Tutorials

The useful part, explained properly.

When a workflow is worth keeping, I write down the exact process, references and prompts so you can rebuild it without digging through scattered notes.

All guides & tools

Explore the rest of the site →

Choose a tool for its walkthrough, original source and setup steps. Some tools are skills added to Claude or Codex rather than standalone apps.

First time? Start with your task

Start here

Both run on a computer without Claude or Codex. These workflows need no subscription: Buzz with a local model, and LosslessCut from the official GitHub downloads.

On your phone? Choose a tool here, then open this same page on your computer to download and install it. Buzz and LosslessCut do not run on iPhone or Android.

Buzz

Need a transcript or subtitle file?

Use Buzz to turn audio/video speech into TXT or SRT/VTT.

Download your computer’s version below and install it; choose and download a local model for first use.
Import a short clip, choose Transcribe and the language, then Run.
Review words and timing; export TXT for text or SRT/VTT for subtitles.

Download Buzz · choose your computer

For computers, not Android or iPhone. Links open the official source in a new tab; Windows and Mac require selecting a file from the list. Avoid download advertisements.

Windows · official download page ↗

In the file list choose Windows-X64. If it is a ZIP, extract it first and open the app from its folder.

macOS · official download page ↗

Choose ARM64 for Apple Silicon or X64 for Intel. The last Intel-compatible release is 1.4.5. Extract ZIP if supplied; open the DMG and drag the app to Applications.

Linux · official download page ↗

Open Buzz on Flathub and follow Install. Set up Flatpak on your computer first as required by your distribution.

To identify your Mac: Apple menu → About This Mac; Chip means Apple Silicon, Processor Intel means Intel. Downloads can be large; use your computer and a suitable connection.

Official installation instructions ↗

Full Buzz guide →

Review transcript accuracy; subtitle files need importing into a compatible editor.

LosslessCut

Need to trim unwanted footage?

Use LosslessCut to keep a section of a video and export a new file.

Choose your computer’s download: extract the Windows 7z or open the Mac DMG; Linux AppImage needs executable permission.
Open a short video and mark the start and end of the section to keep.
Click Export and confirm settings, then review the output’s cut points and audio.

Download app · choose your computer

Computers only. On Mac: Apple → About This Mac; Chip means Apple Silicon, Processor Intel means Intel. Windows: extract 7z before opening the app; Mac: open DMG and drag to Applications; Linux: allow the AppImage to run as a program.

LosslessCut · 3.70.1

Windows x64 · 7z archive ↓macOS Apple Silicon · DMG ↓macOS Intel · DMG ↓Linux x64 · AppImage ↓

Source ZIP · not the app

Full LosslessCut guide →

Check cut accuracy: starts may follow keyframes. Paid store editions are optional.

Need both? Trim the wanted section in LosslessCut first, then transcribe that exported clip in Buzz. If you cut the video after creating subtitles, check their timing again.

Or search all tools ↓

Illustration: analyze an app and build an independent project with Claude Code — Original conceptual illustration; not a screenshot or tested outcome

Replica Skill

Build your own independent app alternative

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Useful for: App development
Runs on: Computer via assistant
Assistant required (choose one): Claude Code

Usage & cost details

11 Claude Code skills to research features, design, build and test your own original app. Not a one-click clone or browser app.

Requires Claude Code, plugin installation and project scoping, code review and testing. Complex apps take further technical work.

Open-source skills, not a phone app. Use permitted materials and build clean-room functionality; do not copy proprietary code, logos or data.

Download source files · ZIP

Source files · pinned revision · 77c9436

Set up in 3 steps

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Requires Claude Code, plugin installation and project scoping, code review and testing. Complex apps take further technical work.

Before you start: Computer with a plugin-capable Claude Code session; enter /plugin commands in Claude Code chat, not the terminal. Some helpers need Python 3.8+.

Open Claude Code on your computer and sign in.
2
Install the plugin using the two commands below inside Claude Code chat; restart the session if needed.
Project’s recommended installation method
```
/plugin marketplace add Jakeschincariol/replica-skill
/plugin install replica-skill@replica-skill
```

Start by analyzing a simple app through public sources, then review the scope before building.

/replica-skill:replica-recon Study a booking app from public pages and plan an independent alternative.

MIT source files are free; Claude Code, model access, hosting and integrations may cost money. Do not copy proprietary code or protected branding/assets.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-21

LosslessCut

Trim unwanted footage in a few steps

Cost: Free GitHub download; paid store editions are optional
Difficulty · our assessment: Easy · beginner-friendly

Free without a subscription

Useful for: Video trimming & editing
Runs on: Windows / macOS / Linux
Assistant required (choose one): No Claude or Codex required

Usage & cost details

Mark a segment’s start and end, then export it in a desktop interface. Useful for preparing long recordings before editing, without re-encoding in the usual lossless workflow.

Approachable for one-segment trimming: open a video, mark start/end and export. Windows first needs 7z extraction; review the exported cut points.

Download the official GitHub app and trim local files. No subscription, account or API credits are needed; paid store editions are optional.

