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Free social media tools
Everything you need to plan and polish your posts β hashtags, timing, captions, tracked links, QR codes and image resizing. No account, no cost, no limits.
#οΈβ£ Hashtag generator
Type your topic and pick an industry β get a ready-to-copy mix of broad-reach and niche hashtags.
π Best time to post
Research-backed general best windows by platform (viewer local time). Test against your own analytics.
βοΈ Caption & character counter
Write once, check every platform's limit live. Red = over the limit.
π UTM link builder
Build tracked links so you know which post drove the click.
β¦ QR code generator
Turn any link into a downloadable QR code for flyers, packaging or your storefront.
πΌοΈ Image resizer for every platform
Upload once, export perfectly-sized images for Instagram, Stories, Facebook, YouTube and more β right in your browser.
π³ Carousel / grid splitter
Upload a wide image and slice it into seamless carousel slides (or a feed grid row). Download each slide.
β¨ Fancy text & font generator
Make your bio and captions stand out with stylish Unicode fonts. Tap any style to copy.
β΅ Instagram caption spacer
Instagram & TikTok strip your line breaks. Paste your caption, copy the spaced version, and the gaps stick.
π‘ Post idea generator
30 proven post frameworks, tailored to your business β no AI, no tokens. Fresh set every click.
π Engagement rate calculator
See how your posts really perform. Enter your numbers β we do the math instantly.
π° Ad ROAS & budget calculator
Know your return before you scale. Enter spend and results for instant ROAS, CPC, CPM and CPA.
Ready for the AI part?
These tools are free forever. When you want AI to write posts, design graphics, build models and make video ads β Cosmify does that too.
Open Cosmify β