Useful Tools

A searchable directory tracing store-brand products to manufacturers through federal records, package codes, and other documents.

Sawmap converts uploaded 3D models into sheet layouts and numbered cutting instructions for woodworking projects.

An Android app for remotely controlling supported HF radios, with FT8, JS8Call, waterfall, and logging features built in.

An interactive simulator draws a birth using UN data, then follows the generated life year by year.

A set of free tools for checking online income offers: a scorecard, sales-page hype detector, fee calculator, and scam-spotting guide.

A free Chrome extension that labels, blurs, or hides AI-generated images and video in your feed.

A free browser tool that corrects underwater photos and videos, with batch processing and export options.

A free browser-based tool that checks support exports for signs that billed AI-agent resolutions may not have actually resolved the customer’s issue.

A browser-based tool that turns Xero payroll exports into portable long service leave return figures and fills in scheme spreadsheets.

A working reference for Arizona vacant land, combining county data, practical buyer guides, calculators, and land-owner packs.

A browser-based PDF toolkit for everyday jobs such as merging, signing, filling forms, and converting files; the site says files stay on your device.

A set of Japan travel calculators and guides covering rail fares, lodging taxes, shopping refunds, trip costs, and rule changes.

Under Seal says it finds sensitive information and hidden document data, then creates sanitized files for sharing or use with AI.

Acta tracks ownership and lending across 446 banks in 15 Latin American countries, alongside a five-test bank check that runs in your browser.

A daily set of brain-game evaluations compares your results with your own past runs, not other people’s.

A route planner with drive, bike, walk, and rig modes, offline map areas, and options for stops, tolls, border crossings, and more.

Choose a display mode and color depth to see whether HDMI, DisplayPort, USB-C, or Thunderbolt links can carry it, with or without DSC.

Interactive charts let readers trace Head of the Charles club finishes across editions or compare boats through a single race.

A searchable calendar of FDA Orange Book listed protection dates for branded drugs, with change tracking and optional watchlist alerts.

A Korean guide to places suited to solo outings, with listings across food, drinks, culture, rest, and more.

Kast is a free, open-source app for adjusting monitor settings, saving display layouts, and viewing or controlling other computers.

A classroom check-in lets a child tap one of four body-state options and gives the teacher a corresponding move to show.

A public calculator estimates annual mini-split heating costs using local weather, energy prices, and certified cold-climate system data.

A Catalan- and Spanish-language map and search for activities across Barcelona’s 73 neighborhoods and 36 metropolitan municipalities.

Upload a photo and the tool maps it to real Pokémon cards, with a free preview and paid files for building or printing the finished mosaic.

An interactive atlas of radiopharmaceutical trials and approved products, organized by target, phase, and indication.

An ingredient-pairing explorer that ranks what goes well with a selected food and lets you follow pairings onward.

An iPhone and Apple Watch location journal for recording visits and routes, reviewing your day, and optionally exporting your history.

A weather dashboard focused on aerostat operations at Choa Chu Kang Camp, combining radar, lightning, wind, heat-stress, flood-risk and forecast views.

A family-history project for sharing scanned photos and letters with relatives, who can add spoken or typed memories.

An interactive map for planning dispersed-camping trips across public lands in the western U.S., Alaska, and Hawaii, with location notes and offline-map controls.

A map-and-filter directory of 19 Chiang Mai apartments, serviced apartments and small hotels available by the month, with prices and direct-owner contact details.

CorseModer listens to DayZ’s 80.0 MHz nighttime broadcasts and decodes Morse messages into bunker locations and access codes.

CULET analyzes Uniswap v4 pools on Robinhood Chain by simulating trades and comparing how each pool’s hook affects the result.

A macOS desktop widget that turns the currently playing track into a spinning record, with album art as its label.

Pasalo presents restaurant teams with inspection practice, short training lessons, and plain-language answers based on Florida food-service rules.

A searchable, community-run library of hi-fi service manuals, owner’s manuals, brochures, and related documents.

A Windows desktop search app that finds files by meaning, quoted text, image similarity, and moments in audio or video.

A Mac app that recompresses Nikon N-RAW and R3D NE footage, rewraps between formats, and creates H.265 proxies.

A free collection of browser-based tools for decoding mainframe records, working with JCL, and looking up error codes.

Field software for water-restoration crews that records readings, photos, equipment, and job documentation, with psychrometric calculations and optional invoicing.

