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Image Resizer

Batch-resize images by pixels or percentage, with common presets and aspect-ratio lock

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WHAT IS IMAGE RESIZER?

Image Resizer uses a high-quality, multi-step downscale algorithm to batch-resize images without harsh aliasing. Supports both pixel and percentage modes, with built-in presets for common social media sizes.

Features

  1. Pixels or percentage: enter exact target dimensions, or scale by a percentage of the original.
  2. Common presets: 1920×1080, 1280×720, 1080×1080 (square), 1200×630 (social share), 1080×1350 and 1080×1920 (Stories) — apply with one click, then fine-tune freely.
  3. Aspect-ratio lock and "do not enlarge" are both ON by default, preventing distortion or upscale-induced quality loss.
  4. Batch processing, with output as the source format, JPEG, PNG, or WebP.

How to use?

  1. Choose "Pixels" or "Percentage" mode, then enter a target size or click a preset.
  2. Upload images and click "Resize".
  3. Download a single result, or use ZIP to get them all at once.

Frequently asked questions

Does resizing affect image quality?

The tool uses a progressive multi-step downscale algorithm, which avoids the aliasing of a single-pass resize — quality comparable to dedicated image software.

What does "do not enlarge" mean?

When enabled (default), if your target size exceeds the original, the tool will not upscale (which would blur the image) — it stays within the original size.

Can I fine-tune after choosing a preset?

Yes. Presets are just a quick starting point — width/height remain fully editable afterward.

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