For Windows, macOS and Linux; choose the correct architecture. Standalone desktop app, with no Claude or Codex required.

Download app · choose your computer

LosslessCut · 3.70.1

Windows x64 · 7z archive ↓macOS Apple Silicon · DMG ↓macOS Intel · DMG ↓Linux x64 · AppImage ↓

Source ZIP · not the app

Source reference revision · 2610190

Set up in 3 steps

Cost: Free GitHub download; paid store editions are optional
Difficulty · our assessment: Easy · beginner-friendly

Free without a subscription

Download the official GitHub app and trim local files. No subscription, account or API credits are needed; paid store editions are optional.

Approachable for one-segment trimming: open a video, mark start/end and export. Windows first needs 7z extraction; review the exported cut points.

Start here: download the app for your computer

Before you start: A computer: 64-bit Windows 10/11, macOS 12+, or Linux compatible with the x64 build. Windows needs a 7z extractor; on Mac choose Apple Silicon or Intel. Check the release requirements for your computer.

Choose your computer’s download. Windows: extract the 7z and run LosslessCut.exe from its folder; macOS: open the DMG and drag the app to Applications; Linux: allow the AppImage to run as a program in file properties, then open it; check your distribution’s requirements.
Open the app and drag in a short video. Mark the start and end of the section to keep on the timeline; default shortcuts are I for start and O for end.
Click Export, review the output folder and filename, then confirm export. Play the result and check the cut points and audio before using it.
First try: keep ten seconds of a sample video, export to a new file and review it.

Official GitHub downloads are free under GPL-2.0. Trimming local files needs no subscription, AI account or API credits. Paid app-store editions are an optional way to support the project.

For normal use, choose your computer’s app file from the download menu. The separate source ZIP is for inspecting code; these steps need no programming commands.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20

Buzz

Turn your video into text and subtitles

Cost: Free locally; optional external services may cost extra
Difficulty · our assessment: Easy · beginner-friendly

Free without a subscription

Useful for: Transcripts & subtitles
Runs on: Windows / macOS / Linux
Assistant required (choose one): No Claude or Codex required

Usage & cost details

A desktop app that transcribes audio/video and exports TXT, SRT and VTT, reducing manual transcript work.

Start with your OS installer linked in the guide, then try a short clip. The graphical workflow is approachable; the Python method needs more technical setup.

Choose a local Whisper or Whisper.cpp model after downloading it. This workflow needs no subscription or paid API credits; cloud services are optional.

Standalone desktop app. The current macOS installer needs Apple Silicon; see the guide for Intel Macs.

Download Buzz · choose your computer

For computers, not Android or iPhone. Links open the official source in a new tab; Windows and Mac require selecting a file from the list. Avoid download advertisements.

Windows · official download page ↗

In the file list choose Windows-X64. If it is a ZIP, extract it first and open the app from its folder.

macOS · official download page ↗

Choose ARM64 for Apple Silicon or X64 for Intel. The last Intel-compatible release is 1.4.5. Extract ZIP if supplied; open the DMG and drag the app to Applications.

Linux · official download page ↗

Open Buzz on Flathub and follow Install. Set up Flatpak on your computer first as required by your distribution.

To identify your Mac: Apple menu → About This Mac; Chip means Apple Silicon, Processor Intel means Intel. Downloads can be large; use your computer and a suitable connection.

Official installation instructions ↗

Source reference revision · 6186d09

Set up in 3 steps

Cost: Free locally; optional external services may cost extra
Difficulty · our assessment: Easy · beginner-friendly

Free without a subscription

Choose a local Whisper or Whisper.cpp model after downloading it. This workflow needs no subscription or paid API credits; cloud services are optional.

Start with your OS installer linked in the guide, then try a short clip. The graphical workflow is approachable; the Python method needs more technical setup.

Start here: choose your OS installer

Start with the desktop app from the menu above. You do not need Python for this workflow.

Download your OS file from the official source, then follow the extraction or installation notes in the download menu.
Open Buzz, choose a local Whisper or Whisper.cpp model and download it for first use; avoid paid API options for the free workflow.
Use File → Import Media File for a short clip, select Transcribe and the language, then Run. Review text and timing and export TXT or SRT/VTT.

Optional Python method · advanced users

A computer with a Python 3.12 environment, pip and FFmpeg for the method below. Local models need an initial download, disk space and processing time. Linux may need the extra system libraries listed in the docs.

pip install buzz-captions
python -m buzz

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20

Instagram Agent Skill

Plan and write Instagram content

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Useful for: Social media content · Video planning & scripts
Runs on: Computer via assistant
Assistant required (choose one): Claude Code

Usage & cost details

Turn an idea into a Reel draft, caption and content plan with Claude.

Set up Claude Code and install the plugin first. Then start with a command and an idea, and review the draft; content use does not require coding.

This guide installs into Claude Code on a supported computer. Codex installation is not documented here.

