Social Media Image Resizer — Every Platform Size From One Image
One upload → Instagram, Facebook, X, LinkedIn, YouTube, Pinterest and TikTok sizes, cropped or padded, downloaded as a ZIP.
🔒 Runs in your browser — files never uploaded ⚡ No signup 💯 Free
Simplified layout on small screens — the full version is on desktop.
Resize one image to every social media format at once: Instagram posts, portraits and stories, Facebook posts and covers, X post and header images, LinkedIn posts and banners, YouTube thumbnails and channel art, Pinterest pins, TikTok covers, and the Open Graph size that link previews use. Tick the sizes you need, choose whether to crop to fill or fit inside with a blurred or solid background, and download them all in a ZIP.
Everything happens in your browser. Nothing is uploaded, and the preset table lives in the page, so there is no account and no limit.
How to use Social Media Image Resizer
- Drop your image. Start from the largest, sharpest version you have — sizes are only ever reduced.
- Tick the sizes you need. The all link next to a platform selects every format for it.
- Choose the fit. Fill the frame crops the edges to match each shape; pick which side to keep. Fit inside keeps the whole picture and pads it with a blurred copy or a solid colour.
- Generate, check the previews, and download individually or everything as a ZIP.
Why one image cannot simply be reused
Every platform crops uploads to its own shape: a square feed post, a 4:5 portrait, a 9:16 story, a 16:9 thumbnail, a 3:1 banner. Upload a landscape photo as a story and the app cuts off both sides; upload a portrait as a link preview and the top of the head goes. Making each version yourself means you choose what gets cut, not an algorithm centring on nothing in particular.
Crop or pad?
Crop (fill the frame) is right when the subject can lose some surroundings — most photos. Use the keep setting to protect the important edge: top for portraits of people, bottom for product shots on a surface. Pad (fit inside) is right when nothing can be cut: screenshots, posters, artwork, anything with text near the edge. The blurred-background option is the same trick Instagram and TikTok use for mismatched shapes and looks far better than plain bars; a solid colour is better for graphics with a flat background you can match.
The sizes, and why they change
Platforms publish recommended upload dimensions and quietly re-encode whatever you send. The ratios are what matter — 1:1, 4:5, 9:16, 16:9, 1.91:1 — and those have been stable for years; the pixel counts drift upward as screens improve. The presets here are the current recommendations; if a platform announces a change, the ratio is almost always the same and only the size number moves.
Quality tips
- Export as JPG at 85–95% for photos. Every platform recompresses on upload, so a 100% file only wastes bandwidth.
- Use PNG only for graphics with sharp text and flat colour, where JPG artefacts show.
- Do not upscale. If the source is smaller than the target, the platform will show the blur either way; find a larger original.
For a single custom size, the image resizer is quicker; for a crop you position by hand, use the crop tool.
Frequently asked questions
What is the correct Instagram post size?
1080×1080 for a square post, 1080×1350 for the taller 4:5 portrait (which takes up the most feed space), 1080×566 for landscape, and 1080×1920 for stories and reels. Instagram scales larger uploads down and re-compresses everything.
Why does my photo get cropped when I pick "fill the frame"?
Because the target shape differs from the photo's — a 3:1 banner cannot contain a 4:3 photo without cutting. Use the keep option to choose which side is preserved, or switch to fit inside to keep the entire picture with a padded background.
What is the blurred background option?
The image is enlarged and blurred to fill the frame, and the real image is placed on top at full size. It is the effect Instagram, TikTok and YouTube use for content that does not fill the screen, and it looks far more natural than plain colour bars.
Are these sizes up to date?
They are the platforms' current recommended upload dimensions. Platforms occasionally raise the pixel counts; the aspect ratios almost never change, and the ratio is what determines how your image is cropped.
Can I make a link preview (Open Graph) image?
Yes — the "Web & email" group has the 1200×630 Open Graph size that Facebook, LinkedIn, Slack, iMessage and WhatsApp use for link cards. Set it in your page's og:image meta tag; the meta tag generator writes the tags.