Content Creator Tools — Resize, Compress, Convert for Every Platform
Every platform demands different dimensions. Instagram wants squares, YouTube thumbnails are 1280×720, LinkedIn prefers 1200×627. Resize all of them in seconds.
How to Content Creator Tools — Resize, Compress, Convert for Every Platform
Resize for Your Platform
Select exact pixel dimensions for Instagram, TikTok, YouTube, or LinkedIn — or enter custom dimensions
Compress Video for Upload
Reduce video file size before uploading to YouTube or TikTok — faster uploads, same visual quality
Convert Formats as Needed
Convert WebP to PNG for platforms that reject WebP, or HEIC to JPG for universal compatibility
Frequently Asked Questions
What are the correct image sizes for each social platform in 2025?
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.
YouTube keeps rejecting my video — the file is too large. Can MiOffice help?
Yes. Video Compress reduces file size 60–80% using H.264 encoding. A 4GB raw MP4 can typically compress to under 500MB for upload.
Will my unreleased content be stored anywhere if I use MiOffice?
No. MiOffice processes everything privately — unreleased thumbnails, upcoming video content, and brand assets are never shared or stored.
Why Use MiOffice?
Private & Secure
All processing happens in your browser. Private & secure.
Instant Results
No waiting for uploads. Process locally.
No Limits
No watermarks, no hidden fees, no signup.
Works Offline
Once loaded, works without internet.
People Also Use
Professional Photo Tools for Photographers — Unlimited
Photoroom capped batch processing. MiOffice has no limits — watermark, background removal, compress, and deliver an entire shoot without a subscription.
eCommerce Photo & Document Tools — Private & Secure
Remove.bg charges $0.49/image — $245/month for 500 products. MiOffice gives you the same quality, privately & securely.
Add Watermarks to Photos — Protect Your Work
Protect your photography with professional watermarks. Batch process an entire shoot without uploading a single file.
Small Business Document Tools — Private, No Subscription
Adobe costs $29.99/month. DocuSign costs $25/month. MiOffice gives you invoice compression, receipt scanning, contract signing, and 85+ more tools — no subscription.