HEIC (High Efficiency Image Container) is the default photo format on iPhones and iPads since iOS 11 (2017). It uses HEVC compression to produce files roughly 50% smaller than JPEG at equivalent quality. The file extensions are .heic and .heif.

Can Windows open HEIC files?

Windows 10 and 11 can open HEIC files if you install the free 'HEIF Image Extensions' from the Microsoft Store. However, many applications (older Photoshop versions, web browsers, email clients) still cannot open HEIC files, which is why conversion to JPEG is often necessary.

Does converting HEIC to JPEG lose quality?

There is a small quality loss because you are re-encoding from one lossy format to another. However, at JPEG quality 92% or higher, the difference is virtually invisible to the human eye. The files will be larger than the HEIC originals (roughly 2x) because JPEG compression is less efficient.

How do I batch convert hundreds of HEIC photos to JPEG?

Use Contenta Converter: drag your folder of HEIC photos into the app, select JPEG as output format, set quality to 92%, and click Convert. All photos are processed in parallel. EXIF metadata (date, location, camera settings) is preserved automatically.

How do I stop my iPhone from taking HEIC photos?

Go to Settings > Camera > Formats and select 'Most Compatible' instead of 'High Efficiency'. This switches to JPEG capture. Note that photos will be roughly twice the size and you lose features like Live Photos depth data.

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blog_heic_date • ContentaSoft Team • blog_heic_readtime

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blog_heic_table_col_feature	HEIC	JPEG
blog_heic_table_compression	blog_heic_table_compression_heic	blog_heic_table_compression_jpeg
blog_heic_table_quality	blog_heic_table_quality_heic	blog_heic_table_quality_jpeg
blog_heic_table_filesize	blog_heic_table_filesize_heic	blog_heic_table_filesize_jpeg
blog_heic_table_transparency	blog_heic_table_transparency_heic	blog_heic_table_transparency_jpeg
blog_heic_table_depth	blog_heic_table_depth_heic	blog_heic_table_depth_jpeg
blog_heic_table_compatibility	blog_heic_table_compatibility_heic	blog_heic_table_compatibility_jpeg
blog_heic_table_exif	blog_heic_table_exif_heic	blog_heic_table_exif_jpeg

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contenta convert photos/*.heic --output-format jpeg --quality 92 --output-dir converted/

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JPEG blog_heic_quality_col_quality	blog_heic_quality_col_filesize	blog_heic_quality_col_use
95-100%	blog_heic_quality_95_size	blog_heic_quality_95_use
85-92%	blog_heic_quality_85_size	blog_heic_quality_85_use
70-80%	blog_heic_quality_70_size	blog_heic_quality_70_use

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blog_heic_compare_col_feature	blog_heic_compare_col_online	Contenta Converter
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blog_heic_compare_privacy	blog_heic_compare_privacy_online	blog_heic_compare_privacy_contenta
blog_heic_compare_quality	blog_heic_compare_quality_online	blog_heic_compare_quality_contenta
EXIF	blog_heic_compare_exif_online	blog_heic_compare_exif_contenta
blog_heic_compare_resize	blog_heic_compare_resize_online	blog_heic_compare_resize_contenta

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