SMS Character Counter
Count SMS characters and calculate message segments. Detect GSM-7 vs Unicode encoding, estimate costs, and optimize message length.
More Sms Whatsapp tools
- Phone Number Formatter — Format phone numbers for SMS platforms. Convert to E.164, national, or international formats with batch processing and validation.
- SMS Compliance Checker — Ensure your SMS campaigns meet TCPA requirements. Interactive checklist with consent, opt-out, quiet hours, and DNC compliance.
- SMS Cost Calculator — Calculate SMS/MMS costs across providers. Compare Twilio, MessageBird, Plivo, Bandwidth, and Vonage pricing with volume discounts.
- SMS Response Rate Benchmark — Compare your SMS metrics to industry benchmarks. Open rates, click rates, response rates, and opt-out rates by industry and message type.
- SMS Send Time Optimizer — Find the best time and day to send SMS messages. Optimize for message type, timezone, and TCPA quiet hours compliance.
- SMS Template Generator — Generate professional SMS messages from templates. Appointment reminders, sales follow-ups, promotions, and more with variable substitution.
SMS
Character Counter
Count characters and calculate segments instantly.
tl;dr
SMS Character Counter Count SMS characters and calculate message segments. Detect GSM-7 vs Unicode encoding, estimate costs, and optimize message length.
Know Your SMS Limits
SMS messages are billed per segment. Standard GSM-7 encoding allows 160 characters per segment, but Unicode (emoji, special characters) reduces this to just 70. This tool helps you stay within limits and control costs.
Never miss a customer call
Writly answers when you can't, books the work, and sends the details to your phone.
More Sms Whatsapp tools
phone number formatter
format phone numbers for sms platforms. convert to e.164, national, or international formats with batch processing and validation.
sms compliance checker
ensure your sms campaigns meet tcpa requirements. interactive checklist with consent, opt-out, quiet hours, and dnc compliance.
sms cost calculator
calculate sms/mms costs across providers. compare twilio, messagebird, plivo, bandwidth, and vonage pricing with volume discounts.
sms response rate benchmark
compare your sms metrics to industry benchmarks. open rates, click rates, response rates, and opt-out rates by industry and message type.
sms send time optimizer
find the best time and day to send sms messages. optimize for message type, timezone, and tcpa quiet hours compliance.
sms template generator
generate professional sms messages from templates. appointment reminders, sales follow-ups, promotions, and more with variable substitution.
Frequently asked questions
160 characters for GSM-7 encoding, 70 for Unicode. Multi-part messages use 153/67 characters per segment.
GSM-7 is a 7-bit character set that allows for 160 characters per SMS segment. Unicode is a 16-bit character set used for non-Latin alphabets and special characters, reducing the limit to 70 characters per segment.
By accurately counting characters and determining encoding, the tool helps users optimize message length to minimize the number of segments and therefore reduce costs.
Yes, the tool detects Unicode encoding when emojis are present, ensuring accurate segment calculation.
The tool provides a general cost estimate based on a standard rate, but actual costs may vary by carrier.
The tool is designed for individual message analysis. For bulk analysis, consider using it in conjunction with other tools that support batch processing.
Ready to scale your business?
Join hundreds of businesses using Writly to win more contracts.
Try Writly call deskExample: SMS Character Counter in action
A marketing manager is preparing an SMS campaign and needs to ensure messages are within limits.
Sample input
- Message: 'Hello! Join us for a special event 🎉. Visit us at www.example.com for details.'
Result
Character count: 81 Encoding: Unicode Segments: 2 Estimated cost: $0.04 (at $0.02 per segment)
About SMS Character Counter
SMS Character Counter is crucial for anyone sending SMS messages, as it ensures messages are concise and cost-effective. By understanding the character limits and encoding types, users can tailor their messages to fit within the optimal segment count, avoiding unexpected charges. This tool is especially valuable for businesses sending promotional or transactional messages, where every character can impact costs and delivery success. It not only counts characters but also identifies encoding, providing a comprehensive overview of SMS composition to help manage budgets efficiently.
How it works
- Input your SMS message into the tool.
- The tool calculates the total character count.
- It determines the encoding type (GSM-7 or Unicode).
- The tool calculates the number of message segments and estimates costs.
When to use it
- Marketing teams preparing SMS campaigns and needing to stay within budget.
- Customer service departments sending notifications with special characters.
- Developers integrating SMS functionality into applications and needing to optimize message length.