Every platform demands different dimensions. Instagram wants squares, YouTube thumbnails are 1280×720, LinkedIn prefers 1200×627. Resize all of them in seconds.
Select exact pixel dimensions for Instagram, TikTok, YouTube, or LinkedIn — or enter custom dimensions
Reduce video file size before uploading to YouTube or TikTok — faster uploads, same visual quality
Convert WebP to PNG for platforms that reject WebP, or HEIC to JPG for universal compatibility
Instagram feed: 1080×1080px (square) or 1080×1350px (portrait). TikTok cover: 1080×1920px. YouTube thumbnail: 1280×720px. LinkedIn post: 1200×627px. Twitter/X: 1600×900px. Use Image Resize to hit any of these exactly.
Yes. Video Compress reduces file size 60–80% using H.264 encoding. A 4GB raw MP4 can typically compress to under 500MB for upload.
No. MiOffice processes everything privately — unreleased thumbnails, upcoming video content, and brand assets are never shared or stored.
All processing happens in your browser. Private & secure.
No waiting for uploads. Process locally.
No watermarks, no hidden fees, no signup.
Once loaded, works without internet.
Photoroom capped batch processing. MiOffice has no limits — watermark, background removal, compress, and deliver an entire shoot without a subscription.
Remove.bg charges $0.49/image — $245/month for 500 products. MiOffice gives you the same quality, privately & securely.
Protect your photography with professional watermarks. Batch process an entire shoot without uploading a single file.
Adobe costs $29.99/month. DocuSign costs $25/month. MiOffice gives you invoice compression, receipt scanning, contract signing, and 150+ more tools — no subscription.