Compare 12 options for tasks you use Sheldon AI for. Their feature coverage differs; check the summaries and plan details. AI assistant that runs in your browser, right where you work
| Tool | Pricing | Score | API | Ongoing free tier | Self-hosting |
|---|---|---|---|---|---|
| Sheldon AIthis one AI assistant that runs in your browser, right where you work | Freemium | 6 | No | Unknown | No |
| SheetMagic AI formulas for Google Sheets without code | Freemium | 0 | No | Unknown | No |
| HyperWrite AI writing assistant with 300+ tools for every task | Freemium | 7 | Unknown | Unknown | No |
| Jetwriter AI writing assistant embedded in your browser | Freemium | 2 | Unknown | Unknown | No |
| KeyShift AI AI text tools built into your favorite apps | Freemium | 6 | Unknown | Unknown | No |
| Mailr AI email composer with 10+ tone options for Gmail | Freemium | 8 | Unknown | Unknown | No |
| Checklist.gg AI-powered checklist generation for teams | Freemium | 10 | Unknown | Unknown | No |
| GPT Workspace AI assistant integrated into Google Workspace for seamless workflows | Freemium | 3 | Unknown | Unknown | No |
| AI Toolbox Browser extension organizing ChatGPT, Claude, Gemini, and Grok | Freemium | 8 | No | Yes | No |
| Sheetgod Convert plain English into Excel formulas and automation | Freemium | 1 | Unknown | Unknown | No |
| Flowshot Google Sheets automation with AI—autocomplete, formulas, images without code | Freemium | 4 | No | Yes | No |
| IntelliMail AI-powered email assistant for Chrome | Free | 6 | No | Unknown | No |
| Cargo Generate sales emails and copy at scale in Google Sheets | Free | 5 | Unknown | Unknown | No |
SheetMagic is a Google Sheets add-on that brings AI directly into your spreadsheets. Write formulas to generate content, analyze images, scrape websites, and retrieve search data—all with a familiar spreadsheet interface. It works with multiple AI models including GPT-4o, Claude, and Gemini, making powerful automation accessible to anyone.
HyperWrite is an AI writing assistant offering hundreds of built-in tools for composing, editing, and researching content across platforms. The Chrome extension integrates with Gmail and Google Docs to provide real-time suggestions and email automation. Premium plans unlock custom AI personas and advanced features for writers, students, and professionals.
Jetwriter is a lightweight browser extension that serves as your personal AI writing assistant. It helps you compose emails, improve grammar, translate content, and chat with web pages—all from any website. Integrations with Gmail learn your writing style to generate personalized email responses, while support for multiple AI models (GPT-4, Claude, Gemini) gives you flexibility in quality and speed.
KeyShift AI brings AI-powered writing and editing directly into applications you use daily—Slack, Discord, Gmail, Notion, and more—without leaving your workflow. Use trigger commands to rewrite, translate, or compose text inline with GPT-4o, Claude, or Gemini. It saves time by eliminating the copy-paste cycle between apps.
Mailr is a Chrome extension that generates emails and replies instantly using AI. It lets you choose from multiple tones—friendly, formal, persuasive, and more—to match any situation. Built for professionals who spend hours drafting messages.
Checklist.gg automates task list creation using AI, turning prompts or documents into organized checklists. Teams collaborate in real-time, track progress, and access 1,000+ pre-built templates. The Chrome extension brings checklist generation directly to your browser.
GPT Workspace embeds AI capabilities powered by GPT-4o, Claude, and Gemini directly into Google Docs, Sheets, Slides, Gmail, and Drive. Draft emails, generate spreadsheet formulas, create presentations, and search files using natural language—all without context-switching. Designed for teams that want AI assistance woven into their existing productivity stack.
AI Toolbox is a Chrome extension that brings advanced organization features to your AI conversations. It adds nested folders, full-text search, smart tagging, and prompt chaining across ChatGPT, Claude, Gemini, and Grok in a single browser extension. Ideal for professionals and researchers managing extensive conversation histories and building complex workflows.
Sheetgod converts plain English descriptions into Excel formulas, VBA code, Google Apps Script, and regex patterns. Users simply describe what they need in natural language, and the AI generates spreadsheet solutions ready to use. Designed for anyone who wants to automate spreadsheet tasks without writing code.
Flowshot is an AI plugin for Google Sheets that automates spreadsheet work without requiring formula knowledge. It auto-fills cell ranges based on examples, generates formulas from English descriptions, creates AI images directly in cells, and answers data questions via an AI sidebar. Built for teams at all levels—from individual users to enterprises like Google and Spotify.
IntelliMail is a Chrome extension that uses AI to automatically generate email responses, eliminating the need to write emails from scratch. The extension integrates directly into your browser and promises to handle email composition while maintaining strict privacy — the tool explicitly states it does not read or store user data. Perfect for professionals who spend hours drafting routine messages and want to reclaim time.
Cargo is an AI-powered Google Sheets add-on that automates content creation. It uses pre-built templates to generate sales emails, follow-ups, ad copy, and blog posts based on your spreadsheet data. Ideal for marketing teams and sales professionals looking to scale outreach without manual writing.