Source: https://realay.io/tools

# Free tools for sending SMS

Check your message before you send it, tidy up your contact list, and look up the rules for the countries you send to. Free, with no sign-up, and everything runs in your browser.

### SMS length calculator

Count characters and parts as you type, and see which characters cost extra.

[Count characters](https://realay.io/tools/sms-length-calculator)

### SMS text cleaner

Swap curly quotes, long dashes and hidden characters for plain ones, so your message costs less.

[Clean up a message](https://realay.io/tools/sms-text-cleaner)

### SMS compliance checker

Check a marketing SMS says who it is from, how to reach you, and how to unsubscribe.

[Check a message](https://realay.io/tools/sms-compliance-checker)

### Phone number formatter

Turn a messy list into clean international numbers, with duplicates removed and a CSV to download.

[Format a list](https://realay.io/tools/phone-number-formatter)

### Phone number checker

Check a number is valid, where it is from, and whether it is a mobile or a landline.

[Check a number](https://realay.io/tools/phone-number-checker)

### SMS quiet hours by country

See the hours and days you can send SMS in countries that set limits.

[Look up quiet hours](https://realay.io/tools/sms-quiet-hours)

Need the sending rules for a country, such as sender IDs and registration? See [coverage by country](https://realay.io/coverage).

## Ready to send?

realay counts, cleans and checks messages like this every time you send. Create your account free, with no credit card and no contract.

[Get started free](https://realay.io/signup) [More free tools](https://realay.io/tools)