Image Batch
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Compress · Browser-local batch tool

PNG Compressor

Compress PNG images with lossless re-encoding or a smaller color palette. Keep PNG output and compare actual file sizes before downloading.

Ready-to-use presetLive pixel previewIndividual files or ZIP

or drop your images here

JPEG, PNG, WebP, HEIC & AVIF · 50 files · 40 MB each
Open empty studio
Terracotta mug sample available to try in the editor
Your files. Your device.

How it works

From source files to finished batch

01

Choose your source images

Select images to open png compressor in the studio. The matching workflow and preset are selected automatically; you can still change them before export.

02

Review the preset

Start with 256 colors for icons and screenshots. Try all-colors lossless for artwork whose colors must not change, or 64–128 colors when a simpler palette is acceptable.

03

Process and save copies

Preview the selected image, then process the whole batch. Compare the real dimensions and encoded size before saving individual results or one ZIP. Your originals are not overwritten.

Common uses

Built for everyday image work

A focused compress workflow

Compress PNG images with lossless re-encoding or a smaller color palette. Keep PNG output and compare actual file sizes before downloading.

One image or a whole folder

Use the same settings across up to 50 files. Check unusual compositions or mixed-resolution images before processing the batch.

Combine with other edits

Add resize, crop, rotate, color, watermark, or compression steps in the studio. The workflow runs in the displayed order and shares one final output format.

Worth knowing

Keep the output predictable

Choosing the right settings

Start with 256 colors for icons and screenshots. Try all-colors lossless for artwork whose colors must not change, or 64–128 colors when a simpler palette is acceptable.

Format and quality limits

Palette compression can introduce banding in gradients. Lossless may produce a larger file; keep-smaller mode can retain the original when dimensions are unchanged.

Local processing and source limits

Files stay in browser memory. Each source can be up to 40 MB, within the 16,384-pixel edge and 80-megapixel canvas limits. HEIC uses the first contained image; AVIF requires browser decoding. Export is JPEG, PNG, or WebP, not HEIC or AVIF.

Keep working

Related image tools

JPEG Compressor

Reduce JPEG photo file sizes with adjustable quality, an optional long-edge limit, and batch ZIP export. Originals remain untouched.

WebP Compressor

Compress WebP images with quality controls and optional target KB limits. Preserve transparency and export an entire batch locally.

Compress Image to 100 KB

Prepare images for a 100 KB upload limit. Search compression quality first, then reduce dimensions when necessary, with the result size shown clearly.

Compress Image to 200 KB

Aim for a 200 KB image budget for forms, listings, and attachments. Process multiple photos with one shared target in your browser.

Browse all image tools

FAQ

PNG Compressor questions

How do I use png compressor?

Start with 256 colors for icons and screenshots. Try all-colors lossless for artwork whose colors must not change, or 64–128 colors when a simpler palette is acceptable. Choose images above to load these settings automatically, or open the empty studio to adjust them first.

What should I check before downloading png compressor results?

Palette compression can introduce banding in gradients. Lossless may produce a larger file; keep-smaller mode can retain the original when dimensions are unchanged.

Does choosing images upload them?

No. The editor decodes and processes image files on your device. It loads its code from this website, but does not send your image contents to an image-processing service.

Ready when you are

Your next batch starts here.

PNG Compressor. No image uploads.