# Private Chrome Extensions for Better Work

> Fifteen local-first Chrome extensions for adaptive dark theming, website auditing, YouTube control, browser automation, downloads, screenshots, research, bookmarks, tab sessions, task management, documentation, PDF reading, and browser-based creative work.

This site is the canonical product catalog for Chrome extensions published by Selfhood Studios. The extensions require no Selfhood account, store user data locally by default, and use direct user-configured providers only for optional network features.

## What these extensions help with

- Give websites adaptive dark themes with per-site controls, dynamic-page coverage, schedules, and optional privacy-filtered AI planning.
- Automate browser research and multi-tab tasks with visible, user-controlled AI actions.
- Control YouTube playback, sound, focus, segments, notes, transcripts, and optional AI tools.
- Download files and page media with acceleration, rules, and local insights.
- Capture, edit, redact, organize, and export screenshots or visual guides.
- Save research, reconstruct context, and resume interrupted work.
- Organize bookmarks, knowledge, tabs, sessions, tasks, notes, and focus time.
- Edit images in Chrome with professional and optional AI-assisted tools.
- Audit live websites, inspect DOM and accessibility evidence, and extract design tokens.

## Extension catalog

- [Shibui — Photo Editing, Reimagined](https://www.extensionsbyselfhood.com/extensions/shibui): Creative Chrome extension. Edit like magic: speak your intent and Nano Banana makes it real. Pro layers, brushes, adjustments, and AI woven through every workflow — all in your browser. Key capabilities: Say it, see it, Paint where the magic goes, A real editor, not a toy. AI mode: BYOK. Current version: 4.5.0.
- [Aether — Download Manager](https://www.extensionsbyselfhood.com/extensions/aether): Downloads Chrome extension. A premium Chrome download manager: accelerated multi-connection downloads, HLS/DASH video capture, debrid & torrent magnets, Usenet NZB hand-off, page media harvester, smart rules, and private local insights. Key capabilities: Every download, in parallel, Sweep a page clean, Magnets and NZBs, handled. AI mode: None. Current version: 4.1.0.
- [ThreadBack — Browser Research Organizer](https://www.extensionsbyselfhood.com/extensions/threadback): Research Chrome extension. Reconstructs your task threads — goal, evidence, decisions, open questions, and the next step — so you can resume interrupted browser work without rebuilding context. Key capabilities: Your context, reconstructed, Decisions, laid flat, Research that stays yours. AI mode: On-device + BYOK. Current version: 0.3.0.
- [Hibiki — Step-by-Step Guide & Tutorial Maker](https://www.extensionsbyselfhood.com/extensions/hibiki): Documentation Chrome extension. Auto-screenshots at key moments, annotation, redact, organize, and export to PDF/HTML/Markdown — 100% local. Key capabilities: Do the task once, Annotate without the busywork, Every guide, findable. AI mode: On-device. Current version: 0.3.0.
- [Vaelith — Private AI Bookmark Manager & Knowledge Base](https://www.extensionsbyselfhood.com/extensions/vaelith): Knowledge Chrome extension. Private AI bookmark manager and personal knowledge OS. Semantic search, living knowledge graph, cited chat, on-device summaries, and local embeddings. Key capabilities: Bookmarks that stay alive, Find it by what it meant, See your mind's shape. AI mode: On-device + BYOK. Current version: 0.2.0.
- [Momentum OS — Tab Session Manager](https://www.extensionsbyselfhood.com/extensions/momentum): Productivity Chrome extension. Auto-detects work sessions from browsing behavior, organizes tabs into lanes, saves checkpoints, and surfaces a calm command center — so you get back into flow instantly. Key capabilities: It knows when you're working, Tabs with a job title, Save points for your brain. AI mode: None. Current version: 0.2.0.
- [Shiori — Tab Manager & Session Saver](https://www.extensionsbyselfhood.com/extensions/shiori): Productivity Chrome extension. A calm, local-first tab manager and session saver. Save every tab in one click to free memory, restore anytime — fuzzy and semantic search, folders, notes, automation rules, and optional AI. Key capabilities: Close it all, lose nothing, A quiet home for every session, Find that tab from last Tuesday. AI mode: On-device + BYOK. Current version: 0.2.0.
- [Lumina — Professional Screenshots](https://www.extensionsbyselfhood.com/extensions/lumina): Capture Chrome extension. Flawless capture, pro non-destructive editor, on-device AI, and a searchable local library. PNG/PDF/WebP export, device mockups, design token extractor, PII auto-redact. Key capabilities: Five ways to frame it, Non-destructive, like it should be, Vision AI that never phones home. AI mode: On-device. Current version: 2.7.0.
