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 ⇄ 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.