Get the exact pixel size for posts, stories and reels. No upload, no watermark.
Instagram compresses uploads aggressively. Start with the right resolution so your feed stays sharp. This tool resizes to the most common Instagram formats and keeps quality high.
Also try: compress for WhatsApp · resize for Facebook
Posts look best at 1080×1080px (square) or 1080×1350px (portrait). Stories and reels are 1080×1920px.
Yes — set a custom width and the height scales to keep the aspect ratio.
Yes. Your photo never leaves your browser.