Guides
Practical, honest how-tos for common sharing jobs — real platform limits, sensible sizes, and how to get the best-looking result. Every guide uses the same free compressor that runs entirely in your browser.
- Compress a video for WhatsApp
Shrink a video under WhatsApp's ~16 MB media limit in your browser. Free, no upload, no watermark — outputs an MP4 that plays in every chat.
- Send a long video on WhatsApp as a document
Send long or high-quality videos on WhatsApp without its recompression by attaching them as a document. Shrink first to 64 MB in your browser for fast sending.
- Compress a video under Discord's 10 MB limit
Get a clip under Discord's 10 MB free upload limit without an upload site. Compresses in your browser to an MP4 that embeds and plays in chat.
- Compress a video to attach in Gmail
Fit a video under Gmail's 25 MB attachment limit so it attaches directly instead of as a Drive link. Free, private, in-browser compression to MP4.
- Compress a video to attach in Outlook
Shrink a video under Outlook.com's 20 MB attachment limit in your browser. Free, no upload, MP4 output that opens on any device.
- Compress a video small enough to email
Make a video small enough to email as an attachment. Works for Gmail, Outlook, Yahoo and work mail. Free, private, in-browser.
- Compress a video for Instagram
Shrink a big phone or camera video to a clean 1080p MP4 before posting to Instagram for faster, more reliable uploads. Free and private.
- Compress a video for Telegram
Telegram accepts big files, but huge videos are slow to send and download. Shrink them in your browser to a streamable MP4 first. Free, no upload.
- Compress a video for Slack
Share screen recordings and demos in Slack as small MP4s that preview inline and download fast. Compressed privately in your browser.
- Compress an MP4 video without uploading it
Reduce MP4 file size to an exact target in MB, in your browser. H.264/AAC output, no watermark, no upload, no signup.
- Compress a MOV file (and convert it to MP4)
Shrink large MOV files from iPhone, Mac or cameras and convert them to widely compatible MP4 in one step. Runs in your browser, no upload.
- Compress an iPhone video
Shrink big iPhone videos (4K, HEVC, MOV) to a shareable MP4 right in Safari. No app to install, no upload, free.
- Compress a screen recording
Shrink screen recordings from macOS, Windows, OBS or Loom-style captures to a small MP4 while keeping text readable. Free, private, in-browser.
- Compress an MKV video (and convert it to MP4)
Shrink MKV files from OBS or other sources and convert them to MP4 that plays on phones, Discord and social apps. In-browser, no upload.
- Compress a WebM video (and convert it to MP4)
Turn WebM recordings from browsers and screen tools into small MP4s that play on iPhone, WhatsApp and email clients. Free and private.
- Reduce a video to under 10 MB
Compress any video to under 10 MB for Discord, forms, and strict email servers. Pick 10 MB and download an MP4. Free, no upload.
- Reduce a video to under 25 MB
Compress a video to under 25 MB for Gmail and most email attachments. Choose the size, get an MP4. Private, in-browser, free.
- Reduce a video to under 50 MB
Compress a video to under 50 MB for uploads, chat apps and portals with a 50 MB cap. Pick 50 MB and download an MP4. No upload.
- Reduce a video to under 100 MB
Compress large phone or camera videos to under 100 MB while keeping high quality. Choose 100 MB, get an MP4. Free and private.