Useful Tools

A free 3D browser simulator for learning left-hand traffic in a fictional coastal town.

Photograph an item and Pricebird estimates its resale range, then writes marketplace-specific titles, descriptions, and keywords.

A Nigerian photo-restoration service turns phone photographs of faded, cracked, or water-damaged family prints into repairable full-resolution files.

Afinora combines a tuner, metronome, neck-aware scales and chords, recording tools, and instrument-specific technique training for ten string instruments.

AstraTune lets singers and rappers correct pitch, build harmonies, shape melodies, and export vocal projects from a browser-based studio.

A free bilingual paperwork tool that translates English Word documents into Burmese while preserving their forms, tables, blanks, and signature fields.

An interactive Mauritius transit map covering routes, stops, fares, stations, and door-to-door bus journeys.

A Spanish EV-charging map with more than 20,000 listed points, community-reported status, route planning, and Android Auto and CarPlay support.

An iPhone tool that estimates a cow’s live weight, condition, and market value from a photograph.

A browser-based beef safety checker that scans package labels and searches USDA import refusals, recalls, establishments, and country data.

A Mac notebook that turns named reading highlights into flashcards, recall sessions, quizzes, and exams.

A macOS utility keeps windows, menus, full-screen video, and the pointer inside the intact portion of a cracked display.

An independent visual schedule of Falklands cruise-ship calls, landing sites, passenger capacity, and days when ships overlap.

A browser-based tool that encrypts private notes into portable .foldnote files.

A free beta tool that turns veterans’ separation timelines, benefits, claims, education, housing, and paperwork into plain-language guidance.

A Japanese-language 3D planning tool for arranging artworks, objects, rooms, lighting, flooring, walls, and suspended installations.

A browser-based 3D exhibition planner for arranging rooms, artworks, lighting, dimensions, and installation drawings.

An iPhone app that photographs lawn damage, asks follow-up questions, and produces a ranked diagnosis with visible uncertainty.

A collection of image, PDF, and file utilities designed to run entirely in the browser without uploading files.

Jannoo is a native Mac kanban app whose boards are Markdown files and JSON on your own disk.

A no-login tool that hears both sides of a minor disagreement and delivers a fast, non-binding ruling before the food run.

A Portuguese-language sales dashboard for optical shops that models lens thickness, weight, pricing, and fit using the customer’s prescription and the actual frame.

A self-hosted toolkit for short links, link trees, webrings, guestbooks, polls, counters, status pills, and other retro web widgets.

An open-source browser for finding, filtering, comparing, and studying charts from the maimai arcade rhythm game.

A native macOS app for coaches to capture, tag, annotate, analyze, and export game video from one workspace.

A browser-local converter turns bank statement PDFs into checkable CSV spreadsheets without uploading the document.

A free browser-based transcription tool that says recordings stay on the user's computer, with no installation, account, upload, or export paywall.

A macOS app that finds duplicate photos and videos across folders and drives, then verifies matches byte for byte before suggesting what to remove.

A practical reference for industrial I/O, covering sensors, PLC inputs, current loops, wiring faults, and small diagnostic calculators.

A five-round browser game asks players to resize silhouettes until they match the real dimensions of animals, vehicles, space objects, and geographic shapes.

An open-data exploration of how marathon pacing, weather, courses, age groups, and checkpoint times shape race outcomes.

Splitly scans receipts, assigns dishes and taxes, calculates shared expenses, and settles the result through UPI.

A free collection of structural and geotechnical calculators that produces traceable calculation sheets rather than unexplained answers.

A browser-based assembly tool that turns LEGO Technic-compatible part designs into tolerance-aware 3D-printable STL files.

A Chrome extension replaces YouTube Studio’s raw view counts with engaged views, the older 30-second metric, across its analytics screens.

A browser-based vector tracing studio that turns images and short clips into editable SVG paths on your own device.

A drafting and simulation bench for designing, trimming, and test-flying paper, balsa, and foam gliders.

A guided audio interviewer asks one question at a time, follows named people and places, and turns spoken memories into downloadable stories or a life manuscript.

A baby tracker for feeds, sleep, diapers, medicines, solids, allergens, and the long transition from newborn life to first foods.

A private reading service that examines a manuscript, preprint, or proposal and identifies the research decisions, evidence, uncertainties, and possible next moves around it.

Browser software that gives each film roll one job number, connects scanner exports to orders, and keeps customer scan pages from expiring.