A no-registration place to write a private vent without keeping the text, while each act of letting go contributes to a shared tree.

A Japanese collection of calculators that weighs small savings against the time, effort, and other costs involved.

A free, no-sign-up converter rebuilds scientific-paper PDFs as reflowable EPUBs for Kindle, Kobo, and other e-readers.

A guitar-learning concept with a browser-playable guitar, song reactions, and a camera mode that turns playing into pixel art.

A Windows desktop utility that offers file actions based on what you select, such as converting images, combining PDFs, or making a ZIP.

An Italian-language videogame atlas that maps ten games by session length and helps players choose what fits tonight.

A free, bilingual Windows program uses SDR receivers to listen to and decode broadcasts, aircraft, ships, satellites, weather balloons, and digital signals.

A searchable reference to Apple App Store and Google Play rules, with quoted clauses, plain-language summaries, and change histories.

An interactive data explorer tracking how firms discuss employee welfare, DEI, communities, ethics, and crises on earnings calls from 2003 through 2025Q1.

A free Android app that says it alerts a paired family phone when remote-control software or screen-control access appears on an older relative’s device.

Telop is a forthcoming free iPhone app that presents real local weather in the style of a Japanese late-night TV forecast from 1984.

A desktop photo-sorting tool that groups similar shots, sets aside screenshots and other clutter, and copies selected photos into folders organized by year.

A free reference and set of browser-based calculators for bolt torque and vehicle lug-nut specifications.

A free browser-based toolkit for making trance parts, with generators and utilities for MIDI, WAV, presets, mixing and DJ planning.

A free Chromium extension captures webpage animations frame by frame, so you can inspect motion, flag a problem frame, and export a Markdown spec.

VisaTomo guides English-speaking users through Japanese immigration forms and produces a completed Japanese-language PDF.

A comparison tool places treatment prices abroad alongside waiting times and self-pay prices at home.

A free desktop-widget app for macOS, Windows, and Linux, with 20 widget types presented across 30 themes.

A Japanese database of publicly reported data breaches lets people check services against its records, including through their Gmail registration history.

ClearSnip compares clinics’ published self-pay vasectomy prices by state, including what each price covers and a link to its source.

A free planetarium app for exploring the sky above a chosen town, learning constellations, and organizing photos from a Vaonis Stellina telescope.

A private diary for Singapore residents to log noisy-neighbour incidents and organize recordings, photos, and videos for mediation or tribunal proceedings.

A free, no-sign-up set of Starlink tools for tracking satellites, sizing a Mini battery, comparing costs and plans, and checking a used kit.

SnorkApp ranks snorkeling spots by forecast conditions, with hourly scores and settings for different preferences.

Berean compares property-management and accounting ledger exports to identify missing entries and amount mismatches.

A searchable comparison of how car models fare at their first regular technical inspection in the Czech Republic.

A searchable directory of gas stations and tire shops with free tire air, including distance, hours, and confidence ratings.

A free daily index tracks credit stress in the AI data-center boom across six layers, from collateral and borrowers to funds and financial plumbing.

A searchable, mapped guide to 814 hot springs across 12 countries, spanning wild pools, onsen, thermal baths, and resorts.

A Korean one-person web hub brings together maps of neighborhood businesses, calculators, browser games, simulations, travel planning, and study tools.

A macOS English-dictation app combining media playback, sentence looping, a .docx writing pane, answer checking, phonetic word lookup, and a mistake list.

Cost guides and calculators present price ranges alongside source and date information, with a tool for comparing a quote against a state range.

A tool for getting a property report from a UK address or map pin, covering public records, value estimates, risks and nearby features.

A free browser game for painting and decorating 3D ceramic puppets, then saving them or exporting PNG portraits.

A simulation workbench for editing JavaScript rules, changing parameters, and comparing model runs.

A free Australian calculator compares the five-year cost of buying the same car with a novated lease, a car loan, or cash.

A free Spanish-language set of browser tools to validate electronic invoices, check compliance deadlines, and generate Verifactu QR codes.

A conversational woodworking planner that produces a 3D model, cut sheet, drawings, board-layout diagrams, and build steps for a custom piece.

A lookup tool for historical on-time performance across U.S. domestic flights, routes, airlines, and airports, with sample sizes shown alongside the figures.

