Photo Resizer Online Free

How to resize a photo online

Drop your photo above, enter your target width and height in pixels, and click Download. Lock the aspect ratio to avoid stretching. The tool runs entirely in your browser — your photos are never uploaded to any server.

Frequently asked questions

What size should I resize photos for Instagram?

Instagram recommends: square posts at 1080×1080, portrait at 1080×1350, landscape at 1080×566, and stories/reels at 1080×1920. Enter these dimensions directly in the width/height fields. Always keep aspect ratio locked when scaling from a different starting size.

How do I resize a photo for a Facebook cover?

Facebook cover photos display at 820×312 pixels on desktop. Set width to 820 and height to 312. If your photo is portrait-oriented, crop it first with the image cropper before resizing.

How do I resize a photo for email without losing quality?

Resize to no more than 1200px wide — this is large enough for any email client but small enough to not slow down loading. Then use image compression to reduce file size further. Aim for under 1 MB for email-friendly photos.

Does resizing a photo reduce its quality?

Resizing down (smaller) results in a slight softening but looks fine at normal viewing sizes. Resizing up (larger) creates blurry results — always start from the highest resolution original. Use the highest quality source photo you have.

How do I resize an iPhone photo?

iPhone photos in HEIC format can be resized here directly. If they're large (typically 12–48 MP), resize to your target dimension and the file will be much more manageable. You can also convert HEIC to JPG first if needed.

How do I resize a photo to a specific file size?

Resize first to reduce pixel count (the main driver of file size), then use the compress image tool to hit an exact KB target. Halving both dimensions reduces file size ~75%; the quality slider gives fine control over the rest.

Can I resize multiple photos at once?

The tool currently processes one photo at a time. For multiple photos, process each in turn — each resize takes about 2 seconds.

What resolution should I resize photos to for email?

Resize to 1200–1600 pixels on the longest side at 85% JPG quality — this produces files in the 200–500 KB range, which is comfortably within any email provider's attachment limit and loads quickly for recipients on any connection. Wider than 1600px is unnecessary for viewing in an email client and only adds file size. After resizing, use the image compressor if you need to reduce file size further.

What size should I resize photos for Instagram?

Instagram displays three main proportions: 1080×1080px for square feed posts (1:1 ratio), 1080×1350px for portrait feed posts (4:5 ratio, which gets more vertical space in the feed), and 1080×566px for landscape feed posts (1.91:1 ratio). For Stories and Reels, resize to 1080×1920px (9:16). The 4:5 portrait format at 1080×1350px is generally recommended for feed posts because it takes up more screen space.

What size should I resize photos for WhatsApp?

WhatsApp automatically compresses images that exceed 1600 pixels on the longest side — so resizing to 1600px or smaller before sending avoids WhatsApp's automatic compression, giving you more control over the final quality. For sharing photos where quality matters, resize to exactly 1600×1200px (or proportionally) and set JPG quality to 90%+ before sending, rather than letting WhatsApp compress unpredictably.

How do I resize a photo on iPhone without an app?

Open the photo in the built-in Photos app → tap Edit → tap the Crop icon to change the aspect ratio or crop framing, but note that Photos does not let you specify exact pixel dimensions. For pixel-precise resizing, open toolchop.com/photo-resizer in Safari, upload your photo, enter the exact width and height, and download the result. No app installation needed — it runs entirely in the browser.

How do I resize a photo for a passport?

The standard US passport photo size is 2×2 inches at 300 DPI, which equals 600×600 pixels. Enter 600 for both width and height, uncheck aspect ratio lock if your photo is not already square, then download as JPG. Check your specific country's requirements — UK passport photos are 35×45mm (equivalent to 413×531px at 300 DPI); Australian passport photos are 35×45mm as well. Always verify the current requirements on your government's official passport website before printing.