Useful Tools

A chess improvement tool turns your public chess.com games into playable lessons built around recurring blunders and opening habits.

A Croatian-language calculator for combining annual leave, public holidays, weekends, work schedules, and destination calendars into longer breaks.

A free macOS menu bar app that maps five GPU effects to the live angle of a MacBook lid.

A deadline tracker for Maine real-estate agents that turns signed contract dates into named reminders and schedules.

An iPhone and iPad music app that turns drawn lines, taps, colours, and photos into looping musical arrangements.

A free, open-source CNC CAM tool that turns drawings and imported files into simulated, exportable G-code.

Veconvert traces images into SVG, DXF, G-code, EPS, PDF, and STL files for cutting, printing, embroidery, and CNC workflows.

A tool for industrial-surplus resellers that photographs nameplates, identifies parts against a catalogue, prices them from completed sales, and drafts eBay listings.

A French reference tool comparing official watch-service prices with observed quotes from independent horologists.

A free collection of 15 interactive tools, mini-games, focus aids, and brain breaks for ADHD brains.

A Safari tool for iPhone and iPad that quiets YouTube and Instagram without blocking them outright.

A Japanese site counts YouTube game streams from VTubers and gaming creators, then ranks which games are gaining attention.

A Thai-focused chat and calling app that translates messages, voice notes, and calls while preserving ambiguity and conversational tone.

A free browser-based rhythm trainer that guides users from listening to tapping, timing tests, and progress reports.

A free browser-based 3D flight simulator with nine aircraft, weather conditions, VR modes, flight lessons, landing challenges, and combat.

A free, no-account tool for testing sales pitches, company claims, and promotional promises against their own evidence and disclosures.

A free browser pickleball game with CPU opponents, doubles, tournament play, and same-keyboard two-player matches.

A live-captioning tool that runs on a room’s existing laptop while attendees read translations on their phones.

Gallra turns quick, untitled thoughts into self-organizing categories, recurring idea chains, and four different ways to read the pile.

A Spanish-language catalog of open-source investigation tools, organized by the clue you start with rather than by conventional categories.

A searchable monitor of US reporting companies with missed filings, unreliable accounts, or auditor changes.

划懂 explains selected text beside whatever you are reading, using a keyboard shortcut, browser session, or your own model API key.

An iPhone app that turns photos of football shirts into collection records, estimated values, catalog pages, and potential trades.

A browser-based toolkit for compressing, editing, converting, translating, and assembling files without uploading them.

A retailer-neutral tool that sizes a home battery, checks an installer’s savings claim, and tracks its payback.

A free, no-account browser workbench for passwords, images, colour, data, and text.

A research and outreach tool for IT support firms and MSPs that audits nearby businesses, cites its findings, and records a stated basis for each contact.

A browser-based editor for making book tier lists whose covers link to books, with hover details and several export formats.

An iPad-first kitchen design tool that turns room measurements into layouts, drawings, cabinet lists, and quotes.

A small Mac utility for changing which apps open file types, categories, or complete saved profiles.

A visual reference for comparing physical card formats in millimetres, inches, print pixels, thickness, corner radius, and sleeve classes.

A delayed-letter service for writing today and choosing when a personal message reaches someone—tomorrow, on a birthday, or decades from now.

A voice-first practice room where managers can rehearse difficult conversations, meet scripted pushback, and leave with a concrete next move.

A browser-based tool converts WhatsApp chat exports into paginated PDFs with Bates numbers, media references, integrity certificates, and reviewed voice-note transcripts.

A browser-based audio tool that retunes files to 432 Hz, 528 Hz, solfeggio tones, or any reference pitch.

A real-data place-discovery map for Wellington, Auckland, Sydney, and Melbourne, with filters for cuisine, dietary needs, opening hours, specials, walking distance, and saved places.

A browser-based calculator estimates EV charging time, cost, and added range from your car, charger, battery level, and electricity price.

Clockwork turns a person’s upcoming day into a timed morning radio show with an AI presenter, weather and calendar details, and a song entrance.

A private browser tool that compares images across four color-vision deficiency views, adjustable severity levels, and multiple simulation methods.

CRATTO is an iPhone app for scanning, cataloging, organizing, and rediscovering vinyl records.

A native macOS color tool that samples pixels, converts them into developer-friendly formats, builds color systems, and syncs palettes with Figma.

An end-to-end encrypted remote-desktop tool for Windows, macOS, Linux, Android, and iOS.

A field tool that turns photographed oilfield tally sheets into reviewed tubing or rod length totals.

A private-beta iPhone tool for saving what worked, what failed, and what changed in everyday situations.

A French-language service that creates customized crisis simulations for small businesses to run with their teams.