A New York City service matching dog owners with neighbors who can share care on an agreed schedule.

An interactive six-cylinder engine model explains parts and systems, with a described option to connect vehicle diagnostics and readings.

A browser-based tool for cropping a photo or signature to the exact dimensions and file-size limits required by an online form.

Ardoise is a Mac scratchpad that opens over the current app for quick notes, live calculations, clipboard history, and file access.

Punte lets you view and control a Mac from an iPhone, iPad, another Mac, Windows, or Android device over your local network or VPN.

Qafila is shop-accounting software presented for offline use, with sales, inventory, customer debts, and daily bookkeeping in Dari, Pashto, English, and Arabic.

Hallodex says its scanner reads a costume photo and turns the person into an illustrated card with a name, stats, moves, and lore.

A Debian-based operating system for older PCs, with a browser demo, a compatibility checker, and a free download for individuals.

A still-testing app for recording calvings, weights and pregnancy results, then using those records to prepare register submissions and compare animals.

A telescope-and-camera calculator estimates NINA half-flux radius and sampling for equipment pairings, with seeing forecasts for a chosen location.

A shared-stable app for coordinating horse turnout, feeding, medicine, and daily turns.

A gift calculator for weddings and other celebrations that says it uses the event, venue and guest context to suggest an amount.

A free, open-source amateur-radio client for JS8 and JTTY, with a faster 64 WPM mode, mesh relaying, and station-monitoring features.

A photo-workflow platform for event photographers: guests use a selfie to find the photos they appear in, while studios manage event uploads and delivery.

A searchable directory of software alternatives, with dated labels showing whether generative AI is absent, optional, or built in.

A set of 18 free calculators for shipping, packaging, pallets, transport, and related documents.

Reservation and park-management software for seasonal campgrounds with up to 40 sites, offered for a flat $299 per season.

A family QR-code pretend restaurant where children order snacks and pay with affection, exercise, or age-matched puzzles instead of money.

A photographer’s free macOS app for sorting, editing, and exporting RAW photos.

Field software for restoration teams that records job documentation, computes psychrometric readings, and tracks equipment.

A free food reference that organizes packaged-product records, labeling rules, recalls, and prices into country editions.

A 3D frame-design tool for custom motorcycles, paired with a gallery and pieces by mechanics and riders.

Swar presents a gaze-controlled communication app that turns a topic selection into suggested full sentences and spoken output.

Tobira gathers homes listed by Japanese municipal akiya banks for overseas buyers, with per-house purchase-cost estimates and saved searches.

A lookup for baseball bat rules by league and age, with sources, check dates and matching bats.

Zoetrope presents three browser-based tools for making pixel art, animating it, and turning video or images into GIFs.

A collection of 3D-printing calculators and references, with tools for estimating print costs, inspecting files, and checking printer settings.

A sourced guide to which banks, payment services, and state agencies accept virtual mailbox addresses—and for which address fields.

A free, browser-based planner fits family Advent activities to dates, children’s ages, schedules, budgets, and preferences, then prepares printable cards, a fridge calendar, and a supplies list.

A Spanish-language guide compares agricultural technologies for farms across Argentina, Uruguay, Paraguay, Brazil, Chile, and Bolivia.

A browser-based checker previews videos and images against safe zones across 18 TikTok, Instagram, Facebook, and YouTube placements.

An anatomy note-taking app combines typing, drawing, lecture slides, and 3D anatomy in one workspace.

A Chrome side-panel tool for trucking dispatchers that evaluates a freight load against the carrier’s fleet and suggests whether to take it, which truck to assign, and a minimum acceptable rate.

A tool for drawing audiovisual rooms, placing equipment, checking cable compatibility, and exporting technical plans.

A US baby-name lookup and trend site built from Social Security birth records, with filters, state and year lists, and tools for choosing names together.

BeamMapper is Windows software for mapping video, shaders, images, and live visuals onto real surfaces using a projector and, optionally, a webcam.

A laser and hobby CNC reference that describes converting power and speed settings between machines, with sources, formulas, and material-safety guidance.

A browser-based tool that reads Rekordbox, Traktor, or VirtualDJ libraries to make shareable DJ-year cards, pre-gig checks, and crate-based set suggestions.

A Korean-language site for comparing local fees to dispose of bulky household items across South Korea.

It offers boat buyers a plain-English breakdown of marine survey findings, with action categories and estimated repair costs.

