How to convert HEIC to WEBP online
- 1
Drop your HEIC file
Drag your High Efficiency Image Container file onto the box above, or click it to pick a file.
- 2
Wait a few seconds
Conversion starts on its own and runs on your device, not on a server.
- 3
Download your WEBP
Click Download to save the Web Picture Format file.
HEIC vs WEBP: format overview
High Efficiency Image Container
Apple (based on MPEG HEIF/ISO spec) · 2017
- Compression
- lossy
- Color depth
- 12-bit
- Transparency
- Yes
- ✓ 50% smaller than JPEG at equivalent quality
- ✓ Supports 16-bit depth and HDR
- ✗ Poor browser support
Web Picture Format
Google (On2 Technologies acquisition) · 2010
- Compression
- hybrid
- Color depth
- 8-bit
- Transparency
- Yes
- ✓ 30% smaller than JPEG, 26% smaller than PNG
- ✓ Supports both lossy and lossless
HEIC magic bytes: 00 00 00 18 66 74 79 70 68 65 69 63
WEBP magic bytes: 52 49 46 46 xx xx xx xx 57 45 42 50
Why convert HEIC to WEBP?
HEIC files from iPhone are efficient for on-device storage but create compatibility problems the moment they leave the Apple ecosystem. Uploading HEIC photos to a website, sharing them through a web form, or using them in a web-based design tool like Figma or Canva typically results in errors or blank placeholders. Windows users receiving HEIC files by email or through shared folders often cannot open them without installing a separate codec from the Microsoft Store.
WebP resolves the compatibility issue while preserving the compression efficiency that makes HEIC attractive in the first place. All major browsers support WebP, and platforms built for web content delivery expect it. Google Photos displays WebP natively, Squarespace and Webflow handle WebP images without conversion, and web developers can serve WebP directly from AWS S3 or Cloudflare without additional processing. Switching from HEIC to WebP means your images work everywhere on the modern web.
Converting HEIC to WebP produces files that are visually comparable to the original at equivalent quality settings. WebP supports both lossy and lossless modes, so you can match the quality level appropriate to your use case. File sizes are slightly larger than HEIC in most cases but significantly smaller than equivalent JPEG files. If the original HEIC contains HDR or wide-gamut color data, standard WebP will clip that to the sRGB range, so for professional photography workflows, check your color space requirements before batch converting an entire library.
Quality & file size: HEIC to WEBP
Typical sizes (12MP photo): HEIC 1.5–3 MB → WEBP 1–3 MB.
On the free tier, WEBP output has a repeating formatdrop.com watermark; Pro output doesn't.
WEBP output is encoded at quality 85 — a small file with no visible difference for most photos.
Transparency is kept.
Frequently asked questions
Will the image quality change after conversion?
Your HEIC file never leaves this tab — FormatDrop has no endpoint that receives file data. How it works