Tool directory
Every tool on Online Playground: 14 tools in 1 categories. All are free and run in your browser.
Phone & Contact tools
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Bulk Phone ValidatorValidate a list of phone numbers at once and export the valid ones as E.164 or CSV.
Phone & Contact
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Click-to-Call Link GeneratorMake a tel: link and an HTML snippet that starts a call when tapped.
Phone & Contact
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Country Code LookupSearch the international calling code, exit code and trunk prefix of every country.
Phone & Contact
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E.164 ConverterConvert phone numbers in any style to clean E.164 format for APIs, databases and SMS.
Phone & Contact
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libphonenumber-js PlaygroundTry libphonenumber-js online. Type a number and see the exact object it returns, with the code that produces it.
Phone & Contact
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Phone Number Country CheckerFind out which country a phone number is from, with its flag and calling code.
Phone & Contact
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Phone Number ExtractorPull every phone number out of any text and get a clean E.164 list.
Phone & Contact
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Phone Number FormatterFormat phone numbers as E.164, international, national or RFC 3966 tel: links. Paste one number or a list.
Phone & Contact
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Phone Number Length by CountryHow many digits a phone number has in every country, with and without the country code.
Phone & Contact
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Phone Number ParserBreak a phone number into country, calling code, national number, extension and line type.
Phone & Contact
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Phone Number Regex GeneratorCopy a phone number validation regex for any country, with code for JavaScript, Python and PHP.
Phone & Contact
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Phone Number Type CheckerCheck whether a number is mobile, landline, VoIP, toll-free or premium rate.
Phone & Contact
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