Convert between formats
Pick a conversion pair to get practical guidance and a command you can run locally with optimo.
HEIC → JPEG
/convert/heic-to-jpeg
JPEG is universally supported across browsers and tooling.
HEIC → WebP
/convert/heic-to-webp
WebP is web-native and often smaller than JPEG for similar quality.
PNG → WebP
/convert/png-to-webp
WebP can be significantly smaller than PNG while preserving quality.
PNG → AVIF
/convert/png-to-avif
AVIF can beat WebP on size for many images.
JPEG → WebP
/convert/jpeg-to-webp
WebP often reduces JPEG size at similar perceived quality.
JPEG → AVIF
/convert/jpeg-to-avif
AVIF can deliver very small files for photo-heavy pages.
GIF → MP4
/convert/gif-to-mp4
GIFs are often much larger than video for the same animation.
GIF → WebM
/convert/gif-to-webm
WebM is usually far smaller than GIF for animated content.
PNG → JPEG
/convert/png-to-jpeg
JPEG is often far smaller for photographs and complex gradients.
PNG → JPEG XL
/convert/png-to-jxl
JPEG XL can preserve high fidelity while shrinking some PNGs.
PNG → HEIC
/convert/png-to-heic
HEIC can be efficient for certain photo-like assets.
PNG → GIF
/convert/png-to-gif
GIF is still used for very simple animations and legacy constraints.
JPEG → PNG
/convert/jpeg-to-png
Useful when you need lossless output or transparency (after editing).
JPEG → JPEG XL
/convert/jpeg-to-jxl
JPEG XL can improve compression while keeping high visual quality.
JPEG → HEIC
/convert/jpeg-to-heic
HEIC can be efficient for phone photos and some tools.
JPEG → GIF
/convert/jpeg-to-gif
Useful for legacy tooling that requires GIF output.
WebP → PNG
/convert/webp-to-png
PNG is a common interchange format for editing tools and UI workflows.
WebP → JPEG
/convert/webp-to-jpeg
JPEG is widely supported and easy to handle across tooling.
WebP → AVIF
/convert/webp-to-avif
AVIF can be smaller than WebP for photo-heavy content.
WebP → HEIC
/convert/webp-to-heic
HEIC can be useful for Apple-focused workflows.
WebP → JPEG XL
/convert/webp-to-jxl
JPEG XL can be a high-fidelity master in some workflows.
WebP → GIF
/convert/webp-to-gif
GIF can be required for legacy destinations and some chat platforms.
AVIF → PNG
/convert/avif-to-png
PNG is a common editing and interchange format.
AVIF → JPEG
/convert/avif-to-jpeg
JPEG is universally supported for web and tooling.
AVIF → WebP
/convert/avif-to-webp
WebP is broadly supported and still compresses well.
AVIF → HEIC
/convert/avif-to-heic
HEIC can be useful for Apple-focused workflows.
AVIF → JPEG XL
/convert/avif-to-jxl
JPEG XL can be a high-fidelity master in some workflows.
AVIF → GIF
/convert/avif-to-gif
GIF is required for some legacy destinations.
HEIC → PNG
/convert/heic-to-png
PNG is useful for editing workflows and preserving crisp edges.
HEIC → AVIF
/convert/heic-to-avif
AVIF is web-friendly and can be very small for photos.
HEIC → JPEG XL
/convert/heic-to-jxl
JPEG XL can be useful as a high-quality master in some workflows.
HEIC → GIF
/convert/heic-to-gif
GIF is still required for some legacy workflows.
JPEG XL → PNG
/convert/jxl-to-png
PNG is a reliable interchange format for editing and tooling.
JPEG XL → JPEG
/convert/jxl-to-jpeg
JPEG is universally supported and easy to deliver.
JPEG XL → WebP
/convert/jxl-to-webp
WebP is broadly supported and compresses well.
JPEG XL → AVIF
/convert/jxl-to-avif
AVIF can be extremely small for photos.
