Notes on file formats and conversion
Working notes on formats, quality, and the practical side of moving files between apps, devices, and archives.
Recent posts
2026-10-13
JPG vs PNG vs WebP for Email Attachments and Everyday File Sharing
Choose JPG, PNG, or WebP for email attachments, photos, and screenshots. Learn how size, quality, transparency, and compatibility affect everyday sharing.
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2026-10-09
Understanding HEIC Photos — Why iPhones Use Them and When to Convert
HEIC is the default iPhone photo format. Learn why Apple chose it over JPEG, where it breaks, and when to convert to JPEG, PNG, or PDF.
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2026-09-22
How Subtitle Files Work and Why SRT Became the Default Format
Learn how SRT, VTT, and SSA subtitle files work, what each stores, and why SRT became the go-to format for sharing captioned video.
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2026-09-19
The Difference Between SVG, PNG, and ICO and When to Use Each
Learn what sets SVG, PNG, and ICO apart and know exactly which format to reach for — whether you're building a logo, a web graphic, or a favicon.
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2026-09-16
Converting Files to PDF Without Losing Formatting or Quality
Learn what actually changes when Word docs, spreadsheets, and images become PDFs, and how to keep fonts, layout, and image quality intact every time.
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2026-09-13
Why Files Get Too Large to Send and Which Format Changes Actually Help
Learn what really drives file size and which format changes cut it most before you attempt to share or send anything online.
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