Guides
“I want to do this to my video — but how?” We answer the common questions in plain language. Everything here is free, in your browser, with no upload.
🔧 The basics
How to convert a video to GIF
Make short GIF animations for social and chat — including how to pick the range and size.
How to make a video smaller (compress)
Shrink a too-large video while keeping the quality up.
How to extract audio from a video
Save a video's audio as MP3, with tips on choosing quality.
How to fix a sideways video
Filmed on a phone and the orientation is wrong? Fix it by rotating/flipping.
How to trim and save just part of a video
Keep only the scene you need — the steps and tips for trimming.
How to convert a video's format
Convert to MP4, WebM, MOV and more so it plays or uploads.
How to merge multiple videos into one
Join clips in order into a single video — the how and the tips.
How to speed up or slow down a video
Change playback speed and save. Great for quick viewing or checking motion.
How to grab a still frame from a video
Save any frame as PNG/JPG. Handy for thumbnails too.
How to crop a video to square or vertical
The best aspect ratios per platform, plus cropping tips.
📤 Sending & sharing video
How to send a video on LINE
Beat the size limit and share video on LINE in high quality.
Video too big to email? 5 fixes
Attachment size limits and five ways to get your video sent.
How to post a video to X (Twitter)
Format, length and size requirements, plus how to optimize when it won't post.
How to send a video on Discord
Share video beyond the 25MB size limit.
How to post a video to Instagram
Size, length and format for Feed, Reels and Stories.
How to post a video to TikTok
Requirements and tips for getting to vertical 9:16.
How to post to YouTube & Shorts
Optimizing size and format for regular videos and Shorts.
📚 Formats & basics
MP4 vs WebM: what's the difference?
The difference between the two formats, when to use each, and how to convert.
GIF vs MP4: which is better?
Size, quality and audio compared — a guide for social and blogs.
How to convert MOV to MP4
What to do when an iPhone video won't play on Windows.
What determines a video's file size
The basics of bitrate, resolution and fps, and how to go lighter.