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PEF (Pentax PEF raw) - Pentax Electronic Format, raw format for Pentax cameras. Best for pentax camera post-processing.
HEIFS (HEIFS) - HEIF Sequence, burst photo format from Apple cameras. Ideal for ios burst photos, live photos, motion photos.
Yes, GoConvertFile offers free conversion of PEF to HEIFS for files up to 100MB. No registration required.
Most PEF to HEIFS conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
HEIFS is ideal for ios burst photos, live photos, motion photos. HEIF Sequence, burst photo format from Apple cameras
Yes, converting PEF to HEIFS uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
HEIFS files are typically 50-80% smaller than PEF files because HEIFS uses efficient lossy compression. The exact reduction depends on quality settings.
No, HEIFS does not support transparency. Any transparent areas in your PEF will be filled with a solid color (usually white) during conversion. Use PNG or WebP if transparency is needed.
Pentax Electronic Format (PEF) contains raw sensor data from Pentax digital SLR and mirrorless cameras.
HEIFS files are built around lossy compression. Designed for ios burst photos, live photos, motion photos, they use the image/heif-sequence MIME type and typically range from varies by content.
Reach for PEF when your priority is pentax camera post-processing — its uncompromising quality ensures every detail is preserved.
Reach for HEIFS when your priority is ios burst photos, live photos, motion photos — its efficient compression makes sharing fast and storage minimal.
Learn more about PEF and HEIFS formats in our detailed guide.