- [Kairo — Productivity Side Panel](https://www.extensionsbyselfhood.com/extensions/kairo): Productivity Chrome extension. God-mode productivity for Chrome. Tasks, Kanban, notes, focus timers, capture, command palette, AI co-pilot, analytics, and site blocking — one side panel. Key capabilities: Your day, in the side panel, Drag it to done, Timers with teeth. AI mode: BYOK. Current version: 0.4.0.
- [Get TLDR — AI Summarizer & Content Management](https://www.extensionsbyselfhood.com/extensions/gettldr): Research Chrome extension. AI summaries in context: read the essentials of any article or video in a focused in-page sidebar. Choose a summary style or write your own, summarize selected text from the right-click menu, and keep every summary in a searchable local library. Key capabilities: Read the page without reading the page, Choose the way you think, Get the point before the progress bar ends. AI mode: Cloud. Current version: 1.0.22.
- [Satori — PDF Reader & AI Workspace](https://www.extensionsbyselfhood.com/extensions/satori): Research Chrome extension. A local-first PDF workspace for Chrome. Read with focus, annotate precisely, reorganize and transform documents, and chat with the page using cited AI — all stored on your device, with no account. Key capabilities: A workspace, not a viewer, Mark it up like you mean it, Chat with the document, get receipts. AI mode: On-device + BYOK. Current version: 1.2.2.
- [Nexus — AI Browser Agent](https://www.extensionsbyselfhood.com/extensions/nexus): Productivity Chrome extension. An agentic AI workspace inside Chrome. Ask in plain language and Nexus can research, navigate, click, type, and coordinate work across tabs — reading every page to the bottom, citing only sources it opened, and showing what each turn cost. Nine providers, connected MCP tools, and a new tab built around the work. Key capabilities: Describe the outcome, not the clicks, See every step, source, and cost, Redirect the work without starting over. AI mode: BYOK. Current version: 2.8.1.
- [Kiwami — Adaptive YouTube Control Layer](https://www.extensionsbyselfhood.com/extensions/kiwami): Productivity Chrome extension. Build viewing rules in plain language, navigate videos as knowledge maps, clear Watch Later intelligently, verify claims with evidence, turn lessons into practice, and let speed and sound adapt to what you are watching. Key capabilities: Say how you watch. Kiwami handles the rest., The progress bar becomes a knowledge map, Turn Watch Later into a queue worth finishing. AI mode: On-device + BYOK. Current version: 1.8.0.
- [Prism — AI Website Audit & Inspector](https://www.extensionsbyselfhood.com/extensions/prism): Development Chrome extension. Audit the live page across accessibility, UX, SEO, performance, and security; inspect DOM evidence; extract design tokens; compare visual regressions; and ask a bring-your-own-key AI co-pilot for prioritized fixes. Key capabilities: One score. Every signal., A co-pilot that can see the page, Inspect anything. Understand everything.. AI mode: On-device + BYOK. Current version: 1.0.0.
- [Kuro — Dark Mode for the Future](https://www.extensionsbyselfhood.com/extensions/kuro): Productivity Chrome extension. Give every website a considered dark theme with adaptive OKLCH colour mapping, four rendering engines, per-site controls, dynamic-page coverage, evening automation, and optional privacy-filtered AI theme plans. Key capabilities: A dark theme shaped around the page, Every comfort control, close at hand, Plans that understand the interface. AI mode: On-device + BYOK. Current version: 1.0.0.

## Key pages

- [Chrome extension catalog](https://www.extensionsbyselfhood.com/extensions): Compare all fifteen extensions by workflow and category.
- [Privacy policy](https://www.extensionsbyselfhood.com/privacy): Product-by-product data handling, storage, third-party services, retention, deletion, and Chrome Web Store Limited Use disclosure.
- [Homepage](https://www.extensionsbyselfhood.com): Overview of the extension suite and its local-first design principles.

## Trust and data model

- No Selfhood account is required.
- Extension content is stored in browser-managed local storage by default.
- The extensions do not include Selfhood analytics, advertising, or telemetry.
- Optional cloud AI and third-party services are user-configured and contacted directly.
- Exact data practices for each product are documented in the privacy policy.

## Optional

- [Publisher website](https://www.selfhood.studio/): Corporate information about Selfhood Studios.