Image format guides
Plain-English answers to the questions people actually ask about photo formats — why your iPhone saves HEIC, which format loads fastest, and how to fix files that will not open.
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Guides
How to Convert MOV to MP4 Without Losing Quality
MOV and MP4 are sibling containers: a good conversion copies video and audio bit for bit. When a re-encode is unavoidable, what is lost, and how to do it.
· 7 min read
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Guides
How to Extract Audio from a Video (MP4, MOV, MKV) Without Uploading It
Get the audio out of an MP4, MOV or MKV as an MP3 in your browser. What AAC-to-MP3 does to quality, which bitrate to pick, and the VLC and ffmpeg routes.
· 7 min read
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Comparisons
MP3 vs WAV vs FLAC: Which Audio Format Should You Use?
MP3, WAV and FLAC compared honestly: lossy versus lossless, megabytes per minute, tags, what plays where, and when converting between them is worth it.
· 8 min read
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Web Performance
The Best Image Format for a Website in 2026
A practical guide to choosing between WebP, AVIF, JPG, PNG and SVG in 2026, with a decision table, fallback code and a conversion workflow.
· 8 min read
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Guides
How to Compress Images Without Losing Quality
Compress images without losing quality: what the quality slider really does, why resizing beats every setting, and the settings to use. Free, in-browser.
· 8 min read
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Guides
How to Open HEIC Files on Windows
Windows will not open your iPhone photos. Here is what HEIC is, which Microsoft Store extensions you actually need, and the free ways around them.
· 8 min read
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Comparisons
WebP vs PNG vs JPG: A Complete Comparison
JPG, PNG and WebP each win in different places. Compare them on size, transparency, quality and support, then pick the right one for your image.
· 9 min read
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Comparisons
HEIC vs JPG: Which Format Should You Use?
HEIC files are roughly half the size of JPG at similar quality, but JPG opens everywhere. Here is how they compare and when converting is worth it.
· 8 min read