Free online HEIC to WEBM converter

Convert HEIC stills into timed WEBM video clips with an online tool or FFmpeg.

Convert HEIC to WEBM online - free

.heic .webm

Drop up to 3 .HEIC files here or click to browse

Max 10 MB per file · No registration required · max 30 MB total

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How it works

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How to convert heic to webm file

November 15, 2026
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101convert.com assistant
26m

A HEIC photo cannot be played as a video until it is placed into a video container with a chosen duration. Convert it to WEBM when a video editor, browser workflow, or sharing destination requires WEBM rather than a still-image file.

What HEIC is

HEIC is a still-image format based on HEIF, commonly using HEVC compression. iPhones and iPads often save photos as HEIC; the files also appear in Apple Photos and on computers receiving photos from those devices. Some Android phones and desktop imaging programs can create or open HEIC files.

What WEBM is

WEBM is a video container used for web playback and supported by modern browsers and many video players. It commonly contains VP8 or VP9 video, with Opus or Vorbis audio when audio is present. A single HEIC image converted to WEBM becomes a video showing that image for a specified duration; it does not become a moving scene.

How to convert HEIC to WEBM

Online on 101convert.com

Upload the HEIC file or select several files for batch conversion. The page displays the per-file size limit.
Choose WEBM as the output format and set show each picture for to choose how long each image appears.
Start conversion and download the resulting WEBM file or files.

Offline with desktop software

FFmpeg is free and runs on Windows, macOS, and Linux. Its build must be able to decode HEIC/HEIF; test this by trying to read the input file. The following command creates a five-second video with no audio:

ffmpeg -loop 1 -framerate 30 -i input.heic -t 5 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2" -c:v libvpx-vp9 -pix_fmt yuv420p output.webm

Replace input.heic and output.webm with your filenames, and change -t 5 to the required duration in seconds. If FFmpeg reports that it cannot decode the input, use a build with HEIC/HEIF support or first export the image as PNG in an image editor, then use the PNG as the command's input.

Quality and compatibility

The output duration and frame rate determine how the still is presented, not its motion. The command encodes at the image's dimensions, padding odd dimensions by one pixel for the common yuv420p format. Basic conversion may not preserve all HEIC metadata, HDR characteristics, or auxiliary image data; check the result if those matter. Some older players do not support VP9, so confirm the destination accepts the chosen WEBM video codec.

Note: This heic to webm conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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HEIC vs WEBM: format comparison

How the HEIC and WEBM formats compare on the properties that matter most for this conversion.

Comparison of the HEIC and WEBM file formats
Property	.HEIC High Efficiency Image Coding	.WEBM WebM
Open standard	Partly open	Yes
Compression	Lossy	Both
Typical file size	Small	Small
Opens in a web browser	Partial	Yes, natively
Further editing	Limited	Limited
Metadata support	Extensive	Basic
Plain-text readable	No	No
Best used for	Photographs	Streaming
Introduced	2015	2010
Developer	Moving Picture Experts Group (MPEG) / ISO/IEC	Google
MIME type	image/heic	video/webm

Open HEIC file Open WEBM file

Information about file extensions and file types is provided by File-Extensions.org

Frequently asked questions

Is the HEIC to WEBM converter free?

Yes, converting HEIC to WEBM on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my HEIC file be?

You can upload HEIC files up to 10 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 2000 MB per file and 20 files at once, see our plans.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert HEIC to WEBM?

No. The HEIC to WEBM conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid HEIC file for this HEIC to WEBM conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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heic file conversion

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