It allows you to resize multiple images at once (bulk resize) directly in your browser — quickly, for free, and without installing any software.

Yes — we use high-quality resizing with good smoothing algorithms.

For best results we recommend:

• Avoid extreme downscaling/upscaling
• JPEG quality stays very good (~92%)

Yes — transparency (alpha channel) is preserved when you upload and resize PNG images.

Currently supported formats:
• JPG / JPEG
• PNG (with transparency)
• WEBP (including transparency)

There is no strict limit from our side.

However, very large batches (100+ big images) may be slow or use a lot of browser memory — we recommend processing 20–50 images at a time for best performance.

No — everything is processed **locally in your browser**.
Your images never leave your device and are not stored anywhere online.

Yes — completely free, no registration, no hidden fees.

You can resize as many images as you want (best results with smaller batches).

No — the tool keeps the original format.
PNG stays PNG (with transparency), JPEG stays JPEG, WEBP stays WEBP, etc.

Yes — it works on phones, tablets and computers.

Note: processing many large images on mobile may be slower due to device limitations.