csv("out.csv", index=False) Create ‘out.zip’ containing ‘out.csv’ ·
People also ask

Can I append to an existing CSV file?
Yes, use `mode='a'` to append:\n\n```python\ndf.to_csv('data.csv', mode='a', header=False)\n```\n\nExclude the header to avoid repeating column names.
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blog.openreplay.com
blog.openreplay.com › openreplay blog › export pandas dataframe to csv: complete guide to to_csv()
Export Pandas DataFrame to CSV: Complete Guide to to_csv()
How do I save a DataFrame to CSV with a different encoding?
Specify the encoding with the `encoding` parameter:\n\n```python\ndf.to_csv('data.csv', encoding='utf-16')\n```
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blog.openreplay.com
blog.openreplay.com › openreplay blog › export pandas dataframe to csv: complete guide to to_csv()
Export Pandas DataFrame to CSV: Complete Guide to to_csv()
How do I export a DataFrame to a CSV file with German locale settings?
Use `sep=';'` for semicolon separator and `decimal=','` for comma decimal:\n\n```python\ndf.to_csv('data.csv', sep=';', decimal=',', index=False)\n```
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blog.openreplay.com
blog.openreplay.com › openreplay blog › export pandas dataframe to csv: complete guide to to_csv()
Export Pandas DataFrame to CSV: Complete Guide to to_csv()
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Spark By {Examples}
sparkbyexamples.com › home › pandas › export pandas to csv without index & header
Export Pandas to CSV without Index & Header - Spark By {Examples}
December 10, 2024 - In order to export Pandas DataFrame to CSV without an index (no row indices) use param index=False and to ignore/remove header use header=False param on
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GeeksforGeeks
geeksforgeeks.org › python › how-to-remove-index-column-while-saving-csv-in-pandas
How to Remove Index Column While Saving CSV in Pandas - GeeksforGeeks
July 23, 2025 - When we want to save a DataFrame to a CSV without the index but with the header, we can just drop the index. Here, we can use a special method called 'iloc' provided by Pandas. The iloc method allows integer-based indexing.
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Delft Stack
delftstack.com › home › howto › python pandas › pandas to csv without index
How to Convert Pandas to CSV Without Index | Delft Stack
March 11, 2025 - The most straightforward way to convert a Pandas DataFrame to a CSV file without including the index is by using the built-in to_csv() function. This method is not only simple but also very efficient.
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IncludeHelp
includehelp.com › python › how-to-avoid-pandas-creating-an-index-in-a-saved-csv.aspx
Export Pandas DataFrame to CSV without Index and Header
April 18, 2023 - To export Pandas DataFrame to CSV without index and header, you can specify both parameters index=False and header=False inside the DataFrame.to_csv() method which writes/exports DataFrame to CSV by ignoring the index and header.
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pythoncodelab
pythoncodelab.com › home › converting pandas dataframe to csv without index in python.
Converting pandas dataframe to csv without index in Python.
November 9, 2024 - Knowing the index parameter in the to_csv() method helps us to get a CSV file without a row index.
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Medium
medium.com › @amit25173 › how-to-use-to-csv-step-by-step-guide-94e1f9d81be1
How to Use to_csv() — Step-by-Step Guide | by Amit Yadav | Medium
March 6, 2025 - But if you don’t need it, just set index=False. import pandas as pd # Sample DataFrame df = pd.DataFrame({'Name': ['Alice', 'Bob'], 'Age': [25, 30]}) # Export without index df.to_csv('no_index.csv', index=False)
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Statistics Globe
statisticsglobe.com › home › python programming language for statistics & data science › write pandas dataframe to csv file without index in python (example)
Write pandas DataFrame to CSV without Index in Python | Save File
May 5, 2022 - For this task, we can apply the to_csv function as shown below. In the first line of the following code, we have to specify the working directory and the file name. Note that you would have to replace the working directory path to your own working directory. The second line of the following syntax is responsible for ignoring the indices. As you can see, we are setting the index argument to be equal to the logical indicator False.
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Saturn Cloud
saturncloud.io › blog › how-to-avoid-pythonpandas-creating-an-index-in-a-saved-csv
How to Avoid PythonPandas Creating an Index in a Saved CSV | Saturn Cloud Blog
June 19, 2023 - If you have an existing CSV file with an index that you want to remove, you can use the read_csv() method with the index_col parameter to read the CSV file into a DataFrame with a specific column as the index.
