Guides

Explore actual output settings, limitations and examples for each tool.

• MP3 vs OGG (Opus) vs WAV: we converted speech and musicSpeech kept its whole voice band at OGG 64 kbps, while MP3 128 kbps cut music above 16 kHz. Compared with spectrograms and size tables.
• MP4 vs WEBM vs MOV vs GIF: we converted a 10-second clipMP4 Standard was 15.7% of the source, while a 480 px GIF was 5.7 times larger than MP4. Size, conversion time and quality by format.
• PNG vs JPEG vs WEBP: we converted a photo, a screenshot and a logoFor photos, WEBP 85% was 38% smaller than JPEG at the same setting; a transparent logo got a white box as JPEG. Compared with zooms and PSNR.
• App icon sizes and safe zones: we generated 74 files from two iconsThe detailed icon blurred from 58 px, and artwork with its own background left a square edge as an Android adaptive foreground.
• Thumbnail ratios and cropping: we cut a 16:9 thumbnail to 1:1, 4:5 and 9:16Centre crops cut off the title on the left. Crop coordinates by ratio, file size by format and YouTube's current recommendations.