How to Compress Multiple Images at Once (Free, Bulk)

Compressing photos one by one wastes time. Here's how to bulk-compress many images at once, free.
Got a folder of heavy photos to lighten? Compressing them one at a time is a slog. A batch editor compresses them all at once, so a whole set gets smaller in a single pass — ideal for websites, email and uploads. Here's how, free.
Why compress in bulk
Lighter images mean faster pages, quicker uploads and smaller emails — and doing a whole folder together saves you repeating the same task dozens of times. One setting, applied to every image.
How to bulk compress (free)
Step 1 — Open the batch editor at sjpt.io/batch-editor.
Step 2 — Add all your images.Step 3 — Choose Compress (set quality or a target size).
Step 4 — Run and download the whole set.
Processed in your browser.
Resize first for the biggest win
If the images are much larger than needed, resize the set first, then compress. Fewer pixels plus compression gives the smallest files — often 80–90% lighter with no visible change.
Common uses
Website galleries — fast-loading, SEO-friendly. Email batches — send many without hitting limits. Marketplace listings — meet size caps across a set. Cloud storage — fit more in less space.
Frequently asked questions
How do I compress multiple images at once for free?Open JPT AI's batch editor, add your images, choose Compress, and run. Free, in your browser.
Will quality drop?Not visibly at sensible settings — the change is invisible while files shrink a lot.
Should I resize too?Yes — resizing oversized images first gives the smallest files.
Is there a limit?It's free and handles large batches in the browser.
Key takeaways
Bulk-compress a whole folder in one pass (resize first for the biggest saving) — lighter files for faster pages and easier uploads. Free at sjpt.io/batch-editor. Bulk Compress Free →


