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· Last updated：2025-10-02
Convert JPEG images to HEIF format with high efficiency image format
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
This tool allows you to convert JPEG images into the High Efficiency Image Format (HEIF), providing superior compression and smaller file sizes while maintaining high visual quality.
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Convert JPEG images to AVIF format with next-generation compression and superior quality-to-size ratio
Best for
Not ideal for
Very large files
Large files take longer and can hit browser memory limits — try a smaller sample first.
Skipping the output check
Compare the first rows or pages of the output with the input before using it in production.
Files from unusual exporters
Some files use format variants that do not convert cleanly — if the output looks wrong, re-save the file from the app that created it and try again.
Background
A user has a large collection of high-resolution JPEG photos taking up significant space on their phone.
Problem
The user needs to shrink file sizes to save storage without losing noticeable detail.
How to use
Upload the JPEG file and set the quality to 75 to achieve a balance between size and quality.
quality: 75Outcome
The resulting HEIF file is significantly smaller than the original JPEG while maintaining visual integrity.
Background
A developer needs to serve images on a website that supports modern formats to improve page load speeds.
Problem
Standard JPEGs are too heavy for optimal mobile performance.
How to use
Convert the source JPEG to HEIF using the default quality setting.
quality: 80HEIF offers significantly better compression than JPEG, resulting in smaller file sizes while preserving high image quality.
Yes, you can set a quality value between 0 and 100, with 80 being the default setting.
Yes, the tool supports individual JPEG files up to 10MB.
No, this tool currently processes one image file at a time.
Images are processed in memory and are not permanently stored on our servers.
Outcome
The image is converted to a highly efficient format, reducing the payload for end-users.