Convert PNG to WebP and shrink your images.
Turn PNG images into WebP — typically ~30% smaller at similar quality, ideal for fast-loading websites. Runs instantly in your browser; nothing uploads.
How it works
- 01
Add your PNG
Drop one or many files, or click to browse. Private by default.
- 02
Convert in your browser
PNG becomes WebP instantly on your device — no upload, no paid API.
- 03
Download
Grab your WebP (or a zip of many), then open it in TranscriptAI if you want more.
Runs fully in your browser — files never upload
Batch convert many at once, download as a zip
High quality, no watermark, no signup
WebP is ~30% smaller than PNG/JPEG at similar quality
Honest about limits — best available engine
Direct handoff to TranscriptAI
Your file is ready. Want to do more with it?
Open this file in TranscriptAI to generate a transcript, summary, structured notes, flashcards, quiz questions or action items — automatically.
Common questions
Is it free?+
Yes — convert PNG to WebP free, with no signup.
Is my image private?+
Image conversions run entirely in your browser and never upload to a server.
Why WebP?+
WebP files are typically about 30% smaller than PNG or JPEG at similar visual quality, so pages load faster.
Related workflows