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Free AI caption generator
Enter a topic, pick a platform and a tone, and get 3 captions that fit that platform's character limit. The tool is free with 5 generations per day and needs no account. It uses the same caption check as Voxpanda, an AI social media manager.
How the generator works
The generator sends your topic, platform, tone and language to an AI model and asks for 3 different captions. Each caption is then checked against the platform limit, for example 280 weighted characters on X, 300 graphemes on Bluesky and 500 characters on Threads. Text over the limit is cut at a sentence or word break. Limits per platform are listed in the social media character counter.
Free limit: 5 generations per day
Each visitor gets 5 generations per day, and each generation returns 3 captions. The count resets at 00:00 UTC. The tool also has a shared daily limit, so it can stop for everyone before the end of the day. The topic is not saved.
From one caption to a full posting schedule
This tool writes text only. Voxpanda writes one caption per platform from a single brief, learns your brand voice from approved captions, makes the image and schedules the post. The process is described on the AI captions page, and plan limits are on the pricing page.
Questions
Is the caption generator free?
Yes. It is free with no account, limited to 5 generations per day per visitor. Each generation returns 3 captions.
Do the captions fit the platform character limit?
Yes. Every caption is checked with the same validator Voxpanda uses before posting, and text over the limit is cut at a sentence or word break.
Does Voxpanda save my topic?
No. The topic is sent to an AI model to write the captions and is not stored. To count daily uses, Voxpanda stores a one-way hash of your IP address that changes every day, not the address itself.
How is this different from Voxpanda captions?
This tool writes 3 captions from one topic. Voxpanda, an AI social media manager, writes one caption per platform from your brief and brand voice, makes the image, schedules the post and replies to comments.
Which languages are supported?
English and Indonesian.