Image Upscale & Downscale (All Formats)

Drag & Drop image here or click to select
No file selected
5% (downscale)
100%
500% (upscale)
100% keeps original size. <100% downscales, >100% upscales.
Fill one side; the other auto-calculates to keep aspect ratio. Fill both to force exact size.
Used for JPG/JPEG/WEBP. PNG maps to compression. GIF/BMP ignore quality.
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Click download to save your resized image.
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Free Image Upscale & Downscale — Resize JPG, PNG, WEBP, GIF, BMP

Resize images online in seconds. Upscale from 100–500% or downscale from 90–5%, or set an exact pixel size. This free tool keeps your workflow simple—no watermark, no database. Choose output format (JPG/PNG/WEBP/GIF/BMP) and quality for the best balance between clarity and file size.

Why resize images?

How it works

  1. Drag & drop an image or click to select
  2. Pick Percentage or Exact size and choose output format
  3. Click Resize & Download for instant results

Tip: For smallest size, choose WEBP and downscale. For crisp visuals, use JPG quality 85–90 or WEBP 80–90.

Image Upscale & Downscale — Frequently Asked Questions

Input & output: JPG, JPEG, PNG, WEBP, GIF, BMP (server GD support required for some encoders like WEBP/BMP).

Percentage scales relative to original (5–500%). Exact size lets you set width/height in pixels; leaving one side blank auto-keeps aspect ratio.

Yes. Use Exact size or set Percentage (e.g., 1200%). Note that GD interpolation is not AI super-resolution; extreme upscaling may blur.

It affects JPG/JPEG/WEBP. For PNG we map it to compression; GIF/BMP ignore quality.

You can choose any solid color (default: white). Transparency is not supported in JPG/BMP, so we flatten onto that color.

Yes. We auto-correct common EXIF orientations for JPEGs before resizing/conversion.

Uploads up to 10 MB by default (you can adjust server/upload limits). Max canvas we allow is 8000×8000 px for safety.

Yes. Choose Keep original in output format (available in the resizer). In the converter, just pick the same format as output.

No watermark. We do not embed trackers or hidden metadata.

No database storage. Images are processed in memory and returned for download immediately.

No. GD scales pixels; it doesn’t create new detail. For AI super-resolution, integrate an external API.

Not as animation. GD reads the first frame only and outputs a single-frame image.

Some formats (e.g., PNG with complex images) may be larger than a JPEG/WebP. Adjust the output format and quality to balance size vs clarity.

WEBP usually produces the smallest files for photos and web use at similar visual quality.

For general use: JPG 80–90 or WEBP 75–90. PNG is lossless; we map quality to compression time/ratio.

Yes for PNG/WEBP/GIF. For JPG/BMP we flatten onto your chosen background color.

This version processes one image per run for reliability. You can repeat as needed.

All modern browsers (Chrome, Edge, Firefox, Safari) with JavaScript enabled.

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