Rewrite & tone changer
Paste any caption or post and get it rewritten in the tone you pick — professional, casual, funny, bold or concise. 3 variations, tap to copy. Free, no sign-up.
How to use our free AI text rewriter
Paste the caption or post you want to change — anything from a few words up to 1,000 characters.
Choose a tone: Professional, Casual, Funny, Bold or Concise. Concise is the one to pick when a post is too long for a platform's limit.
Press Rewrite it to get 3 variations in that tone. Your core meaning stays the same; the voice changes.
Copy the version you like, or press Rewrite again for three more. If none feel right, try a different tone.
Why tone of voice matters for social media growth
The same message can land or flop depending on how it sounds. “We're open late on Friday” is a notice; “Late-night cravings? We're here till 11 on Friday” is an invitation. Tone is what turns information into a post people respond to.
It also has to suit the room. A playful line that works on TikTok can seem flippant on LinkedIn, and a polished corporate update feels stiff on Instagram. If you post on several platforms, or more than one person writes your posts, a rewriter or tone changer helps you keep one recognizable voice while adjusting how formal it is for each audience. Pick the tone that fits your brand, then use it consistently so followers know what to expect.
Frequently asked questions
Will the rewrite change what I'm saying?
It's built to keep your core meaning and change only the tone. Facts like prices, dates and names should come through intact, but check them in the result before you post.
Which tone should I choose?
Professional for LinkedIn and formal announcements, Casual for everyday posts, Funny when you want a light touch, and Bold for launches and offers. Concise is for when you need to fit a tight limit, like X's 280 characters.
Is the AI text rewriter free?
Yes — free, with no sign-up. Each rewrite uses AI, so there's a fair-use limit per visitor: after a lot of rewrites in one minute, it will ask you to pause briefly before the next.
Rewriting done — now the whole post.
Postlefy writes captions, adds the right hashtags, designs the image and posts everywhere — automatically, on autopilot.
Start free — 50 posts →