A marketplace-intelligence tool that aggregates online businesses for sale and compares their asking prices with historical listings and closed-sale multiples.

An iPhone captioning app designed for hard-of-hearing readers following live conversation around a table.

A free archive of 99,134 public-domain hymns, carols, folk tunes, chorales, and classical scores, with playback, printing, and key changes.

An iPad pixel-art studio for drawing, animating, scripting, and exporting sprites in formats used by game-development pipelines.

A free, no-account tool that matches the animals you want to see with countries, travel months, and suggested trips.

A sourced solar calculator estimates panel output, household value, export income, and whether a battery makes financial sense.

An offline-first iPhone scanner that turns pages and long receipts into searchable, editable documents.

A browser-based voice training tool for femboy, feminine, transfeminine, and other softer-voice practice.

A browser physics sandbox where users arrange shapes, materials, gravity, portals, growth rules, and sound to create bouncing visual experiments.

A French-language textile toolkit that calculates quilt pieces, fabric requirements, backing, batting, margins, and printable cutting plans.

A menu-bar Mac app that rewrites selected text locally, without an account or an internet connection.

An open-source daycare communication app for notices, daily photos, documents, and family–educator communication.

A Chrome extension that overlays Search Console clicks, impressions, CTR, position, trends, and queries on the current page.

A free home-services quote checker compares bids with material prices, local trade wages, labor-time ranges, and stated assumptions.

An open-source Windows tool that converts YouTube links or local audio files into playable Clone Hero song folders.

A free browser-based validator for pain.001 XML files, checking ISO 20022 structure and selected EPC SEPA rules.

A free, no-sign-up toolkit for independent mainland China travel, with bilingual phrase cards, entry checks, ticket guidance, payment advice, and an offline arrival checklist.

Windows software for land surveyors and civil firms that reads, checks, and calculates project documents locally, including when field crews are offline.

An iPhone and iPad app for organizing clinical photographs by patient and body part, then exporting only the images that have been checked.

This open-source menu bar utility lets Mac users see which apps are making sound, adjust or mute them individually, and pause supported players.

A browser-based toolkit for diagnosing and repairing ebook metadata, covers, series information, and damaged text.

An Amsterdam-based suite of digital tools for film communities, production planning, and actor rehearsal.

A shared tennis RSVP board that tells a group when enough players have answered to make a singles or doubles match.

A Spanish data guide tracking electricity, fuel, gas, Euríbor, inflation, benefits, and other figures that affect household finances.

A local browser-based workflow for testing, comparing, and reporting the credibility of clustering results.

A DRM-free digital bookshelf that cleans, catalogs, converts, and delivers ebook collections to Kindle and Onyx Boox readers.

A practical reference library for labeling racks, cables, power, cooling systems, and infrastructure records.

A browser-based tool that replaces secrets, identifiers, and selected personal data with consistent tokens before logs or documents are shared with AI.

A Windows software KVM that lets one keyboard and mouse move between two PCs according to the physical layout of their screens.

An offline-friendly personal finance ledger for recording income, spending, budgets, loans, and shared trips in English or नेपाली.

A free aquarium calculator that turns tank volume, pH, and carbonate hardness into an estimated CO2 level and a cautious starting bubble rate.

Greatbook is an offline-first gradebook for teachers, with reports, standards, trends, rosters, and class records kept in files the teacher owns.

An iPhone mileage log that compares its recorded journeys with the phone's own motion history to flag drives it may have missed.

An iPhone and Apple Watch weather app that turns live forecasts into hand-drawn scenes, widgets, alerts, and plain-language advice.

A downloadable audio plugin that combines drive, tape, boom, resampling, and compression for shaping drums and other tracks.

A local photo-effects tool that applies film grain, light leaks, vintage tones, vignettes, and 21 camera-inspired profiles.

A Taiwanese database that tracks the daily holdings of 21 active ETFs and shows which funds are buying which stocks.

Un generador gratuito convierte enlaces, textos o datos de Wi-Fi en códigos QR personalizables y archivos listos para imprimir en 3D.

An experimental headphone-based listening tool that layers seven pairs of stereo tones around a fixed 8 Hz difference.

A searchable catalog of federal software, authorization records, agencies, vendors, and government purchasing paths.

A small Mac app that places a duck on your screen to manage water reminders, eye-rest breaks, daily boundaries, and quick timers.

A trip-comparison tool that weighs flying against driving a Tesla by cost, door-to-door time, stress, and carbon.

