Free International Calling Tools

26 free online tools to help you make cheaper international calls, look up phone numbers, test your equipment, and more. All tools are 100% free — no sign-up required.

Country Code Lookup

Find international dialing codes for 200+ countries instantly.

Best Time to Call

Find the optimal time to call across time zones.

Call Cost Calculator

Calculate international calling costs and compare providers.

Phone Validator

Validate any phone number format and identify the country.

Area Code Lookup

Find which city or state a US/Canada area code belongs to.

Dialing Guide

Step-by-step instructions to dial any country from anywhere.

SMS Character Counter

Count characters and see how many SMS segments your message uses.

Spam Number Checker

Check if a phone number has been reported as spam.

Holiday Calendar

Check public holidays in any country before making calls.

QR Code Generator

Generate QR codes for phone numbers with tel: links.

Roaming Calculator

Estimate mobile roaming costs when traveling abroad.

Currency Converter

Convert currencies to understand calling costs in local money.

Virtual Number Checker

Check if a phone number is a virtual/VoIP number.

Call Duration Calculator

Calculate how long you can talk based on your credit balance.

Emergency Numbers

Find emergency phone numbers for any country worldwide.

Microphone Test

Test your microphone volume, quality, and latency in-browser.

Carrier Lookup

Identify which carrier a phone number belongs to.

VoIP Speed Test

Test your internet connection quality for VoIP calls.

Call Recording Laws

Check call recording consent laws by US state and country.

WhatsApp Link Generator

Create click-to-chat WhatsApp links with pre-filled messages.

Phone Number Formatter

Format phone numbers into international E.164 and local formats.

DTMF Tone Generator

Play phone keypad dual-tone sounds with real DTMF frequencies.

Morse Code Translator

Convert text to Morse code and back with audio playback.

Voice Recorder

Record audio from your microphone with waveform visualization.

Vanity Number Converter

Convert phone numbers to words and vanity numbers to digits.

Conference Call Planner

Find the best meeting time across multiple time zones.