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Bulk Phone Number Cleaner & Formatter

Paste a messy list of phone numbers and instantly clean, validate, deduplicate, format, search, copy, and export standardized Indian mobile numbers without using any external API.

Supports one number per line, comma separated, semicolon separated, spaces, tabs, and mixed formatting. Results update automatically. Maximum 10,000 numbers per run.

Formatting Options

How it works

Cleaning Rules
  • Removes spaces, tabs, brackets, dashes, and dots
  • Converts 919876543210 to 9876543210
  • Converts +919876543210 to 9876543210
  • Keeps only valid 10-digit Indian mobile numbers
Validation Rules
  • Must be exactly 10 digits after cleaning
  • First digit must be 6, 7, 8, or 9
  • Duplicates are flagged and optionally removed
  • All processing happens locally in the browser

FAQs

How many phone numbers can I clean at once?

This tool supports up to 10,000 phone numbers in a single run.

Does this tool work offline?

Yes. All cleaning, validation, deduplication, formatting, and exporting happen locally in your browser.

Which numbers are considered valid?

Valid Indian mobile numbers must contain exactly 10 digits after cleaning and must start with 6, 7, 8, or 9.

Can I remove duplicate numbers automatically?

Yes. Duplicate removal is enabled by default, and the tool tracks how many duplicates were removed.

Can I format numbers with +91?

Yes. You can switch between plain, +91, national, hyphen, and international formatting instantly.

Will foreign numbers be accepted?

No. This tool is designed for Indian mobile numbers only, so foreign numbers will be marked invalid.

Can I export the cleaned list?

Yes. You can export results as CSV, TXT, and Excel (.xlsx) files.

Can I copy only valid or invalid numbers?

Yes. Separate copy actions are available for all rows, valid numbers, invalid numbers, unique numbers, and CSV output.

Does the tool preserve the original pasted number?

Yes. The results table shows both the original input and the cleaned value for comparison.

Who is this tool useful for?

It is useful for sales teams, recruiters, marketers, CRM users, support teams, students, developers, and small businesses.