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Your daily distractions compound. Distraction Cost Calculator shows exactly how much they cost you—in hours, missed goals, and extended timelines.

Upload, organize, tag, and preview your PDFs and presentations — all stored locally in your browser. No cloud, no sign-up, no tracking.

A free, privacy-first habit collapse predictor. Track multiple habits, calculate collapse risk, measure volatility, and predict exactly when your streak will break — 100% client-side, no sign-up required.

A free, minimalist focus timer built for habit formation. Preset durations, a beautiful visual progress circle, sound alerts, keyboard shortcuts, and zero tracking — all in your browser.

PureDiff is a zero-upload file comparison tool. Paste text or upload files to get instant line-by-line diffs—side-by-side or inline—without sending a single byte to a server.

Take pixel-perfect screenshots every time. ViewPorter opens a controlled browser popup at exact pixel dimensions, with device presets, aspect ratio lock, and resize-on-demand — all in your browser, zero install.

Weekwise renders your lifespan as a grid of weeks—filled for the past, empty for the future. Track milestones, create multiple profiles, and make every week count. 100% free and client-side.

A free, privacy-first multi-criteria decision analysis tool. Define criteria, assign weights, score options, and see ranked results instantly—no sign-up, no servers, 100% client-side.

Check any foreground/background color pair against WCAG 2.1 contrast requirements. See AA and AAA results, a live text preview, and copy CSS—all client-side, free, no signup.

Stop guessing why your emails aren't sending. SMTP Test Tool lets you verify your SMTP server connection, authentication, and delivery with real-time step-by-step diagnostics.

Transform your package.json into an interactive, security-aware tree visualization. Identify vulnerabilities, deprecated packages, and dependency relationships—all in your browser.

A free, privacy-first expense splitting app that works offline. No sign-up, no subscriptions, no data harvesting—just simple expense tracking that stays on your device.