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Image Resizer

Resize images to custom dimensions.

Tool interface

Free upload limit: 50MB

Result

Run the tool to see output...

About Image Resizer

Image Resizer sets exact width and height in pixels for JPG and PNG uploads—essential when a website demands 1200×630 social images, a form caps dimensions, or a slide deck rejects oversized photos. Social media managers batch consistent crops; developers generate placeholders; students meet strict project rubrics. Unlike casual pinch-zooming, explicit resizing changes the file’s pixel grid, which affects sharpness when upscaling.

Upscaling cannot invent real detail; enlarging a tiny icon will look soft. Downscaling usually improves perceived sharpness for photos by reducing noise. Maintain aspect ratio mentally: mismatched width/height without cropping stretches subjects. If you need both resize and compress, run resize first then Image Compressor for byte savings.

After resizing, JPG to PDF packages pages for single-file homework uploads. Remove Background may pair well when marketplace templates demand exact canvases.

Keep lossless masters offline before destructive resizing. Medical or forensic images may forbid cloud resizing—follow policy. For creative work, verify licensing when resizing stock photos, and avoid processing personal images of others without consent beyond lawful use cases.

Supported formats

This tool accepts JPG / JPEG, PNG. Always respect the upload limit shown next to the form before sending large documents.

How to use

  1. Upload your file in the file field.
  2. Complete the extra fields (password, page ranges, quality, and similar).
  3. Click Run tool.
  4. Download or read the output below.

If processing fails, check the upload size limit on the form, try fewer or smaller files, or retry in a fresh tab.

Security & privacy

Files and text you send are processed to produce your result and are not intended for long-term storage on your behalf. Avoid uploading passports, bank details, medical records, or legally sensitive material unless you accept the risks of any online service. For confidential workflows, prefer offline software on a device you control. Read our privacy policy for site-wide practices.

Related tools

More utilities in the same category—open another tool in one click.

Image OCR — Text detection

Extract text from a JPG or PNG photo or scan using OCR (Tesseract). Ideal for receipts, notes, and screenshots.

Remove Background

Remove image background using Remove.bg API.

Image Compressor

Compress JPG/PNG images quickly.

JPG to PNG

Convert JPG images to PNG.

PNG to JPG

Convert PNG images to JPG.

Frequently asked questions

Answers for Image Resizer—expand a question to read more.

What does Image Resizer do?

Image Resizer lets you: Resize images to custom dimensions.

How do I use Image Resizer?

Upload your file, fill in the fields (for example page ranges, password, or settings), then click Run tool.

Do I need an account or paid software?

No account is required for core use. You run the tool here in your browser—no separate desktop license is needed from us. Your organization may still block downloads or uploads on its network.

Are my files stored on your servers?

Inputs are processed so we can return your result. Temporary files are removed according to the retention settings configured for this site. Avoid uploading highly sensitive documents on shared or public devices.

What is the upload size limit?

Typical uploads are limited to about 50 MB per request on this site (see the note under Run tool). If a file is too large, compress it first or contact the site operator to raise the limit.