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HEIC to WebP Converter
Make HEIC images lighter for the web with WebP. Free and private.
Drop HEIC files here
batch and mixed formats welcome
- Private by design. Converted inside your browser.
- Instant. No upload queue, no waiting.
- Unlimited. Convert hundreds of files, download as ZIP.
How to convert HEIC to WebP
Add your HEIC files
Drop them on the converter, click Choose files or paste from the clipboard. You can add as many as you like.
Adjust the settings
Set the WebP quality. 80–90% is a good balance between size and sharpness.
Download your WebP files
Each file converts automatically. Save files one by one or all at once as a ZIP.
Why convert HEIC to WebP?
HEIC is the default photo format on iPhone and iPad. It keeps good quality at about half the size of JPG, but Windows, many websites and upload forms do not accept it.
WebP files are usually much smaller than JPG and PNG while keeping transparency, which makes pages load faster.
HEIC vs WebP
| HEICHigh Efficiency Image File | WebPWebP image | |
|---|---|---|
| Type | Raster photo container (HEIF + HEVC) | Raster image for the web |
| Compression | Lossy, about half the size of JPG | Lossy or lossless |
| Transparency | Supported, rarely used | Supported |
| Animation | Image sequences, rarely used | Supported |
| Support | Apple devices; Windows only with an extension | All modern browsers; patchy in older desktop apps |
| Best for | Storing iPhone and iPad photos | Website images where page speed matters |
Frequently asked questions
Is WebP smaller than HEIC?
Usually, yes. WebP compresses efficiently and is supported by all modern browsers. The exact saving depends on the image.
Can I convert many HEIC files at once?
Yes. Add as many files as you like; each one converts automatically and you can download them all as a ZIP.
How do I open HEIC files without converting?
You need software that supports HEIC. If you only need to view, share or upload the image, converting it is usually quicker than installing a new program.
Are my files uploaded to a server?
No. formatmath converts files with code that runs inside your browser. Your files are never uploaded, stored or seen by us.
Is it free?
Yes. There is no watermark and no daily limit. An account is optional and only keeps a history of your conversions.