Free social media tools
Small, useful tools that run in your browser. No signup, nothing uploaded. Free to embed on your own site.
AI slop checker
Paste a caption and see which phrases read like generic AI writing, with every flag explained and a plainer alternative.
Brand voice check
Enter your website and get a short brand voice profile plus one sample Instagram post written in that voice.
Post preview and character counter
See one caption on Instagram, Facebook, LinkedIn, Google Business Profile and Bluesky, with limits and "more" cutoffs.
Image size guide and resizer
2026 image sizes for every platform, plus a free crop and resize tool.
Want the posts written for you?
Bamboo Punch learns your brand, then writes and designs posts for every platform above.
See 3 free posts