Compressing, trimming and converting audio and video: formats, bitrates, size caps and what each platform accepts.
6 articles
Save an Instagram Reel you own or may reuse as a 1080 × 1920 MP4, then turn it into a GIF, pull the audio out as MP3 or shrink it under 16 MB for WhatsApp.
Mina Sato · Oct 19, 2026 · 11 min read
Cut 2–6 seconds, scale to 320–640 px, use 10–15 fps and a palette built from the clip. Platform size limits, when MP4 beats GIF, and six ways to make one.
Mina Sato · Oct 8, 2026 · 11 min read
MOV and MP4 are near twins; the HEVC codec inside iPhone clips is what fails on Windows and Android. Free ways to convert, when quality stays exact, and fixes for common errors.
Mina Sato · Oct 5, 2026 · 11 min read
Converting MP4 to MP3 re-encodes the video's AAC audio. Pick 128 kbps for speech or 192 kbps for music, extract to M4A for zero loss, and fix silent or DRM files.
Mina Sato · Sep 26, 2026 · 11 min read
Transcribe audio to text free with Voice Memos, Google Recorder, Word or a browser tool. What affects accuracy, how to prepare the file, and SRT vs TXT output.
Mina Sato · Sep 21, 2026 · 12 min read
Discord free takes 10 MB, Gmail 25 MB, Outlook 20 MB. Learn how bitrate and length set file size, which settings to change, and when a share link beats compression.
Mina Sato · Sep 16, 2026 · 11 min read