Top arrivals in Useful Tools.
A highly specific offline ballistic calculator for Android and WearOS that models probability of hit, density altitude, Coriolis, spin drift, and FFP reticles on-device.
An operating system for collectible sellers, with inventory, grading imports, barcode labels, Shopify sync, and offline show mode.
A crypto incident-response tool that traces stolen funds across chains and turns public blockchain data into shareable case files.
A Mac menu-bar tool that fixes text typed in the wrong keyboard layout with one shortcut, locally and privately.
A very specific toolkit for resizing photos, signatures, PDFs, and Aadhaar files for Indian competitive exam forms, with lots of exam presets.
A Finnish browser-based repair-shop operating system for heavy machinery, with diagnostics help, work orders, inventory, billing, and customer portal features.
A free group expense splitter with multi-currency support, recurring expenses, and a very direct anti-drama pitch.
An AI property-intelligence tool that claims to tell you what you can build on a U.S. property using 20+ government data sources in about 20 seconds.
A free, offline-first focus timer with task carryover, daily stats, and a blocker extension for distracting sites.
A renter-focused search tool that pulls listings from multiple Canadian platforms, adds drive-time and school-catchment filters, and helps send inquiries fast.
A multilingual ID-photo tool that auto-crops, resizes, and checks passport and visa photos for 100+ countries.
A résumé tool that shows how applicant tracking systems parse your file, then helps you fix it.
A personal health dashboard that pulls together wearables, lab results, supplements, and medications into one timeline.
A focused bid-finding tool for small businesses chasing federal janitorial and facility-services contracts, with explainable scoring and source-backed reports.
A no-signup site auditor that clicks through live pages, checks accessibility and hidden errors, and returns a grounded QA report with fix prompts.
A browser-only toolbox for JSON/CSV, timestamps, Base64, slugs, color codes, and image conversion, with a strong privacy pitch.
A free image converter that claims to run entirely in your browser, with no uploads, no sign-up, and batch ZIP exports.
A focused set of RV calculators for battery sizing, tire pressure, generator matching, weight safety, and boondocking planning.
A browser-based grab bag of tiny media tools: downloaders, converters, trimmers, compressors, and recorders for video, audio, images, PDFs, and text.
A Spanish event-operations CRM built for wedding pros, with shared chat, timelines, collaborator roles, and sector-specific fields.