Features · everything Fetchii does
Built to fetch
anything.
Download in up to 4K, convert to any format, record livestreams, skip the sponsors — and let on-device AI make sense of it all. One native Mac app that never phones home. Here's everything under the hood.
01 — Download + Convert
Grab it and convert it in one app.
No more downloading in one app and re-encoding in another. Fetchii does both, with hardware-accelerated encoding.
Save $15The most popular Mac downloader needs a separate $14.99 converter. Fetchii builds conversion in — one app, one purchase, no second tool to manage.1
Convert Video Formats
Convert between MP4, MKV, WebM, and more. Choose your quality, resolution, and file size. No separate converter app needed.
Fast Conversion
Uses your Mac's built-in chip to convert videos quickly, without slowing down your computer.
Audio Extraction
One-click extraction to M4A, MP3, FLAC, WAV, or Opus.
Resolution Downscaling
Shrink 4K to 1080p or any resolution. Perfect for saving space on portable devices.
02 — On-device Intelligence
AI features. No cloud attached.
New in 1.1: a private intelligence layer that understands your library. Optional, off by default, and running entirely on your Mac.2
Zero-cloud AIEvery AI feature runs on your Mac — subtitles, search, summaries, translation. Your videos never touch a server, and it's all included in the one-time price.
Subtitle Generation
Create accurate subtitles for any video with on-device speech recognition — it auto-detects the spoken language and filters out phantom captions on music and silence.
Search by Meaning
Describe what you remember and Fetchii finds the moment — across your whole library, even when you search in a different language than the video.
Instant Summaries
A short, clean TL;DR of any video, generated locally. Long lectures work too — Fetchii summarizes in chunks and merges, so nothing gets skipped.
Private Subtitle Translation
Translate subtitles into 15 languages right on your Mac, with Apple's engine or on-device AI.3
Smart Renaming
Suggests clean, human-readable filenames based on what's actually in the video. It only ever suggests — nothing is renamed without your approval.
Pick Your Model
Three model sizes from 870 MB to 4.3 GB, tuned for 8 GB and 16 GB Macs. Download on demand, delete anytime — you stay in control of your disk.
03 — Download Engine
A serious downloader under the hood.
Tuned for speed and the long tail of edge cases — across more than a thousand sites.
1,000+ Websites4
YouTube, Bilibili, X, TikTok, Instagram, Vimeo, Twitch, and growing.
Up to 4K 60fps5
Choose from 11 quality presets (360p to 4K60) or set custom preferences.
Playlist & Channel Downloads
Download entire playlists or channels. Select specific videos or grab all.
Resumable Downloads
Interrupted? Fetchii picks up exactly where it left off.
Duplicate Detection
Smart history tracking prevents accidentally re-downloading content.
Faster Downloads
Downloads multiple parts of a video at once for maximum speed on fast connections.
04 — Livestream Recording
Catch it live. Keep it forever.
Point Fetchii at a stream and it records in real time, saving a clean file the moment the broadcast ends.
Duration Limits
Set a maximum recording time. Walk away and let Fetchii handle it.
Graceful Stop
Stop recording cleanly without corrupting the output file.
Several at Once
Record up to 5 streams at the same time.6
Multi-Platform
Works with YouTube Live, Twitch, Bilibili Live, and more.
05 — Browser Integration
One click from your browser.
A lightweight helper extension puts Fetchii right where you watch.
Browser Extension
Send download tasks directly from your browser toolbar. No copy-pasting needed.
Multi-Browser Support
Works with Safari, Chrome, Brave, Edge, and other Chrome-based browsers.
Member Content Access
Need to download members-only content? Fetchii uses your existing browser login automatically.
06 — Smart Features
The little things that add up.
Quality-of-life touches that make Fetchii feel like it was made for you.
SponsorBlock Integration
Automatically skip sponsors, intros, outros, and self-promotions in YouTube downloads.7
Subtitle Downloads
Auto-fetch official subtitles in 10 languages as embedded or external .srt/.vtt files — or generate your own on-device when a video has none.
Auto-Generated Captions
Download YouTube's auto-generated captions when official subtitles aren't available.
Save Video Info
Automatically saves the thumbnail, chapter markers, and video title inside the downloaded file.
Smart Error Handling
Hit a login wall? Fetchii tells you exactly why a download failed and how to fix it.
07 — Privacy & Security
Private by architecture, not by promise.
Fetchii runs entirely on your Mac — the downloads and the AI. No account, no cloud, and nothing about your library ever leaves the device.
Zero serversWe literally can't see your links, files, or history — there's no server in the loop to see them with. The AI works the same way: on your chip, not ours.
100% Local Processing
All downloading, conversion, and AI processing happens locally on your Mac.8
No Cloud Uploads
Your videos are never uploaded anywhere. We don't even see what you download.
Secure Login Storage
Your login cookies are encrypted and stored locally on your Mac — never exposed to third parties.
Auto-Cleanup
Temporary files are scrubbed after tasks complete. No leftover data cluttering your drive.
Get the whole toolkit.
Download, convert, record, and understand your library — for $19.99, once. · Free 14-day trial · macOS 14+ · Apple Silicon & Intel
Notes
- Downie converts to other formats through Permute, a separate $14.99 app from the same developer. Prices from each developer's website, checked October 2026. See Fetchii vs Permute.↩
- AI features need a Mac with Apple Silicon. Downloading, conversion, and recording also run on Intel Macs.↩
- Apple's engine needs macOS 15 or later. On-device AI translation needs the Standard model. You can also use your own DeepL, OpenAI, or Anthropic API key; subtitle text is then sent to that provider.↩
- Site support changes as the sites themselves change. See how popular sites are doing right now.↩
- Maximum quality depends on what the site offers for each video.↩
- 3 at a time by default; raise it to 5 in Settings → Recording.↩
- Off by default. Turn it on and choose categories in Settings → Downloads. Segments come from the community-run SponsorBlock database.↩
- Optional anonymous usage statistics and crash reports can be turned off in Settings → Privacy.↩