Tools that work offline, on your own device — Works with YouTube

13 match your filters — 11 of them answered our check today.

Watching this group for 20 days · how we check

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YouTube Chapter Generator

Live

Runs speech and visual AI models locally to auto-generate YouTube chapter timestamps — free, no upload, no signup, built for YouTubers who don't want to type timestamps by hand.

FreeNo sign-upWorks offlineData stays with you
What to know▼
How it works
You upload a video and it uses Whisper for audio and Moment-DETR for visual analysis to detect natural chapter breaks, then outputs timestamps to paste into a YouTube description.
What's different
Cross-validates chapter breaks using both audio (Whisper) and visual detection, rather than relying on one signal; on a 68-minute test video it got 18 of 19 chapters correct.
Pricing
Free, no signup.
Best for
YouTubers who don't want to manually type out chapter timestamps.
Watch out
The 18/19 accuracy figure comes from a single 68-minute test video, not a broad benchmark.

Watched for 13 days · last checked 7d ago

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ScribeForge

Live

Transcribes audio and video, including YouTube, to text locally using Whisper AI, with no cloud upload, no subscription, and a one-time payment. Good for unlimited, private transcription without ongoing fees.

Works offlinePay onceNo subscription
What to know▼
How it works
Transcribes audio and video, including YouTube videos, playlists and live microphone input, to text entirely on your computer using Whisper AI, in 100+ languages.
What's different
Runs fully offline with no cloud upload, unlimited usage and no subscription.
Pricing
One-time payment, no subscription.
Best for
People who want unlimited, private transcription without ongoing fees or uploading audio to a cloud service.

Watched for 18 days · last checked 2d ago

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SprachenHub

Live

A free reading-based language-learning platform with click-to-translate text and imported material (YouTube videos, books, articles) instead of siloed course content.

FreeWorks offline
What to know▼
How it works
Reading section with click-to-translate, synced audio, vocabulary-sorted course of ~150 topics
Pricing
Free

Watched for 2 days · last checked 2d ago

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Sanala

Live

A local-first AI Finnish tutor app with a YouTube extension that turns any video into an interactive lesson.

Works offline
What to know▼
How it works
Builds a learning route from your level and interests; Chrome extension adds dual subtitles and word-tap lookup to YouTube
What's different
Local progress tracking, no data exposure, live speaking practice
Best for
people learning Finnish

Watched for 4 days · last checked 2d ago

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VCrumb AI

Live

Offline-first browser extension for taking notes on YouTube videos, with optional AI summaries and chat if you supply your own API key.

Works offlineCan export my data
What to know▼
How it works
local-first note-taking synced with video timestamps; optional BYOK AI summaries and chat
What's different
works fully offline, exports notes to PDF/Markdown/text
Best for
people learning from YouTube videos who want a permanent note library

Watched for 5 days · last checked 4d ago

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LufsMaster

Live

A free browser-based LUFS meter, stereo imager and EQ analyzer that processes audio locally with no upload or account, plus a preview mode simulating Spotify or YouTube playback. Built for musicians, not developers.

FreeNo sign-upNothing to installWorks offline
What to know▼
How it works
A browser-based audio mastering analyzer with real-time LUFS metering, stereo imaging, and EQ analysis with resonance detection, plus a preview mode that simulates how a track sounds on Spotify, YouTube, or Apple Music.
What's different
Processes audio 100% locally via the Web Audio API — no upload, account, or server involved.
Pricing
Free.
Best for
Musicians mastering tracks who want quick loudness and EQ checks without uploading audio anywhere.

Watched for 17 days · last checked 11d ago

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FREE AI Auto Subtitle Caption Generator

Live

A free, open-source Windows app that auto-generates styled subtitles for your videos using offline Whisper or the cloud Groq API — aimed at YouTube Shorts, TikTok and Reels creators, not developers.

FreeWorks offlineOpen sourceCan export my data
What to know▼
How it works
A Windows desktop app that automatically transcribes videos into word-level subtitles using either offline OpenAI Whisper or the cloud-based Groq API, then burns captions into the video or exports as SRT/VTT.
What's different
Free and open-source, with styling presets built for YouTube Shorts, TikTok, and Instagram Reels formats.
Pricing
Free.
Best for
YouTube Shorts, TikTok, and Instagram Reels creators who need styled captions on their videos.
Watch out
Windows-only desktop app; cloud transcription option (Groq) requires sending video data off-device, unlike the offline Whisper option.

Watched for 17 days · last checked 2d ago

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CASify

Live

A calm, step-by-step guide to using the TI-Nspire CAS calculator across Analysis, Algebra, Statistics and Geometry, for upper-secondary students stuck with a 300-page manual and scattered tutorials.

FreeNo sign-upWorks offlinePay once
What to know▼
How it works
A step-by-step guide app for the TI-Nspire CAS calculator, covering key-by-key instructions across Analysis, Algebra, Statistics and Geometry.
What's different
Turns long menu paths from the 300-page manual into structured, searchable explanations, built for students rather than engineers.
Best for
Upper-secondary students handed a TI-Nspire CAS calculator who need clear instructions instead of the manual or scattered tutorials.

Watched for 17 days · last checked today

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SuStash

Live

Private save-everything app for iPhone that files shared links, screenshots and videos into the right collection automatically and lets you search by meaning, not exact words.

No sign-upWorks offlineNo adsNo tracking
What to know▼
How it works
On-device AI files shared content and fetches titles/previews; semantic search finds items by meaning
What's different
No accounts, ads or tracking; data stays on-device and in private iCloud
Best for
iPhone users who save a lot of links and want them organized without manual folders

Watched for 6 days · last checked today

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Zenfeed

Live

Free local Chrome extension that hides promoted/suggested posts and AI-generated content on LinkedIn, X and YouTube.

FreeNo sign-upWorks offlineNo ads
What to know▼
How it works
Hides promoted and suggested posts, blocks user-chosen keywords, and lets you 'Rest from AI' on a timer that hides AI content and brings it back automatically.
What's different
100% local — no backend, no tracking, no account.
Pricing
Free, no ads, no upsell.
Watch out
Chrome extension only.

Watched for 3 days · last checked 1d ago

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Mindful Guard

Live

An Android app that hard-blocks Instagram Reels, TikTok and YouTube Shorts once your daily time limit is hit, with no snooze or override to talk yourself out of it.

FreeWorks offlineNo tracking
What to know▼
How it works
Lets you set a hard daily time limit on Instagram Reels, TikTok and YouTube Shorts; once the limit is hit, the feed is blocked for the rest of the day with no override or snooze button. Also supports scheduled app blocking, quick focus sessions, and custom block lists.
What's different
Positioned against blockers that let you snooze or override the block — here the block holds, with tamper protection against quietly uninstalling.
Pricing
Free.
Best for
Android users, including students, who want to stop short-form video scrolling and have found softer blockers easy to bypass.

Watched for 18 days · last checked 2d ago

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MovieShort AI

Turn any movie into YouTube Shorts, TikTok with AI - free

FreeWorks offlineOpen source

First seen today

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YouTube Chapter Generator

Not responding

Generates YouTube chapter timestamps by analyzing both video transcript and visual scene changes.

FreeWorks offline
What to know▼
How it works
Upload a video, SRT, or YouTube link; dual text and visual verification cross-checks topic boundaries against real scene changes to generate accurate chapter timestamps, with editable titles and one-click copy to YouTube.
What's different
Unlike tools that only read subtitles, this analyzes the actual video using Whisper and CLIP.
Pricing
Free, offline, zero API.

Watched for 13 days · last checked today

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