OmniConvert
Image Tools

Image Resizer

Quickly standardize photo collections for website galleries, e-commerce stores, and catalogs.

Input:JPGPNGWEBPOutput:JPGPNGWEBP

Select files for Image Resizer

Drag & drop your files here, or click to browse

Supports:JPGJPEGJFIFJPEPNGWEBP+5 more· up to 50 MB each, 30 files max
Files are processed on our server and deleted automatically after processing
Conversion & Output Settings
px
px
Never Enlarge

Leave images that are already smaller untouched.

85%
KB

For JPG/WEBP output: quality is reduced until each file fits.

  • Every uploaded image is resized with the same settings. With a target size, JPEG/WEBP quality (and if necessary dimensions) is reduced until the file fits.
Free to useNo sign-up and no watermarks on your files

How to use Image Resizer

From upload to download in 3 steps.

  1. 1

    Add your files

    Choose or drag up to 30 JPG, JPEG, JFIF, PNG, WEBP, AVIF and 4 more files into the upload area (up to 50 MB each).

  2. 2

    Adjust the settings

    Optionally change the resize by, never enlarge, output format and 1 more — the defaults work well for most files.

  3. 3

    Process and download

    Click Process, follow the progress, and download the result — several files are bundled into one ZIP. Files are deleted from the server automatically afterwards.

Supported formats and settings

Input formats
JPGJPEGJFIFPNGWEBPAVIFTIFFTIFHEICHEIF
Output formats
JPGPNGWEBP
Limits
  • Up to 50 MB per file
  • Up to 30 files per job
  • Files are deleted automatically after processing
Resize By
Width / height, Percentage and Social media preset
Width
1–16000 px
Height
1–16000 px
When Both Are Set
Fit inside (keep aspect), Crop to fill exactly, Pad to exact size and Stretch (ignore aspect)
Scale
1–400 %
Preset
Instagram post (1080×1080), Instagram portrait (1080×1350), Instagram/TikTok story (1080×1920), Facebook cover (820×312), X / Twitter post (1600×900), YouTube thumbnail (1280×720) and 2 more
Never Enlarge
Leave images that are already smaller untouched.
Output Format
Same as input, JPG, PNG and WEBP
Output Quality
1–100 %
Background for Transparency
JPG and BMP cannot store transparency; transparent pixels are filled with this color.
Max File Size
5–50000 KB

Why use our Image Resizer?

Genuine Processing

Real conversions by proven engines — never renamed copies or fake results.

Private by Design

Files are deleted automatically after processing and never used for training.

Free to Use

No account, no subscription and no watermarks on your files.

Frequently Asked Questions

Which file formats does Image Resizer support?

Image Resizer accepts JPG, JPEG, JFIF, PNG, WEBP, AVIF, TIFF, TIF, HEIC and HEIF files. It produces JPG, PNG and WEBP.

Is there a file size limit?

Each file can be up to 50 MB, and you can process up to 30 files at once. Larger files take longer to upload and process.

What happens to my files?

Files are uploaded only when you start processing. They are stored under random names in a private temporary folder, processed, and deleted automatically shortly afterwards — the exact time is shown with your result — or immediately when you click “Delete files now”. Files are never shared or used for training.

How does Image Resizer work, and what are its limitations?

Every uploaded image is resized with the same settings. With a target size, JPEG/WEBP quality (and if necessary dimensions) is reduced until the file fits.

Is Image Resizer free to use?

Yes. Image Resizer is free, needs no account, and does not add watermarks to your files.

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