A cozy focus app where timed work sessions furnish a shared pixel hotel and earn an in-app currency called Focusines.

FodScale checks recipes against published FODMAP portion limits and labels each serving green, yellow, or red.

A native macOS utility for flattening, organizing, merging, splitting, and extracting files from messy folders.

A crochet-generation tool that turns a photo, screenshot, or drawing into a size- and yarn-specific pattern.

A minimalist browser writing app with an ivory manuscript page, no toolbar, and a one-time $19 purchase.

A live directory and route planner for student bars across Denmark, showing which venues are open and how to visit several in one evening.

An offline-first volleyball scoring and statistics app for school and club programs.

A reading-record app for saving memorable passages alongside the books they came from.

A WhatsApp bot that handles reminders, polls, place lookups, image requests, task lists, and shared expenses inside a group chat.

Geras is a Russian-language desktop workspace where teams discuss tasks, let AI flag contradictions, and preserve agreed decisions in the context of future conversations.

A calm, privacy-focused desktop browser that combines tracker blocking, split view, media playback, family controls, and a curated way to verify important websites.

A macOS utility uses the MacBook’s hinge-angle sensor to fold the live desktop as the lid closes.

An early-access nutrition app that turns calorie and protein tracking into a game of captains, quests, grocery raids, and competing crews.

A native macOS monitor for CPU, GPU, memory, network, temperature, fans, DNS, sleep prevention, and selective cleanup.

A Korean train-seat alert tool that watches selected KTX and other rail journeys for openings.

An independent companion for the Steam game How to Fish, combining a creature and lure database with collection tracking, route planning, timers, achievement help, and a local save inspector.

Eine App, über die Menschen Fahrzeughalter per Kennzeichen erreichen können, etwa bei eingeschaltetem Licht, einer Panne oder einer blockierten Ausfahrt.

A Mac utility that bends, waves, or fans the desktop as you close or open your laptop.

An iPhone app that turns audio from videos, livestreams, podcasts, lectures, and meetings into live translated subtitles floating over any app.

Hukaia turns a destination, travel preferences, dates, and budget into a day-by-day itinerary with routes, hotels, restaurants, timing, and costs.

A browser-based photo editor for cropping, compressing, annotating, batch-editing, and exporting images without an account or default upload.

An interactive map that compares historical aerial photographs with present-day Japan to suggest walking routes, local sights, and overlooked places.

A browser-encrypted password manager for logins, 2FA codes, passkeys, secure sharing, breach monitoring, and sensitive documents.

An interactive Hungarian calendar compares frost, soil, rainfall, watering, and planting conditions across 125 years of measurements around Hajdúszoboszló.

An iPhone camera app turns a sentence or a handful of reference photos into a camera with its own photographic character.

A browsable index of water temperature, wind, air temperature, and forecasts for 253 lakes worldwide.

A Shenzhen Technology University dashboard gathers campus links, class schedules, maps, notices, calendars, and browser-local student utilities in one place.

A $1.99 Mac utility that adds a screen-bending animation when you close, open, sleep, or wake your laptop.

A subscription service tracks new and pending liquor-license activity from state public records.

A private macOS diagnostics workspace that connects storage, performance, battery, applications, network, and security signals.

A Portuguese-language app that cross-checks flights, hotels, itineraries, checklists, and receipts to find holes in an already-booked trip.

A firefighter hydraulics calculator that estimates smooth-bore master-stream performance from monitor pressure, equipment choices, and tip diameter.

Mesava matches restaurant dishes against a diner’s allergies and dietary restrictions, explaining whether each item has no flags, may contain a concern, or contains something to avoid.

A focused collection of free steel-fabrication calculators, with a paid gate designer being built around cut lists, drawings, hardware checks, and DXF export.

An interactive cooking tool that lets you combine ingredients, set heat and time, and preview what may happen before turning on the stove.

A browser-based family-tree builder that turns uploaded photos into linked, printable family diagrams.

A clinician-and-patient navigator compares genetic and antibody panels by clinical picture, gene, antibody, coverage, eligibility, and cost.

A Mac app that turns one plain Markdown file into dated meeting notes and a side list of unresolved todos, questions, decisions, and deadlines.

OOBSecret creates disposable links for sharing passwords, API keys, and tokens outside the email, ticket, or chat thread.

A local-first Mac video studio that transcribes footage, names ideas, groups repeated takes, and helps turn selected moments into reviewable cuts and Shorts.

