WebP / AVIF ↔ JPG / PNG Converter
Open WebP photos that won't load in Word, PowerPoint, or older viewers — convert to JPG in one click.
Your images are not uploaded to any server. All conversion runs in your browser.
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Common use cases
| Situation | Recommended conversion |
|---|---|
| WebP from chat / Instagram into Word or PowerPoint | WebP → JPG (quality 90) |
| Blog or forum upload | WebP / AVIF → JPG (quality 85) |
| Email attachment, photo print | WebP / AVIF → JPG (quality 95) |
| Your own website (smaller files) | JPG / PNG → WebP (quality 80–85) |
| Modern web standard, Lighthouse score | JPG / PNG → AVIF (quality 75–80) |
| Logos / icons / transparent backgrounds | WebP / AVIF → PNG (lossless) |
| GIF animation → still image | GIF → JPG / PNG (extract first frame) |
Related tools
What are WebP, AVIF, JPG, PNG, and GIF exactly?
JPG (1992): lossy compression for photos, universal support. PNG (1996): lossless, supports transparency, ideal for logos. GIF (1987): 256-color palette + animation. WebP (2010, Google): ~25–35% smaller than JPG at same quality, supported by Chrome / Firefox / Safari. AVIF (2019, AV1-based): even smaller than WebP, modern browsers only.
Why do messaging apps save photos as WebP?
Server cost and load speed. WebP is 25–35% smaller than JPG at the same quality, saving bandwidth. Apps and CDNs auto-convert on upload — even when you "download original", you get a WebP. Convert with this tool when you need a JPG.
How many files can I batch?
No hard limit — depends on browser memory. Desktop Chrome: 50–100 files easily. Mobile: 20–30 recommended. Split large batches into 10–20 at a time for safety.
Is EXIF (date, GPS) preserved?
Canvas API conversion strips EXIF metadata. For SNS / blog uploads this is actually a privacy plus (no GPS leak). If you need EXIF preserved, use a dedicated EXIF tool first.
Frequently asked questions
Are my files uploaded to a server?
No. All conversion runs in your browser using Canvas API and native decoders. The site operator cannot see your photos.
Why won't WebP open?
WebP is ~25–35% smaller than JPG. Apps auto-save photos as WebP, but Word, PowerPoint, some viewers, and older browsers don't support it. Convert to JPG → opens everywhere.
What is AVIF?
AVIF is the next-generation AV1-based image format, smaller than WebP. Modern Chrome / Firefox / Safari support it, but Photoshop and many viewers don't. This tool decodes AVIF and re-encodes as JPG / PNG.
Which format should I choose?
JPG = photos, universal. PNG = transparency, lossless. WebP = web pages, blog SEO. AVIF = newest web standard, limited support. For email use JPG; for design use PNG; for your website use WebP.
Will the image quality drop?
JPG / WebP / AVIF use lossy compression — at quality 90+ the visual difference is negligible. PNG is lossless. No extra loss beyond the chosen format's compression.
Can I batch convert?
Yes. Drag-drop multiple files; each shows its progress; download individually or 'Download all'.
References
Last verified: 2026-05-10 / Browser native Canvas API + image decoders (no external libraries).
- Canvas API — MDN
- WebP standard — Google, RFC 6386 (VP8) + extensions
- AVIF standard — AV1-based, MIAF / ISO/IEC 23000-22
- HTMLCanvasElement.toBlob() — browser native encoder
⚠️ Always verify the converted image looks correct before deleting the original. Keep originals for important purposes (print).