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Finxter
blog.finxter.com › home › learn python blog › 5 best ways to remove the index column in pandas dataframe
5 Best Ways to Remove the Index Column in Pandas DataFrame - Be on the Right Side of Change
February 18, 2024 - This code snippet shows how to ... the output. You can create a DataFrame without an index by setting the index parameter to None in the DataFrame constructor....
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Saturn Cloud
saturncloud.io › blog › how-to-remove-index-column-while-saving-csv-in-pandas
How to Remove Index Column While Saving CSV in Pandas | Saturn Cloud Blog
August 10, 2023 - In the above code, we first create a sample DataFrame df. We then save the DataFrame to a CSV file named output.csv using the to_csv() method. We pass the index parameter to the method and set it to False to remove the index column from the CSV file.
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Pandas How To
pandashowto.com › pandas how to › data manipulation › how to write to csv without index • pandas how to
How To Write To Csv Without Index • Pandas How To
February 24, 2025 - To write a Pandas DataFrame to a CSV file without the index, use the to_csv method and set the index parameter to False.
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Medium
medium.com › @amit25173 › exporting-a-pandas-dataframe-to-a-csv-file-6b3edd0a78fa
Exporting a Pandas DataFrame to a CSV File | by Amit Yadav | Medium
March 6, 2025 - # Saving the CSV to a specific folder df.to_csv('exports/data.csv') ... Notice the r before the string? It tells Python to treat the path as raw text, avoiding issues with backslashes. ... You might’ve noticed that when you export your DataFrame, it sneakily adds an extra index column. It’s like that uninvited guest who shows up at every party. If you don’t need it, here’s how to show it the door: # Exporting without the index column df.to_csv('data_no_index.csv', index=False)
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HatchJS
hatchjs.com › home › how to export a pandas dataframe to csv without an index
How to Export a Pandas DataFrame to CSV Without an Index
January 5, 2024 - We also discussed the pros and cons of using an index in a CSV file, and provided some tips for choosing the best way to save your data. In this tutorial, you will learn how to use the `to_csv()` function in Python to save a DataFrame to a CSV file without the index column.
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GitHub
github.com › pandas-dev › pandas › issues › 12627
Write CSV without index as default · Issue #12627 · pandas-dev/pandas
March 14, 2016 - Code Sample, a copy-pastable example if possible Most of the time when I write a csv to file I don't need the index in the CSV output. I end up writing to_csv('file/path.csv', index=Fal...
Author   pandas-dev
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GitHub
github.com › pandas-dev › pandas › issues › 26042
Setting index = false in function to_csv is not working · Issue #26042 · pandas-dev/pandas
April 10, 2019 - Code Sample, a copy-pastable example if possible # Your code here df_ = pd.DataFrame([predicted_labels]) display(df_) df_.to_csv('person.csv',index=False) Problem description Actually I don't want index in my csv file so I set index = fa...
Author   pandas-dev
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Codegive
codegive.com › blog › pandas_write_csv_without_index.php
Pandas Write CSV Without Index: Master Clean Data Export & Ditch That Pesky Extra Column
By default, this index is a sequence ... "pandas write csv without index" refers to the act of calling the to_csv() method on a DataFrame, but explicitly telling Pandas not to include this default index column in the resulting CSV file....
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GeeksforGeeks
geeksforgeeks.org › r language › how-to-write-to-csv-in-r-without-index
How to write to CSV in R without index ? - GeeksforGeeks
April 7, 2021 - Country <- c("China", "India", "United States", "Indonesia", "Pakistan") Population_1_july_2018 <- c("1,427,647,786", "1,352,642,280", "327,096,265", "267,670,543", "212,228,286") Population_1_july_2019 <- c("1,433,783,686", "1,366,417,754", "329,064,917", "270,625,568", "216,565,318") change_in_percents <- c("+0.43%", "+1.02%", "+0.60%", "+1.10%", "+2.04%") data <- data.frame(Country, Population_1_july_2018, Population_1_july_2019, change_in_percents) print(data) write.csv(data,"C:\\Users\\...YOUR PATH...\\population.csv") print ('CSV file written Successfully :)') ... Now let us see how these indices can be removed, for that simply set row.names parameter to False while writing data to a csv file using write.csv() function.