Free tool
Paste a text message to see its length, encoding and number of billed segments, plus an estimated campaign cost. Spot the hidden characters that double your SMS bill.
Use your provider’s current per-segment rate; carrier fees may be added separately.
Characters
0
Segments
0
Encoding
GSM-7
Left in segment
0
Estimated campaign cost
$0
SMS limits
The character set decides how much fits in each billed segment.
| Encoding | Single SMS | Per segment when split | Triggered by |
|---|---|---|---|
| GSM-7 | 160 characters | 153 characters | Standard letters, numbers and common punctuation |
| UCS-2 | 70 characters | 67 characters | Any character outside GSM-7, such as most emoji or curly quotes |
Text pasted from documents often contains curly apostrophes and quotes, which silently switch a message to UCS-2.
Opt-out wording costs a few characters but protects your sender reputation and keeps you compliant.
Use a branded short domain rather than long tracking URLs to save characters and look trustworthy.
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