A read-only tool for tracing differences between Infor LX subledgers and the CEA ledger.

A mobile resin-printing slicer for iPhone and iPad that exports native files for the Anycubic Photon P1 Max.

A small browser userscript that opens original Fastpic images without the site's popunders, redirects, or advertising wrapper.

A free collection of 18 PDF, image, and data utilities, including compressors, format converters, PDF splitters, and JSON/CSV tools.

A browser-based toolkit for compressing, converting, signing, redacting, and reorganizing PDFs, images, audio, and video.

An invite-only iPhone barcode scanner that identifies the company behind a grocery product and traces its political spending to federal filings.

A local audio-reactive studio that converts music or live input into luminous 3D networks, with controls for motion, colour, geometry, and video capture.

A macOS menu-bar utility keeps the active window clear while Gaussian-blurring everything behind it.

A daily and unlimited football quiz that asks players to identify mystery footballers from progressively revealing clues.

A forthcoming Mac calendar utility that opens the whole month from the menu bar and puts meeting joins directly on event rows.

An iPhone reminder app that turns spoken instructions into time- and location-triggered notifications.

A Google Sheets and Excel add-on that scores rows against plain-English questions so you can sort tickets, leads, reviews, and survey answers.

A browser-based tool that turns uploaded audio or a recorded melody into editable MIDI note events.

An offline sleep-and-training report built from an athlete’s Apple Health export.

An iPhone zakat calculator for multi-currency assets, live gold and silver prices, giving records, and the four Sunni schools of thought.

A local-first tool for importing an Instagram archive, searching its images, organizing Saved posts, and making exportable moodboards.

A browser-based suite for testing keyboards, mice, screens, controllers, audio gear, and webcams.

A sourced comparison database for humanoid robot specifications, prices, capabilities, and delivery status.

Hunch adds plain-English scoring, tagging, and classification formulas to spreadsheet text columns.

A browser-based tool that turns photos or drawings into cross-stitch and single-board bead patterns.

Jataka computes Vedic birth charts, nakshatras, planetary periods, compatibility, Panchang details, and related readings in the browser.

A voice-annotation companion for physical books: read a passage aloud, speak your reaction, and save both together.

A free, registration-free browser room for 11 board, card, and dice games, including chess, shogi, poker, yacht, and liar's dice.

A trucking calculator that tells owner-operators what a broker’s rate leaves after fuel, deadhead, truck costs, and dispatch.

A QR-based system for photographing and finding the contents of storage boxes, shelves, and nested containers.

LakePulse combines USGS water data and Open-Meteo wind forecasts into hourly sailing conditions for lakes and reservoirs across the United States.

An offline desktop app for designing event LED installations in 2D and 3D, routing signal and power, and producing crew-ready documents.

A language-lesson tool that turns a live conversation into corrections, vocabulary notes, and practice drawn from the learner’s own mistakes.

An iPhone video app that converts Log footage, applies creative LUTs and corrections, and exports through the same render graph used for its preview.

A local-first calorie and macro tracker that logs food offline and measures targets from your own weight and intake history.

A free comparison tool that scores dietary supplements from 0 to 100 using label data, evidence, testing transparency, absorption technology, and effective daily price.

A no-account tool that generates hosted tracking pixels and a private activity link for monitoring image requests in emails.

A free browser scoreboard for Brazilian truco, covering paulista, mineiro, and gaúcho variants, with offline play and no account.

A searchable database identifies Japanese knife makers, blade marks, regions, steels, knife types, prices, and care guidance.

A multilingual directory of Japanese restaurant menus, shown beside Japanese text in English, Simplified Chinese, Traditional Chinese, and Korean.

A Spanish-language collection of browser-based utilities, including a privacy-minded QR generator and a Peruvian labor-settlement calculator.

A browser tool turns video into a navigable 3D frame stack, with width, height, and time represented together.

A Windows clipping app that holds the previous minute of gameplay and saves it when you press a hotkey.

A Mac menu-bar utility that gives each app its own volume, equaliser, output device, and call-aware audio behaviour.

A private music-memory shelf for collecting albums, cover art, personal notes, favorite tracks, and the age you were when a record mattered.

An iPhone app for identifying mushrooms offline, logging GPS foraging spots, and navigating back to them without cell service.

A no-install music workstation for arranging layered instruments, recording voice, editing clips, and applying effects in the browser.

A neurodivergent-friendly fitness site combining workout suggestions, running and strength guidance, research-led articles, and a playful tab-finding game.

Nibbld turns food-delivery screenshots into a spending total, then uses streaks, savings goals, and app blocking to interrupt the next order.

A free macOS and Linux desktop app guides ZWO Seestar S30 Pro users from stacked captures to edited, shareable images.