Download source files · ZIP

Source files · pinned revision · d03c56b

Set up in 3 steps

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Set up Claude Code and install the plugin first. Then start with a command and an idea, and review the draft; content use does not require coding.

Before you start: A computer with Claude Code, plugin support and an active account. Enter /plugin commands inside Claude Code, not a browser chat or a regular terminal.

Open Claude Code on your computer and sign in.
2
Paste the two installation commands below. Start a new session if the skills do not appear.
Project’s recommended installation method
```
/plugin marketplace add Jakeschincariol/instagram-agent-skill
/plugin install instagram-agent
```
3
Try the command below with your own idea. Review the draft before publishing.
```
/ig-reel Draft a Reel about organizing video ideas for beginners
```

MIT-licensed source; your assistant may require a paid plan. These are assistant skills, not standalone apps.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20

Illustration: idea, script, then review — Workflow illustration; not the tool’s interface

YouTube Agent Skill

Turn a YouTube idea into a script and plan

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Useful for: Video planning & scripts
Runs on: Computer via assistant
Assistant required (choose one): Claude Code

Usage & cost details

Help with scripts, titles and thumbnails; you stay in charge of publishing.

Requires Claude Code setup and plugin installation. Daily use is command-based script writing and planning, with your review of the result.

Skills inside Claude Code on a supported computer, rather than a video editor or phone app.

Download source files · ZIP

Source files · pinned revision · a2feb21

Set up in 3 steps

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Requires Claude Code setup and plugin installation. Daily use is command-based script writing and planning, with your review of the result.

Before you start: A computer with Claude Code, plugin support and an active account. Enter /plugin commands inside Claude Code, not a browser chat or a regular terminal.

Open Claude Code on your computer and sign in.
2
Paste the two plugin commands below, then start a new session if needed.
Project’s recommended installation method
```
/plugin marketplace add Jakeschincariol/youtube-agent-skill
/plugin install youtube-agent
```
3
Use the command below with a video topic. It creates a draft for your review.
```
/yt-script Draft a short video about organizing content ideas
```

MIT-licensed source; your assistant may require a paid plan. These are assistant skills, not standalone apps.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20

LinkedIn Skills

Improve your LinkedIn content and profile

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Useful for: Social media content · Professional profile
Runs on: Computer via assistant
Assistant required (choose one): Claude Code / Codex / Cursor

Usage & cost details

Skills to turn your real experience into a clearer profile and better posts.

Choose one assistant and install the skills. Start with a post draft from your experience; connecting extra publishing services adds setup and may add costs.

Choose one supported assistant. The guide covers Claude Code, Codex and Cursor setup options and their requirements.

Download source files · ZIP

Source files · pinned revision · bfa41ff

Set up in 3 steps

Cost: Free skills; the assistant may require payment
Difficulty · our assessment: Intermediate

Choose one assistant and install the skills. Start with a post draft from your experience; connecting extra publishing services adds setup and may add costs.

Before you start: A computer with Claude Code, plugin support and an active account. Enter /plugin commands inside Claude Code, not a browser chat or a regular terminal.

Open a plugin-capable Claude Code session and sign in.
2
Paste the two commands inside Claude Code, then start a new session if needed.
Project’s recommended installation method
```
/plugin marketplace add sergebulaev/linkedin-skills
/plugin install linkedin-skills@linkedin-skills
```
3
Start with a small task based on your real experience. The full guide lists skills and Codex/Cursor setup options.
```
Help me draft a LinkedIn post from a real work experience. Ask for any missing details.
```

MIT-licensed source; your assistant may require a paid plan. These are assistant skills, not standalone apps.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20

Understudy

An assistant for computer tasks on Mac

Cost: Free tool; the model provider may charge
Difficulty · our assessment: Advanced

Useful for: Computer automation
Runs on: Mac for desktop control
Assistant required (choose one): No Claude or Codex required

Usage & cost details

A computer-task agent; visual desktop control requires macOS and permission setup.

Requires a terminal, Node.js, model-provider configuration and computer-control permissions. Start with a small task and review it step by step.

Desktop control requires macOS. Configure a model provider; the Claude and Codex apps are not required. CLI/browser components have different requirements in the guide.

Download source files · ZIP

Source files · pinned revision · 820cac1

Set up in 3 steps

Cost: Free tool; the model provider may charge
Difficulty · our assessment: Advanced

Requires a terminal, Node.js, model-provider configuration and computer-control permissions. Start with a small task and review it step by step.

Before you start: Node.js 20.6+, npm and a terminal. Desktop GUI control needs macOS, Xcode tools and screen-recording/accessibility permissions; review the full guide before enabling them.

Check Node.js/npm and open Terminal on a Mac for GUI use.
2
Paste the install command, then run setup. Choose your provider and permissions yourself.
Project’s recommended installation method
```
npm install -g @understudy-ai/understudy
understudy wizard
```
3
After setup, open chat and try a small non-sensitive task. Check the result.
```
understudy chat
```

MIT source; model usage may cost money. Downloading the source does not install the tool.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Full walkthrough Original GitHub ↗

Source reviewed: 2026-10-20