Reduce your video file size in seconds. Free, private, and no signup needed. Everything happens in your browser. Your video never leaves your device. Drop your video here or click to select a file Supports MP4, MOV, MKV, WebM, AVI (Max 500MB on desktop, 100MB on mobile) 1. Select your video Pick any video file from your phone or computer, up to 500MB. 2. We compress it Sondra shrinks your video file right in your browser. No waiting, no uploading. Save your smaller video file. Done! Why Compress Your Video? Videos recorded on modern phones are large by default. A 2 to 3 minute clip shot on an iPhone in standard 1080p can easily reach 300 to 400MB, too large to send by email, too slow to upload, and over the limit for many platforms and submission forms. Compressing your video makes it smaller without changing what's in it. The same moments, the same quality. Just a file that's easier to share, faster to upload, and takes up less space on your device. A 400MB video can often compress down to under 80MB with no visible difference on most screens. Sondra compresses your video directly in your browser, which means your file never gets sent to any server. What you record stays yours. Frequently Asked Questions Best compression settings for each platform Recommended: 1080p, ~8 Mbps Sondra setting: "Balanced" quality Format: MP4 (H.264) TikTok / Instagram Reels Recommended: 1080p, ~5 Mbps Sondra setting: "Smallest" quality Email attachment

Recommended: 720p, ~2 Mbps Sondra setting: "Smallest" quality WhatsApp / Telegram Recommended: 720p, ~1.5 Mbps Sondra setting: "Smallest" quality How much smaller will your video get? Modern smartphones record video in formats that prioritize quality over file size. A 3-minute video shot at 4K on an iPhone can reach 1.5GB. At 1080p, the same clip is around 400 to 600MB. After compression, that same video can often be reduced to 80 to 120MB, a reduction of 70 to 80%, with no visible difference on most screens. The exact result depends on your original video. Videos with a lot of motion (action footage, sports) compress less efficiently than static footage (interviews, talking head videos). Sondra processes your specific file and shows you the output size before you download, so you always know exactly how much space you saved. Why compress your video before uploading? A 500MB video can take 10+ minutes to upload on a standard connection. At 80MB, the same video uploads in under 2 minutes. Platform limits WhatsApp limits video to 16MB. Email attachments cap at 25MB. Instagram recommends under 650MB. Compression lets you share anywhere without rejection. Storage savings Raw footage accumulates fast. Compressing finished videos before archiving can free up 70 to 80% of storage space. More Free Tools Remove background noise from audio online Clean up audio and video from unwanted noise. Reduce MP3, WAV, AAC file size. Remove background noise from video Remove background noise from video. We use essential cookies to make Sondra work, and optional analytics cookies to understand how you use it. Your files are never tracked.