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Image Tools

Image Resizer

Change an image's dimensions by exact pixels, by percentage, or with a ready-made social-media or passport-photo preset — with a live before/after preview so you see the result before you download. All processing stays in your browser.

Drop an image here or click to browse

JPG, PNG or WebP

Your data is processed locally in your browser and is never uploaded to our server.

How to use image resizer

  1. Upload an image

    Drop or select the image you want to resize.

  2. Set the new size

    Pick a social-media or passport-photo preset, or enter a width, height, or percentage. Keep the lock on to hold proportions.

  3. Check the preview, then download

    Compare the before/after preview and estimated file size, then click Resize & download.

Features

Pixels, percent or preset

Resize to exact dimensions, scale by a percentage, or pick a ready social-media or passport-photo size.

Live before/after preview

See the resized image and its estimated file size before you download.

Aspect-ratio lock

Automatically fills the matching dimension so images don't stretch.

Choose the output format and quality

Export as PNG, JPEG or WebP, with a quality slider for JPEG/WebP.

Supported formats and limitations

Common JPG, PNG, WebP, and GIF inputs where supported.

Use cases include personal workflows, content preparation, and quick checks. Review output before relying on it for legal, financial, accessibility, or production decisions.

Frequently asked questions

Will resizing reduce quality?

Scaling down is generally clean. Scaling up beyond the original size can look soft because there's no extra detail to add — the tool warns you when your target is larger than the original.

Does the aspect ratio lock work both ways?

Yes — change either width or height, or pick a preset, and the other dimension updates to keep the image's proportions.

Which preset should I use for a passport or exam-form photo?

Most Indian exam and passport portals expect a roughly square photo in the low hundreds of KB — the 600×600 preset covers the common 2×2 inch requirement, but always check the exact pixel and KB limit on your specific form.

Is anything uploaded?

No. Resizing and the preview are done with the canvas API on your device — the image never leaves your browser.