An open-source browser-privacy demo that shows your fingerprint and tests a locally running anti-fingerprinting approach.

A free, shared scoreboard for Okey 101, Romme, and Rummikub that syncs scores across players’ phones.

An Android launcher that puts apps on a thumb-spinnable orbit, with customizable pages, widgets, themes, and an optional assistant bar.

A short daily stretching game that uses your phone’s camera position and body movement to steer an otter through kelp.

A browser-based PDF workspace for editing, merging, splitting, signing, OCR, conversion, and more without uploading files.

Photograph a printed page and OutloudReader translates it into your study language, reads it aloud, and highlights each spoken word.

Um overlay planejado para iRacing que aprende pontos de frenagem com os carros à frente e transmite avisos em português do Brasil.

Pep Rally lets people try or buy small, task-specific apps that turn their own information into plans, study systems, decisions, and organized next steps.

PicOrder numbers and rearranges photo batches so they remain understandable when messaging apps scramble their order.

An Albanian-language document platform for newcomers in Germany, organizing their paperwork and preparing municipal appointments, forms, and German-language emails.

A Mac utility that turns raw screenshots into framed, styled, precisely sized images for app stores and social posts.

A free Spanish-language toolkit that compares a résumé with a job offer, checks its structure, and prepares applicants for interviews and cover letters.

A point-of-sale, inventory, credit-tracking, and invoicing system for hardware stores and building-material depots.

A macOS radio app lets you click a place on Earth and hear a live station from there, with playback tucked into the Mac’s notch.

A free set of browser-based pricing calculators for tradespeople quoting jobs, setting hourly rates, and building estimates.

A Shopify-focused tool that assembles chargeback packets in issuer-reading order, with a rebuttal followed by labeled exhibits.

Une application de bureau apprend les habitudes d’un dossier QuickBooks Online, prépare les écritures et attend une approbation avant toute modification.

A planned 10-inch touchscreen that gathers aquarium readings, lab results, alerts, and environmental data into one wall display.

A searchable piano library where visitors can inspect scores, listen to pieces, and hand them off to an app for guided practice.

A roommate bill-splitting tool that assigns rent and utilities according to who was present during the period each bill actually covers.

Row Labels turns pasted spreadsheet rows or CSV files into print-ready PDFs for Avery-compatible 5160 address-label sheets.

A LEGO identification and collection workspace that matches loose parts to likely sets, checks inventories, tracks missing pieces, and records reseller results.

A multilingual panchangam that calculates Hindu calendar details for 18 Indian cities using each town’s sunrise.

A small Mac utility that gathers menu-bar icons macOS cannot fit, then lets you arrange their order.

A price-watching list that lets shoppers save products, track prices across stores, and wait for a worthwhile drop.

A free soapmaking lye calculator that explains its calculations, cites its oil data, and supports NaOH, KOH, water, additives, and mold sizing.

A free set of browser-based calculators, references, and file-inspection tools for audio production workflows.

A free Windows and macOS media hub for IPTV playlists, local files, libraries, and keyboard-first playback.

An interactive observatory for wandering through navigable chambers, reshaping procedural forms, and recording custom views.

A macOS clipboard manager that keeps searchable copy history, screens secrets, and lets local models answer questions about what you copied.

An iPhone app that analyzes golf-swing video, measuring tempo, swing phases, and body movement without uploading the footage.

A brand-protection service that checks suspected fake storefronts from local mobile profiles, then coordinates takedown filings across the hosting chain.

A macOS menu bar app that checks your Messages history and reminds you when you have fallen behind with chosen contacts.

A free browser tool for building ambient environments, triggering sound effects, and saving complete tabletop RPG scenes.

A peer-to-peer file-sharing tool that sends files directly from one computer to another through a browser.

A phone-based tool for set decoration buyers that stamps vendor, location, dimensions, quantity, and notes onto prop-house photos.

A browser-only writing practice tool for SPS, PSE, and general responses, with feedback flags and draft comparison.

A ranked guide to LLM token deals, measuring how much DeepSeek-equivalent usage each dollar buys.

A directory of 28 single-purpose browser tools for PDFs, images, subtitles, spreadsheets, text, and developer tasks.

A browser-based terrain studio that converts elevation data into layered relief maps or flat engraving SVGs.

An interactive explorer tracks Google trending searches across twenty markets over seven days, matching related trends across languages.

Displayreader uses a webcam to read measurement displays automatically, build timestamped series, and send the results to Excel, diagrams, or MET/CAL.

A structured reference for 162 US rewards cards, tracking earn rates, annual fees, recurring credits, caps, and reset dates.

A set of product generators for 3D-printing sellers that converts names, logos, links, and customer details into STL or 3MF models.