A plagiarism-checking tool that searches selected sentences in a submission and shows matching sources beside the student's text.

A planned Windows-and-Mac app for dictation, transcription, recording, notes, translation, focus work, and other small jobs performed on your own machine.

A habit tracker that turns workouts, runs, reading, and other real-world tasks into power for a party of dungeon-crawling RPG characters.

A Windows clipboard manager that stores copied text and applies offline actions such as formatting, JSON cleanup, expression evaluation, and email extraction.

An Android app turns a photograph of a paper shotgun target into pellet counts, point-of-impact measurements, spread, and pattern analysis.

A free browser toolkit that reduces and re-encodes images as binary, ASCII art, color grids, palettes, Base64, and compressed files.

A free collection of 35 U.S. cost calculators covering home projects, energy, driving, work, and small-business decisions.

A webcam-powered synthesizer that maps hand positions and gestures to chords, voicings, drums, volume, and filter movement.

An independent audio studio presenting Governor, an instrument for turning recorded sound into texture, movement, and unfamiliar sonic environments.

A focused toolkit for World of Warcraft raiders, combining Warcraft Logs audits, in-game addons, and Discord coordination.

A free Korean-language browser tool that extracts dates, store names, and totals from up to 30 receipt images and exports the results to Excel.

A $9 meditation app that matches sleep practices to the reason someone is lying awake.

Describe a Minecraft structure and Schemsmith generates, renders, reviews, revises, and exports it as a .schem or .litematic file.

A voice-enabled scoring app that turns a phone, smartwatch or Bluetooth controller into a live racket-sports scoreboard.

A local Mac inbox for screenshots and throwaway files, with a Chrome capture extension that sends tabs, selections, pages, and recordings into it.

A free Windows screenshot utility that annotates captures and uploads them to your own server over SFTP.

A free planning calculator that estimates septic tank capacity and drainfield area from bedrooms, occupants, jurisdiction, and soil perc rate.

A macOS Betaflight tool that measures an FPV quad’s airframe and previews tune changes before the next flight.

A circle-skirt calculator checks which skirt shapes and panel counts will fit the fabric you already own.

A free, open-source Windows program that detects a shot-timer’s start signal and burns shot numbers, times, splits, and hit factor onto range footage.

A free macOS utility that compresses nine image formats by dropping files onto an Apple Silicon window.

A browser-based music and video player that slows songs without changing pitch, loops difficult sections, syncs rehearsal footage, and counts beats.

A macOS utility that mounts an Android phone as a Finder volume for file transfers, terminal commands, and apps such as rsync or Photoshop.

Signalarm turns HTTP requests from monitoring systems, scripts, sensors, and other services into scheduled iPhone alarms.

An iPhone app that lets friends enforce personal screen-time limits with a 60-second burst of custom sounds.

Snowmed Taiwan 提供八個免費、免註冊的滑雪運動醫學工具，涵蓋行前訓練、雪場選擇、受傷分流、腦震盪與回歸雪場評估。

An accessibility-minded simulator estimates how wages, hours, SNAP, and cash assistance interact for households in Michigan and New York.

A set of field calculators for one-pipe steam venting, hydronic reset curves, and injection mixing.

A child-focused practice tool for learning laptop pointing and typing skills in short, unscored daily sessions.

A multilingual food-label and meal-scanning tool that turns sugar and carbohydrate readings into plain-language, visual results.

A route-management app for vending and amusement operators that handles collections, commission splits, service calls, parts, vehicles, and legacy records.

A 13-game arcade where small head movements steer flying, bouncing, racing, and puzzle games through the camera.

An AI-assisted tool for identifying thrift, garage-sale, and estate-sale finds and comparing their tags with recent sold prices.

A Japanese automation service builds small, custom workflow tools around the way a local business already operates.

TellStaff converts a short spoken procedure into numbered steps, a checklist, common mistakes, and a staff quiz.

An interactive atlas of human transcription factors with reported small-molecule binding below 1 µM.

A broad file-conversion toolkit for images, audio, documents, spreadsheets, archives, encoding, and everyday text utilities.

A browser-based collection of 45 free project-management tools for estimates, schedules, registers, risk, budgets, and status reports.

A private collection of free tools, historical references, essays, maps, and printable material built from old books and current research.

A timber-frame design tool that turns user-entered dimensions into an exploded frame with piece-by-piece joinery details.

