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Phone Number Extractor
Find and normalise every phone number in a text.
Quick Tool Overview
The Phone Number Extractor recognises the formats people actually write — international prefixes, trunk zeros, brackets, dots and hyphens — and normalises what it finds to one consistent shape so the numbers can be compared or imported.
- What it does
- Finds and normalises phone numbers in text
- You give it
- A directory, signature block, document or export
- You get back
- A de-duplicated list in a consistent format
- Best for
- Cleaning contact data for import
About the Phone Number Extractor
Phone numbers are written a dozen ways and none of them agree. +44 7700 900123, 07700 900123, (555) 123-4567, 555.123.4567 and 00 44 7700 900123 are all valid, and a simple search finds one of them.
This recognises the formats people actually use — international dialling prefixes, national trunk zeros, brackets around area codes, spaces, hyphens and full stops as separators — and normalises what it finds to a consistent shape so a column of numbers can be compared or imported. Extensions written as "ext 204" are recognised and kept separately. Because the input is usually contact data, everything happens in your browser.
Key features of the Phone Number Extractor
E.164 normalisation
The unambiguous international form most APIs and databases expect.
Region-aware parsing
UK, North American and international rules, so a loose number is interpreted the right way.
Extensions separated
"ext 204" is recognised and kept in its own column so the base number normalises cleanly.
Original kept alongside
Both the number as written and its normalised form, so you can check the conversion.
Runs in your browser
Contact data never leaves the page, which is what handling it responsibly requires.
How to use the Phone Number Extractor
-
1
Paste your text
A directory, a set of signatures, a document or an export.
-
2
Set the expected region
International, UK or North American formats, which changes how loose numbers are interpreted.
-
3
Choose the output format
As written, normalised to digits only, or in international E.164 form.
-
4
Copy the list
De-duplicated, one per line or as CSV with the original alongside the normalised form.
Frequently asked questions
The international standard: a plus sign, the country code, and the national number with no spaces or punctuation, up to fifteen digits. It is what most APIs and databases expect, because it is unambiguous.
Yes, if they match the national pattern for the region you select. Without a region, a bare ten-digit number is genuinely ambiguous, so the tool reports it as found but cannot normalise it.
No. It matches the shape of a valid number, which catches typos and truncations. Whether a number is actually assigned can only be established by a carrier lookup.
Extensions written as "ext 204", "x204" or "extension 204" are recognised, separated from the main number and reported in their own column so the base number normalises cleanly.
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