Yamen Abbas’s site brings together interactive tools for orthopaedic education and nerve research.

An interactive trainer and free course for learning three-cushion billiards shot selection.

An in-browser readiness tool that combines system-suitability results, pressure, and maintenance history into a pre-run status and a list of checks.

A free trip checker that combines passport details, destinations and dates to show travelers entry requirements and actions to take.

CMRflow lets carriers and forwarders prepare CMR consignment notes in a browser using saved routes, then download or send the resulting PDF.

A rail-procurement intelligence tool pairing agency bids with fleet data, relevance scores and projected overhaul timing.

CrisisCompass presents a free symptom-tracking app for people living with sickle cell disease, built to help them log daily experiences and bring a clearer history to appointments.

A desktop note-taking app for university students that organizes course materials by class session, adds annotations to PDFs, and makes review quizzes.

Daisy and Daisy Sans are themes for the NetNewsWire feed reader, presented as a way to make mixed feeds easier to scan.

A browser-based planner for laying out lots on a survey, plat, or satellite view, with acreage and export options.

Drobee presents autonomous drones for palm and orchard care, combining plantation mapping, per-palm crop and health estimates, pollination, and targeted treatment.

A desktop app for chapter treasurers that presents a workflow for matching dues, tracking budgets, preparing board reports, and handing records to a successor.

Spanish-language software for calculating and pre-dimensioning steel industrial buildings, with material lists, plans, and 3D and BIM exports.

Exitproof checks how Word documents and templates change when converted with LibreOffice, Collabora Online, or ONLYOFFICE.

A searchable reference to subscription cancellation methods, costs, and provider pages, with review dates for each service.

A working farmer compares home hydroponic and aeroponic gardens by yearly cost, with a calculator for power rates and replanting habits.

A free, accountless planner lets campers lay out vehicles, tents, canopies and RVs to scale before arriving at a festival or campsite.

The Little Lot searches for land suited to tiny homes and off-grid builds, assessing factors such as zoning, flood risk, and lot size.

A browser-based sound comparison lets mechanical-keyboard shoppers try switch types before choosing a keyboard or switches to buy.

A browser-based Betaflight tool that analyzes Blackbox flight logs and suggests Actual Rates settings with a CLI block.

A browser tool converts freediving computer files into transparent overlays showing dive data, ready to place over video.

The site presents a free phone app for photographing crop damage and getting a diagnosis and treatment guidance offline, in Cebuano, Filipino, or English.

A document checker for U.S. customs brokers that compares commercial invoices, packing lists, and bills of lading, then prepares verified shipment data for export.

A browser-based converter for images, audio, video, documents, email exports, subtitles, and comic archives.

An interactive map for finding real-world filming locations across the United States and planning visits to them.

Sameplace presents a local-first workspace where tasks and calendar events stay connected to the emails behind them.

Gradiera turns two or three phones into a private, multi-camera school-sports broadcast that families can watch in a browser.

Haulflare presents a lead-intelligence service for commercial truck insurance brokers, built around public FMCSA filings and carrier deadlines.

Hollow turns the MacBook notch—or a software-drawn notch on other Macs—into a live status area for AI agents, music, meetings, battery, and message badges.

A browser-based till for trading-card sellers, with QR price tags, scan-to-cart checkout, buylist offers, and profit tracking.

A free desktop app for indoor cycling that connects to smart trainers, runs structured ERG workouts, and analyzes ride data.

A shoe-size converter built around the charts published by 20 shoe brands.

Hotfire is procedure software for test, build, and inspection teams, with readings checked against limits and steps signed as work is performed.

A site-planning tool that turns a KMZ or KML boundary into layered DXF and GeoPackage exports with topography and other mapped data.

Inish presents a county-organized directory of public saunas in Ireland, alongside a waitlist for its own wool felt sauna hats.

This Japanese-language tool estimates how much income and resident tax may be reduced by claiming dental expenses as a medical-expense deduction.

Kadans is a free Mac app that translates Zwift’s menus, workouts, and on-screen instructions into Turkish while you ride.

Kitchen Concordance describes a tool for photographing cookbook index pages and searching across the books you own.

A browser-based tool helps riders match music to a horse’s gait tempo, time a freestyle, and print a floor plan and cue sheet.

A free dashboard of lake levels and river flows, with readings compared against pool levels, historical norms, and recent changes.