Tivunea generates individually adjustable audio signals for people with tinnitus, directly in the browser and without an account.

A free collection of in-browser tools for trimming, joining, converting, recording, and extracting audio and video.

A planning tool for the August 2, 2027 total solar eclipse that ranks viewing bases by climate, totality duration, and backup flexibility.

A browser-local photo editor for removing small spots, touching frame edges, lifting dark areas, and straightening images one tap at a time.

A macOS utility that follows a MacBook’s hinge angle, folding, blurring, dimming, or shadowing the live desktop as the lid closes.

A Swedish-English expense splitter that reads receipts, handles multiple currencies, works offline, and minimizes the number of transfers needed to settle a group’s spending.

A Windows IPTV player that uses mpv to decode difficult broadcast formats, with catch-up playback, a nine-day guide, subtitles, and living-room controls.

Upload a Minecraft Java world, select and edit a build, then order a multicolour 3D print or download print-ready files.

A free, open-source calendar that combines Google, Apple, and Microsoft calendars with undated tasks stored on your device.

A Windows and Mac toolkit for scanning client networks, organizing equipment by room, testing Wi-Fi and connectivity, and producing branded PDF reports.

A phone-based tool that crops identity-document images, adds a recipient-and-date watermark, and creates an optionally AES-256-encrypted PDF.

A voice-first iPhone screenwriting tool that turns spoken dialogue and action into screenplay-formatted pages.

A planned desktop app for finding old accounts, deleting your posts and reactions, closing accounts, and preparing legal erasure requests.

Earmuffs presents a phone-privacy tool for blocking microphone access, filtering tracker traffic, and recording what the operating system can actually verify.

An upcoming iOS family camera designed to help parents appear in their own photos, using rapid bursts and automatic best-shot selection.

A Spanish-language collection of image, PDF, audio, video, and data converters that process files locally in the browser.

A browser tool that estimates whether a downloadable language model will fit on your laptop, desktop, or Mac.

A browser-based suite of 81 electrical engineering calculators covering protection, cables, earthing, transformers, power quality, backup power, renewables, and facilities work.

A planning tool for yoga teachers that maps pose sequences to the peaks, breaks, returns, and silences in a chosen track.

A browser-based captioning tool for Telugu, Hindi, Tamil, Kannada and other Indian-language reels, including Roman-script forms such as Telugish and Hinglish.

A cabin-bag checker compares your packed dimensions and weight with the allowance rules for Ryanair, Wizz Air, easyJet and Vueling.

A shareable receipt generator that converts music albums into deliberately ridiculous hotel bills, pricing each song by its duration.

A free browser photo booth that takes four timed pictures and turns them into downloadable photo strips or grids.

Braele guides breathing patterns through a living orb, voice prompts, haptics, and an offline iPhone app, with a browser timer available without a download.

A browser-based simulator for playing Battle Spirits card matches with custom decks, random matchmaking, or an AI opponent.

An Arabic-language SketchUp extension that carries furniture and kitchen projects from parametric cabinet design to DXF cutting files, labels, production reports, and quotes.

A free iPhone app that shows the weather where loved ones are and lets you send one-tap reminders about umbrellas, coats, or hydration.

A Bluetooth sensor system that tracks concrete temperature and presents estimated strength readings for construction decisions.

A custom map maker that turns cities, lakes, and landscapes into files for printing, laser cutting, CNC work, and 3D printing.

A browser-based event camera lets guests capture photos, short videos, and voice notes without seeing the results until a shared album develops later.

A browser game turns neighborhood walking and visits to participating shops into leaves, acorns, and a collectible personal forest.

A Gmail-connected service that drafts and sends personal birthday and anniversary emails on schedule.

A privacy-focused image-matching service for checking whether one dating photo appears across public social profiles and news pages.

A no-account web tool that converts names, numbers, and messages into 3D-printable STL or 3MF files.

A visual tracker of 2026 Formula 1 car upgrades, organized by component, team, race, and FIA submission.

A private photo game that turns family pictures into a gentle sequence of recognition, recollection, storytelling, and later recall.

A fishing decision tool that turns marine forecasts into a plain-English go, go-small, or stay-home verdict.

A quoting tool for trades that turns a customer’s address into a visual preview of the proposed work, alongside a signable price and parts list.

A game-design workspace for GDDs, characters, dialogue, branching scenes, event graphs, drawings, and media, stored on the creator’s own device.