Character Counter
Model:
Paste or type your text to see live character and word counts, sentence and paragraph totals, reading and speaking time estimates, and per-platform limit chips for Twitter, LinkedIn, Instagram, SMS and more. Everything runs in your browser; no text is sent to a server.
Advanced options
Result
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Check character limits for any platform before you post, at no cost.
How to Use Character Counter
1
Open Character Counter
Open Character Counter on Rewind.ai. No account needed to start.
2
Add your input
Enter your text or upload a file, then set any options Character Counter offers.
3
Get the result
Character Counter runs on our own GPU servers and returns a result in seconds. Download it, copy it, or share the link.
Use this tool via API
Call this tool straight from your own scripts. The endpoint follows the OpenAI REST format and signs requests with a bearer token, so client libraries you already use keep working. You are billed the same token rate as the web app.
curl -X POST https://api.rewind.ai/v1/chat/completions/ \
-H "Authorization: Bearer sk-rewind-..." \
-H "Content-Type: application/json" \
-d '{"model": "qwen/qwen-2.5-7b-instruct", "messages": [{"role": "user", "content": "Count characters and check fit against Twitter/SMS limits..."}]}'Character Counter FAQ
Character Counter on Rewind.ai is a free AI tool. There's no charge and no sign up needed to start.
Yes. You get 2,500 free tokens per day to use Character Counter and every other tool on Rewind.ai. A free account raises that to 5,000 tokens/day. You can buy more starting at $1.
Character Counter runs open-source AI models on our GPU servers. Send your request and the result comes back in seconds.
No. You can use Character Counter right away without signing up. A free account doubles your daily usage to 5,000 tokens and saves your history.
Anonymous users get 2,500 tokens/day. Free accounts get 5,000 tokens/day. Tokens reset every 24 hours. Each generation costs ~100-5,000 tokens depending on the operation.
Your data is processed on our servers and isn't stored permanently unless you choose to save it. We don't sell or share it.
Yes. Content from Character Counter is yours to use for personal or commercial work. The AI models we run are commercially licensed.
Character Counter matches the quality of paid services because it runs the latest open-source AI models. The difference is you don't pay per use.
Character Counter runs open-source AI models including Qwen 2.5, FLUX and Whisper. We update to newer models as they ship.
Yes. Character Counter works in any mobile browser, and the layout adapts to your screen size.
Sign up for a free account to get 5,000 tokens/day, double the anonymous limit. Or buy token packs starting at $5 for 200,000 tokens. See /pricing/ for all options.
Yes. After you generate content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.
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