JPEG XL → HEIC
/convert/jxl-to-heic
HEIC can fit some Apple-focused workflows.
JPEG XL → GIF
/convert/jxl-to-gif
GIF is required for some legacy destinations.
GIF → WebP
/convert/gif-to-webp
WebP can replace GIF for many animations with much smaller files.
GIF → AVIF
/convert/gif-to-avif
AVIF can be very small, depending on animation content.
GIF → JPEG
/convert/gif-to-jpeg
Useful when the GIF is a single-frame image.
GIF → PNG
/convert/gif-to-png
Useful when the GIF is a single-frame image and you want lossless output.
GIF → HEIC
/convert/gif-to-heic
Useful for Apple-focused workflows and experiments.
GIF → JPEG XL
/convert/gif-to-jxl
Useful when the GIF is single-frame and you want a high-fidelity master.
SVG → PNG
/convert/svg-to-png
PNG is useful when you need a raster asset for platforms that don’t support SVG.
SVG → WebP
/convert/svg-to-webp
WebP is a compact raster format for web delivery.
SVG → JPEG
/convert/svg-to-jpeg
JPEG can be useful for non-transparent previews or social thumbnails.
SVG → AVIF
/convert/svg-to-avif
AVIF can be very small for raster outputs when supported.
SVG → GIF
/convert/svg-to-gif
GIF is useful for legacy destinations that require it.
MOV → MP4
/convert/mov-to-mp4
MP4 is a safer default for web delivery than MOV.
MKV → MP4
/convert/mkv-to-mp4
MP4 is the most compatible container for the web.
AVI → MP4
/convert/avi-to-mp4
AVI is a legacy format that’s rarely ideal for delivery.
MP4 → WebM
/convert/mp4-to-webm
WebM can be smaller than MP4 depending on content and settings.
MOV → WebM
/convert/mov-to-webm
WebM can be efficient for web delivery and background videos.
MKV → WebM
/convert/mkv-to-webm
WebM is a web-first format that often compresses well.
AVI → WebM
/convert/avi-to-webm
AVI is legacy; WebM is a modern alternative for web delivery.
WebM → MP4
/convert/webm-to-mp4
MP4 is the most compatible video container on the web.
WebM → MOV
/convert/webm-to-mov
Useful for editing workflows that prefer MOV containers.
WebM → MKV
/convert/webm-to-mkv
MKV is useful as a flexible container in tooling workflows.
MP4 → MOV
/convert/mp4-to-mov
Useful for editing workflows that prefer MOV containers.
MP4 → MKV
/convert/mp4-to-mkv
MKV can be useful as a flexible container for tooling workflows.
MP4 → AVI
/convert/mp4-to-avi
Useful for legacy tooling that only accepts AVI.
MOV → MKV
/convert/mov-to-mkv
MKV is a flexible container for archives and tool setups.
MOV → AVI
/convert/mov-to-avi
Useful for legacy workflows that require AVI.
MKV → MOV
/convert/mkv-to-mov
Useful for editing workflows that prefer MOV containers.
MKV → AVI
/convert/mkv-to-avi
Useful for legacy workflows that require AVI.
AVI → MOV
/convert/avi-to-mov
Useful for editing workflows that prefer MOV containers.
AVI → MKV
/convert/avi-to-mkv
MKV is a flexible container for tooling workflows.
OGV → MP4
/convert/ogv-to-mp4
MP4 is the safest delivery format for the web.
OGV → WebM
/convert/ogv-to-webm
WebM is a web-first delivery format that often compresses well.
MP4 → OGV
/convert/mp4-to-ogv
Useful for niche setups that require Ogg containers.
WebM → OGV
/convert/webm-to-ogv
Useful for niche workflows that require Ogg containers.
Supported formats: PNG, JPEG, WebP, AVIF, HEIC, JPEG XL, GIF, SVG, MP4, WebM, MOV, MKV, AVI, OGV.