Lake Outlook shows current levels and 30-day outlooks for lakes and reservoirs, with a likely range based on official gauge data.

Lampstand describes a sermon-writing and preaching tool that places production cues in a manuscript and connects it to ProPresenter.

A homeowner’s guide to water-damage risks, with a builder for planning leak and temperature sensors and Home Assistant automations.

A browser-based toolkit for splitting rosters, picking names, and drawing teams from sports leagues, with results designed to be reproducible.

A browser-based workbench for previewing ad copy across platform placements, checking limits and selected policy rules, and exporting campaigns.

LoopForge FX offers downloadable VFX overlays, transitions and background loops for popular video-editing apps, with no sign-up required.

A browser-based photo editor for grading light, applying film looks, and exporting full-resolution PNGs.

A boutique price-history database covering 148 luxury bags and jewellery pieces from 14 brands, with prices organized by country and date.

Mass Rename maps a CSV or Excel list onto local files, then returns a renamed ZIP and a report of unmatched rows.

A free collection of calculators for planning home projects, from paint and flooring to curtains, garden materials, and picture frames.

A free lookup and calculator site for property-tax rates across 10,343 jurisdictions in 11 U.S. states.

An interactive demo for coordinating search-and-rescue activity, with a radar-style map for drone and aircraft tracks, clues, search sectors, and replay.

A competition-planning workflow for kendo clubs, covering team entry, pools, judging and bracket draws.

A free browser-based checklist for tracking camo unlocks across 33 MW4 weapons.

A Windows application for nautical almanac data, star finding, sextant sight reduction, position fixes, and route calculations—designed to work offline.

A desktop bill organizer that ranks bills by urgency and deadline, without connecting to a bank account.

A browser-based dart scorer uses a webcam to detect throws, call scores, and run games including X01, Cricket, and practice modes.

A planned Shopify service for stores shipping made-to-order and big-ticket goods, with a branded order page for timelines, updates, delivery prep, and help.

A browser-based Pokémon card collection tool that describes scanning binder pages, tracking sets, and showing card values in euros.

A browser-based granular audio instrument for recording or importing sounds, shaping them with a control ring, and exporting WAV files.

A free browser-based tool resizes photos, signatures, and supporting documents for PAN applications.

A Japanese creative circle presents its original board games, bilingual rulebooks, and a browser-based tool for making and printing card-game mockups.

A Korean-language generator for restaurant origin signs, menu copy, storage labels, and delivery stickers.

A location-aware guide for finding nearby historic places, choosing a building, and exploring its story.

A set of free federal wage-and-hour calculators covers blended overtime rates, shift differentials, and FMLA eligibility.

A free, read-only check compares the trading history returned for a public Hyperliquid address across fills, TWAP slices, and funding data.

A searchable reference compares cited plant-safety information across 23 kinds of animals.

A searchable directory of practice rooms, studios, school rooms, and other places where you can play an acoustic piano.

Poké Card Shops is a searchable directory for finding Pokémon card stores across the United States.

A prep-forecasting tool for sandwich and sub shops that turns sales, weather, and calendar data into nightly bread and other prep plans.

A browser-based calculator for hydraulic and design checks on UK water and wastewater pumping stations.

A free web app for machine knitters that turns drawings and patterns into bed charts, needle notation, and punch-card templates.

A free, no-registration generator for turning links, Wi-Fi details, or text into styled QR codes and printable objects.

A free, browser-based tool that matches a pasted App Store rejection to an explanation, a likely next step, and related developer cases.

A guided tool for Florida mental-health clinicians handling requests for minor patients’ records, with legal explanations and draft response letters.

A payment monitor that announces QR and Bre-B payments received through Bancolombia or Nequi, while tracking a daily total and payment history.

An app for tracking jiu-jitsu open-mat matches, individual ratings, gym rankings, and nearby rolls.

A browsable directory of chess clubs, youth groups, open meetings and tournaments across the Ruhr.

SAVEPOINT organizes the work of shipping an indie game into milestones, dependencies, and ranked next steps.

An interactive Bible study workspace for tracing passages, people, places, themes, and journeys.

A Mac and Windows app that lets you search your own screenshots, images, and design files by description or example image.

Seamrun presents sea-temperature maps for offshore anglers, with satellite-derived breaks and an app designed to work beyond cell coverage.