TTML and DFXP Subtitle Files: What They Are, How to Get SRT
DFXP is just the old name for TTML. Here is why players ignore both, what you lose converting to SRT,…
How To Guides
Convert Audio for a Phone System: 8 kHz Mono WAV & mu-law
Phone systems need 8 kHz mono WAV — but which codec? PCM 16-bit for FreePBX and 3CX, mu-law for Cisco.…
Combine Documents into One PDF for IRCC (Canada’s 4 MB Limit)
IRCC allows one file per field, capped at 4 MB (5 MB on the IRCC Portal). Merge your scans into…
JPEG Quality Settings Explained: What ’95’ Actually Does
JPEG quality isn't a percentage — it scales the quantization table. What 95, 90, 80 and 65 really do, plus…
Discord Custom Emoji: Fit an Animated GIF in 128×128, 256 KB
Discord custom emoji must be 128x128 and under 256 KiB, and GIF is accepted. The exact xconvert settings to resize…
RAR File Won’t Open? The 5 Real Reasons and How to Fix Each
RAR file won't open? Match the error to the cause: no RAR reader, a password, a split multi-part set, a…
Compress Audio to 16 MB or 14 MB (and Why Those Numbers)
Compress audio to 16 MB or 14 MB: where each number comes from, the bitrate your recording needs by length,…
A4 or US Letter: Picking the Right Page Size for Photo PDFs
A4 or US Letter for a photo PDF? The shapes differ, not just the sizes. What each page size covers,…
Why Is My PNG File So Big? (And What Actually Shrinks It)
Six reasons a PNG is huge, one calculation that tells you which one you have, and what actually shrinks it…
HEVC Won’t Import? Fix Premiere, Resolve, CapCut & Canva
Your HEVC file plays in VLC but won't import into Premiere, Resolve, CapCut or Canva. The four real causes, per-app,…