Frequently Asked Questions
Everything you need to know about MiOffice.
General
What is MiOffice?
MiOffice is an AI-powered office suite for PDF, Word, Excel, images, video, audio, and AI processing. All 76+ applications run entirely in your browser.
Is MiOffice really free?
Yes. The full suite is free with no time limits. MiOffice Pro ($1 for 2 days) removes download limits and adds priority speed for heavy users.
Do I need to create an account?
No. MiOffice works immediately with no signup, no email, and no personal information required.
What browsers are supported?
Chrome, Firefox, Safari, and Edge. Any modern browser .
Privacy & Security
Are my files uploaded to a server?
No. Every file is processed locally in your browser.
Is MiOffice GDPR compliant?
Yes. No personal data is collected. GDPR compliant by architecture.
Can I use this for sensitive documents?
Yes. Government agencies and legal firms use MiOffice. No data processor agreement needed.
Does MiOffice track my usage?
We use privacy-respecting analytics (self-hosted Umami) to count page views. No personal data is collected or sold.
Accessibility
Is MiOffice Section 508 compliant?
Yes. MiOffice meets WCAG 2.1 AA standards and Section 508 requirements. All interfaces are keyboard-navigable and screen-reader compatible.
Can government agencies use MiOffice?
Yes. MiOffice is 508 compliant and GDPR safe, making it suitable for federal use.
Video & Audio
What audio formats can MiOffice convert?
MiOffice supports converting WAV, FLAC, OGG, AAC, and WMA to MP3. All conversion happens locally using FFmpeg.
Can I extract audio from a video?
Yes. MiOffice can extract MP3 audio from any video file directly in your browser. Drop your video file, select MP3 extraction, and download the audio track instantly.
Does MiOffice support HDR video?
Yes. MiOffice can convert HDR video to SDR for maximum compatibility across devices and platforms. The tone-mapping is handled by FFmpeg in your browser.
Can I extract subtitles from a video?
Yes. MiOffice can extract embedded subtitle tracks from video files. The subtitles are processed locally and exported as SRT files.
Can I cut or trim MP3 files?
Yes. The MP3 Cutter tool lets you trim audio files to a specific start and end time. Private & secure.
Technical
How does browser-based processing work?
MiOffice uses WebAssembly (WASM) to run native-speed processing engines directly in your browser. PDF.js handles PDFs, FFmpeg handles video and audio, and AI models power smart features.
Is there a file size limit?
The practical limit depends on your device memory. Most devices handle files up to 500MB. For very large files, we recommend desktop Chrome.
Does it work offline?
Once the application loads, most features work offline. The initial load requires internet to download the processing engines.