Convert HEIC to AVIF Online
Create AVIF files from HEIC sources with a free online converter. The conversion runs on the server, batches are supported, and the server limit is 100 MB per file. Keep the original file while you review the converted copy. The tool works without a plugin or extension.
Convert .HEIC to .AVIF
Select a file to begin. Processing details and limits are listed below.
How to convert HEIC to AVIF
- 1
Choose HEIC files
Add one or more HEIC files to the queue. The uploader keeps batch items separate.
- 2
Choose AVIF settings
Set the available quality or format options, or keep the defaults for a first pass.
- 3
Run and save the result
Run the queue and download the AVIF files individually or together as a ZIP.
High Efficiency Image Container vs AV1 Image File Format
| Spec | High Efficiency Image Container | AV1 Image File Format |
|---|---|---|
| MIME type | image/heic | image/avif |
| Format type | image | image |
| Standard | ISO/IEC 23008-12 (HEIF) with HEVC image coding | Pending review |
| First release | 2015 (HEIF); Apple adopted HEIC in 2017 | Pending review |
| Browser support | Limited native decoding; server or local conversion is often required | Pending review |
| Contents | HEIF container holding HEVC-coded still images, image sequences, depth maps, and metadata. | Next-generation image compression based on AV1 video codec. |
About High Efficiency Image Container
Small files at high quality, support for image sequences and depth data, and efficient storage on mobile devices. Compatibility is inconsistent outside Apple devices; browsers and desktop apps often need a decoder or extension.
Format referenceAbout AV1 Image File Format
Next-generation image compression based on AV1 video codec.
Why convert HEIC to AVIF?
- Converting HEIC to AVIF can make a photo or graphic work in software that does not accept the source format.
- The output can be optimized for a different balance of file size, transparency, and visual fidelity.
- AVIF may be the better handoff format for a design tool or publishing workflow.
- The converted copy can be tested in the destination app before the source archive is changed.
Will quality change?
The destination uses lossy image compression, so repeated conversions can add artifacts. Start from the best source available and review the result at its final size. Keep the source if you may need to adjust the conversion later.
Processing and limits
- Processing
- Server-side
- Engine
- Sharp and ImageMagick
- Maximum size
- 100 MB per file on the server.
- Batch support
- Yes, multiple files can be queued; completed results can be downloaded as a ZIP.
- Quality controls
- Options can adjust output dimensions.
The file is processed on the server because the conversion requires a server-side engine or a utility operation.
- Compatibility is inconsistent outside Apple devices; browsers and desktop apps often need a decoder or extension.
- Review the converted file in the destination application before deleting the source.
- Batch results should be spot-checked before publication or delivery.
Platform compatibility
The output is a AVIF file. Use an application or device that accepts that format, and test the result on the destination platform if compatibility is critical.
When not to convert
- Do not convert when the original HEIC must remain the only editable or archival copy.
- Skip the conversion when the destination already accepts HEIC and no compatibility problem exists.
- For a one-off preview, a local viewer may be faster than creating a new delivery file.
Frequently asked questions
- Can I convert HEIC to AVIF without installing software?
- Upload a HEIC file, choose the available AVIF options, run the conversion, and download the result. The tool is free, supports batches, and accepts server uploads up to 100 MB.
- Is Convert HEIC to AVIF free?
- It is free, requires no account, and adds no watermark. Server uploads are limited to 100 MB per file, and browser-first paths are limited by device memory.
- Does HEIC to AVIF conversion lose quality?
- The destination uses lossy image compression, so repeated conversions can add artifacts. Start from the best source available and review the result at its final size. Keep the source if you may need to adjust the conversion later.
- Does the file leave my device?
- Yes. This conversion uses a server-side engine, so the file is uploaded over HTTPS, processed in an isolated request, and removed after the result is produced.
- Can I convert several files at once?
- Queue multiple files, run them together, and download the finished results as a ZIP. Each server file is limited to 100 MB, and large batches may take longer.
- What are the limitations?
- Open the downloaded AVIF file in the application or database you plan to use, check the structure against the source, and keep the original until the output is approved.