📱 Social Media Image Resizer
One image, every platform. Crop to fill or fit with padding — all offline in your browser.
Frequently asked questions
Instagram posts are 1080×1080 (square) or 1080×1350 (portrait, best feed reach), Stories and Reels covers are 1080×1920, YouTube thumbnails are 1280×720 and WhatsApp display photos are 640×640. This tool has all of them as one-tap presets.
🔒 Runs in your browser · Nothing uploadedNo account · Free forever · Works offline
How to use Social Media Resizer
- 1Open the tool — it runs entirely in your browser, nothing is uploaded.
- 2Enter or paste your input and follow the on-screen controls.
- 3Copy or download the result. Add it to Saved to find it again.