sepoootools All toolsBlog
Home › Tools › Bulk Resize

Bulk Resize Photos — Many Pictures at Once

Your file stays on your device — nothing is uploaded to any server.
Choose photos
You can select many at once

How to read the result

You get the total size before and after, and each photo listed with its own before and after size and its new pixel dimensions. Every photo keeps its shape — a portrait photo stays portrait. Only the longest side is set; the other side follows automatically.

If a photo is already smaller than the size you asked for, it is left at its own size rather than being stretched. Making a small photo bigger cannot bring back detail that was never there.

What this tool cannot do

What this tool does

Doing one photo at a time is fine for a passport picture, but not for forty holiday photos you want to email, or a batch of product pictures for a shop listing. This tool applies the same maximum size and quality to every photo you select and hands them back one by one, all inside your browser.

How to use it

  1. Select all the photos you want to shrink.
  2. Set the longest side in pixels — 1600 suits most uses.
  3. Set the quality. Eighty is a good balance.
  4. Tap Resize all, then download.

Tips that actually help

Many photos at once

With a lot of pictures, space and a fast connection to the computer pay off:

Als Amazon-Partner verdiene ich an qualifizierten Verkäufen.
(As an Amazon Associate I earn from qualifying purchases. Links go to amazon.de.)

Questions people ask

Will it crop my photos?

No. Every photo keeps its shape and is only made smaller.

How many photos can I do?

There is no fixed limit, but big batches use a lot of memory on a phone.

Are the photos uploaded?

No. Everything runs on your own device.

More tools

📏 Image Resizer🛠 Image Compressor🔄 Image Converter✂ Crop Image