Convert HEIF to WebP Online
Turn HEIF files into WebP directly in your browser using ConverterUp. There is no upload, no waiting in a queue, and no account required — your files stay on your device while WebAssembly does the work locally. Adjust quality and dimensions where supported, then download the result. The output keeps the visual fidelity you'd expect from a desktop app while running entirely in the browser tab.
Convert HEIF to WebP nowHow to convert HEIF to WebP
Open the converter
Click the button to open the HEIF to WebP tool. It loads instantly — no install, no signup.
Drop your HEIF file
Drag your HEIF file into the upload area or click to browse. The file stays in your browser memory only.
Download WebP
The conversion runs locally and finishes in seconds. Click download to save the WebP file to your device.
HEIF vs WebP at a glance
Key technical differences between the two formats, so you know what to expect before converting.
| Feature | HEIF | WebP |
|---|---|---|
| Type | Raster image | Raster image |
| Compression | Lossy | Lossy or lossless |
| Transparency | Full alpha channel | Full alpha channel |
| Animation | — | Yes |
| Bit depth | 8, 10 bit/channel | 8 bit/channel |
| Common codecs | HEVC (H.265), AVC (H.264), JPEG | — |
| Browser support | Partial | All modern browsers |
| Extensions | .heif | .webp |
| MIME type | image/heif | image/webp |
| Introduced | 2015 · MPEG (ISO/IEC 23008-12) | 2010 · Google |
What changes when you convert HEIF to WebP
- WebP stores pixels losslessly, so no additional detail is lost — but it cannot restore detail that HEIF compression already discarded, and the file usually gets bigger.
- Transparency is preserved: WebP supports an alpha channel, so transparent backgrounds from HEIF stay transparent.
- WebP is less space-efficient than HEIF, so expect the converted file to be larger than the original.
- Compatibility improves: WebP opens in more browsers, apps and operating systems than HEIF.
- HEIF is the default photo format on iPhones and iPads. Converting it avoids the "unsupported file" errors common on Windows, Android and many websites.
About HEIF
HEIF (High Efficiency Image File Format) is an MPEG standard container for images and image sequences. It usually stores HEVC-compressed pictures and is used by some Android phones and cameras.
- Best for
- Photos from newer smartphones and cameras that save in HEIF instead of JPG.
- Strengths
- Efficient compression, high bit depth, can hold several images and metadata.
- Limitations
- Limited browser and software support, similar to HEIC.
About WebP
WebP is Google's image format for the web. It supports lossy and lossless compression, alpha transparency and animation in a single format, usually producing smaller files than JPG or PNG.
- Best for
- Website images, e-commerce product photos, animated stickers and anything served to browsers where page speed matters.
- Strengths
- Smaller than JPG/PNG at similar quality, transparency and animation, supported by all modern browsers.
- Limitations
- Some older desktop software, print workflows and upload forms still do not accept it.
Frequently asked questions
Is the HEIF to WebP conversion really free?
Yes. ConverterUp is fully free, with no signup, no watermarks, and no daily quota for the HEIF to WebP converter. We support the project through unobtrusive ads.
Are my HEIF files uploaded to a server?
No. Conversion runs in your browser using WebAssembly. The HEIF bytes never leave your device, and we have no upload endpoint at all.
What is the maximum file size?
For HEIF input, the soft cap is 50 MB for images and 500 MB for video. Practical performance depends on your device's RAM.
Does converting HEIF to WebP reduce quality?
No further quality is lost, because WebP is lossless. The file will not look better than the HEIF source, though, and it will usually be larger.
Does WebP keep the transparent background of my HEIF?
Yes. WebP supports a full alpha channel, so transparency from the HEIF file is preserved.
Related guide
PNG vs JPG vs WebP: Which Format to Use WhenRelated conversions
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