The Command Bar for Power Users

Free Download

Available for Windows 10 and 11

A Sill for Seamless Productivity

WindowSill bundles an infinite amount of productivity-boosting features into one seamless experience.

Media Control

Skip and pause your music or video without breaking your concentration.

Works seamlessly with Spotify, YouTube, Netflix, Apple Music, Deezer, and virtually any media player on your system.

Clipboard History

Never lose what you've copied again. Access your clipboard history instantly and paste any previous item with a single click or keyboard shortcut.

Supports text, image, URLs, colors, and more. Your privacy is protected thanks to Screen Recording Protection, which hides your data when an app records the screen.

Meeting Control

Stay in control of your calls without switching windows. Mute, unmute, react, and leave meetings directly from WindowSill, even when your meeting app is in the background or minimized.

Currently supports Microsoft Teams, with Zoom, Discord, and WhatsApp coming soon.

Short-Term Reminders

Cut through the noise of daily distractions with instant, actionable reminders. Create quick reminders from WindowSill.

Choose your alert style: full-screen notifications that demand attention when you need that extra push, or traditional toast notifications for gentler nudges.

Especially helpful for ADHD users and anyone who benefits from clear, unmissable reminders.

URL Utilities

Select any URL from anywhere across all your applications and transform it instantly.

Generate shortened links for cleaner sharing or QR codes for instant mobile access.

Image Utilities

Drag and drop images for instant processing. Convert formats, resize, or compress without opening bulky editing software.

Handle single images or batch-process dozens at once; all the essential image tools you need, right in your digital window sill.

Web Browser Control

Zoom in and out a page as WindowSill automatically detects when a web browser is in focus.

Supports Google Chrome, Mozilla Firefox, Microsoft Edge, Opera, Vivaldi and Brave.

More Features & Personalization with Extensions

WindowSill can provide additional features thanks to extensions. It also has various options, such as 3 different bar size, and being able to anchor it to the top, left, bottom or right of any monitor.

Browse Extensions

AI Text Assistant

Use the power of ChatGPT and other AI models to enhance your writing experience.

Improve Any Text, Anywhere

Quickly summarize or translate text, rewrite emails or documents, and enhance your overall writing style without breaking your flow.

Translate Text

Effortlessly translate text right within your favorite app—no need to switch tabs or copy-paste. Instantly convert words, sentences, or code snippets into more than 35 supported languages with ease and speed.

Useful for non-native speakers, travelers, and anyone working with foreign languages.

Adapt Your Tone to Any Audience

Switch seamlessly between professional, casual, or attention-grabbing styles. Whether it's for work emails, friendly chats, or standout social posts.

Useful for marketeers, content creators, and anyone looking to tailor their message for different audiences.

Instant Spell & Grammar Fix

Typos and awkward sentences can slip in when you're typing fast, but they don't have to make it to "Send". WindowSill's advanced spell checker can reviews your text and edit it, catching grammar and spelling mistakes while understanding the meaning behind your words.

Useful for anyone who writes frequently, from students to professionals.

Custom Prompts

Create AI prompts that capture your unique voice perfectly. Whether it's attention-grabbing social media posts, your signature writing style, or information extraction from a text, WindowSill allows you to create reusable prompts to optimize your productivity.

Useful for students, marketeers, content creators, developers and anyone who use AI for repeatitive tasks.

Online & Offline AI

Take advantage of your favorite AI provider such as OpenAI, Anthropic, or use your local Large Language Model (LLM) for enhanced privacy and security.