Blog
Tips on subtitles, captions and creating faster with Animdock Tools.
Vertical vs horizontal captions: how many words per line?
Short-form video and classic subtitles follow different rules. Here is how many words to put in each caption — and when word-by-word captions make sense.
Blog · Nov 8, 2026PNG vs JPG vs WebP vs AVIF: which image format should you use?
Four formats, four strengths. A practical guide to choosing the right image format for photos, graphics, transparency and fast websites.
Blog · Nov 8, 2026What is a HEIC file — and how to open iPhone photos anywhere
iPhones save photos as HEIC to save space, but Windows and many websites can’t open them. Here’s what HEIC is and the quickest fix.
Blog · Nov 8, 2026Social media image and video sizes: the 2026 cheat sheet
The exact pixel sizes and aspect ratios for Instagram, TikTok, YouTube, X, Facebook and LinkedIn — and how to hit them in seconds.
Blog · Nov 8, 2026Why Animdock Tools never upload your files
Most online converters send your files to a server. Animdock Tools do the work inside your browser instead — here is how, and why it matters.
Blog · Nov 8, 2026How to make GIFs that look good and stay small
GIFs balloon in size fast. Five settings decide whether yours is 900 KB or 30 MB — here’s how to choose them.