Automated Postly Tool

WebP Converter

Convert between WebP, PNG, and JPG automatically as part of your Postly publishing workflow—lighter files, faster loads, better reach.

PNG/JPG input

Auto conversion

WebP output

Smaller size

PNG/JPG ⇄ WebP both ways

Better compression, crisp visuals

Preserve transparency where supported

Optimized for modern browsers & apps

Great for blogs, shops & social

Batch-ready for campaigns

When to use WebP

WebP is a modern format that keeps quality high with smaller sizes—a win for blogs, product catalogs, and social feeds. Auto-Fix picks the right format for your destination automatically.

Compatibility covered

If a target platform doesn’t accept WebP, Auto-Fix will export the appropriate PNG/JPG while preserving transparency and color where supported.

Frequently Asked Questions

Why convert to WebP?

WebP achieves smaller sizes at similar quality vs JPG/PNG, improving page speed and user experience for modern devices.

When should I convert WebP back to PNG/JPG?

If a specific platform or tool requires PNG or JPG, Auto-Fix can convert back automatically during publishing.

Does WebP support transparency?

Yes—WebP supports alpha transparency. Auto-Fix preserves it where the destination supports it.

Is this manual?

No. Auto-Fix runs during scheduling/publishing from Postly. You can still preview and adjust if needed.