Characters
Runs in your browser
UTF-8 byte counter.
See the difference between visible characters and actual UTF-8 bytes, especially with emoji and non-English text.
Words
Reading time
UTF-8 bytes
SMS segments
Lines
SMS encoding GSM-7
Graphemes 0
Sentences 0
Paragraphs 0
Speaking time 0 min
SEO pixels 0 px
Paste text to start.
Selected limit
UTF-8 bytes
Paste text to start.
Paste text before shortening.
Shortened text
0 characters
Why this page exists
Byte limits are different from character limits.
Databases, APIs, forms, and SMS systems often care about encoded size, not only what people see.
One byte
Basic ASCII characters usually use one UTF-8 byte.
Multiple bytes
Emoji, accented letters, and many scripts use more.
Safer copying
Check bytes before pasting text into strict technical fields.
Practical guide
Measure the UTF-8 size a system actually stores.
Character limits describe visible text; byte limits describe encoded data. TextLimit uses the browser's UTF-8 encoder so you can test the exact string that will be sent to an API, database, import, or form.
ASCII is usually one byte
Basic English letters, digits, spaces, and common punctuation normally use one UTF-8 byte each. That is why character and byte totals often match for simple plain text.
Unicode uses variable width
Accented letters, non-Latin scripts, and emoji can use multiple bytes. A string can fit a character limit while exceeding a database column, request field, or legacy integration's byte limit.
Visually identical text can differ
Unicode can represent some visible symbols with either a precomposed character or a base character plus combining marks. Those strings can look alike while producing different character and byte totals.
Measure the serialized value
Prefixes, separators, line endings, and escaping can add bytes outside the text itself. This counter measures the pasted string; include any literal formatting that belongs to the stored field.
Before sending text to a byte-limited system
- Confirm that the documented limit is bytes rather than characters.
- Paste representative international text and emoji, not only ASCII samples.
- Include separators and line endings stored in the same field.
- Test the final serialized payload when escaping or normalization is involved.