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What Is an SRT File and How to Open It
An SRT file holds the subtitles for a video. What is inside one, how to open it on any device, add it to a video, and fix strange…
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Plain-English guides on icons, favicons, image formats, file sizes and GIFs - each one with the free tool that does the job.
4 guides
2 topics
Updated Oct 26, 2026
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Guide
What Is an ICO File? How to Open, Create and Convert Icon Files
An ICO file holds several sizes of one icon in a single file. Here is how it works, how to open it on Windows, Mac and online, an…
Guide
JPG, JPEG, JPE, JFIF - Why So Many Names for the Same Image Format?
Why does one image format have four names? The history behind JPG, JPEG, JPE and JFIF, why Windows saves .jfif files, and how to…
Comparison
HEIC vs HEIF: What's the Difference?
HEIF is the container, HEIC is HEIF with HEVC compression - the format your iPhone shoots. Here is what that means, how to open b…
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