Format Indian mobiles

Normalize Indian mobile numbers with +91; preserve invalid entries.

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How to use Format Indian mobiles

Normalize Indian mobile numbers with +91; preserve invalid entries.

Supported input: CSV or XLSX, first worksheet
Your result: XLSX workbook
Account and limits: Free verified account · 20 MB per operation · 100 uses per day

Choose a sheet with a phone-related header such as phone, mobile, contact or WhatsApp.
Create the result to normalize recognized Indian mobile numbers to +91. Other columns are left as identifiers.
Review invalid or incomplete entries, which remain unchanged for manual correction.

Before you start

The first worksheet is processed, with up to 10,000 data rows and 50 columns. PDF tables support up to 500 rows and 12 columns.
Imported formulas are not evaluated. CSV formula-like values are escaped and identifiers are kept as strings.

Generated files expire after 24 hours. Keep a copy of important results. Read the help guide or report a problem.

Three small steps. One task done.

Choose your files or enter the details you want to work with.
Adjust the options, then create your result. Check the preview when available.
Download your result. Generated files expire after 24 hours; saved documents stay until you delete them.

A few things to know

Is this tool free?

Yes. Every enabled tool is free for registered users, within the daily and upload limits shown above. No payment or watermark.

What happens to my files?

Uploads are processed for your request. Generated results are stored privately for 24 hours. Downloads require your account and a signed link. Saved documents remain until you delete them.

Can I use it on my phone?

Yes. Choose files from your phone and use the same options. Larger documents work best on a desktop.