A personal project for paragliding and hang gliding that speaks altitude, wind, thermal drift, and variometer sounds while the pilot keeps the phone in a pocket.

An open-source Windows fleet-management system for vehicles, drivers, inspections, maintenance, accidents, workshops, and records on a company’s own server.

A travel-planning toolkit for checking baggage limits, flight and time-zone changes, driving distances, fuel, tolls, and total road-trip costs.

An offline browser tool that turns a Google Takeout export into browsable photos, timelines, maps, contacts, and service data.

Weatherling is a macOS menu bar app that makes rain fall around your open desktop windows, complete with adjustable intensity and optional downpour audio.

A browser-based converter that recalculates knitting and crochet pattern counts for your own yarn tension.

يومها turns household instructions into translated, image- and voice-assisted tasks for domestic workers and other household staff.

A searchable catalog for comparing single-origin coffees by flavor, process, grower, price, fermentation, treatment, and roaster.

A browser-based designer for 3D-printable front plates, shelves, cooling parts, and device boxes for standard 10-inch racks.

A Chrome extension that finds music and video through random genre, country, year, instrument, or language seeds instead of recommendations.

An educational demo that turns a clinical note into plain-language explanations, medicines, next steps, and a patient-facing screen.

A phone-first operating system for appliance retailers, combining unit-level inventory, purchasing, receiving, sales, deliveries, and Clover payments.

An interactive map for finding parks, summits, nature reserves, and other places where amateur-radio operators work portable.

A browser-based Base64 encoder and decoder for text and files, including Unicode and Base64URL support.

A $9.99 Mac utility that turns an existing Obsidian Base into a menu-bar board and writes dragged-card changes back to notes.

An iPhone app that blocks chosen apps on a schedule, then makes a trusted person approve each escape.

An interactive bird-sound field guide built from real recordings, country maps, species pages, and listening rankings.

A browser-based solver that reads a Block Blast screenshot and recommends the safest order for placing its three upcoming pieces.

Upload a paper building manual as a PDF or photos, then explore its reconstructed model piece by piece.

A URL-card diagnostic tool that previews how a link will appear on X, LinkedIn, Slack, Discord, and iMessage.

A consumer research tool that scores products from 0 to 100 using ingredients, recall history, and brand transparency.

An iPhone and iPad app that maps NYC parking rules, meter limits, upcoming restrictions, and the reasons behind them.

A free, open-source Ubuntu dictation tool that transcribes speech locally and pastes clean text into whichever field is focused.

A browser-based visualizer that turns CSV, TSV, or JSON data into an explorable isometric city.

A state-by-state calculator for estimating vehicle registration costs from government fee schedules.

A free set of 16 dosage, infusion, conversion, and clinical calculation tools.

Drug-reconciliation software for billing teams comparing treatment, supply, claim, and payment records across clinics.

A guitar-reading tool that flips tab and fretboard views to match how the instrument looks in your hands.

A browser-based compliance tool checks medical-device Excel data cell by cell and generates EUDAMED bulk-upload XML.

A private photo-based family game that guides people from recognizing familiar faces to recording and revisiting memories.

A browser-based PDF editor for adding text, checkmarks, dates, signatures, highlights, shapes, whiteout, and images before downloading the result.

A prepress automation suite watches an intake folder, validates incoming artwork, routes clean files to a RIP, and tracks jobs across the production floor.

A Mac app lets users connect folders to actions such as resizing, converting, compressing, renaming, and sorting files.

A collection of browser tools that measures golf positions, swing frames, club paths, putting angles, and putt lines from phone video, photos, AR, or a small sensor.

A Chrome extension that captures live webpages at multiple widths and pastes them into Figma as editable layers.

This Japanese-language calculator compares parental-leave schedules and estimates their effects on benefits, insurance premiums, taxes, and eligible childcare fees.

A searchable catalogue of vibe-coded and browser-based tools, checked on a schedule for availability and tracked over time.

Cloud accounting and billing for Nepali distributors, with VAT, Bikram Sambat dates, inventory units, post-dated cheques, and breakage claims.

A free, pass-and-play Maxi Yatzy game for two people sharing one device.

海外発送の送料、個人輸入の関税・消費税、eBay出品の手取りを計算する日本語サイト。

A browser-based diagnostic for keyboard chatter, rollover, stuck keys, and suspicious repeat events.

Kramik turns an IFC building model into an editable construction schedule, a day-by-day 3D playback, and crew-updated progress tasks.

A macOS utility combining brightness control, per-app audio, system metrics, networking, VPN switches, SSH launching, battery details, clipboard history, and keyboard cleaning.

A free problem-solving network where people describe everyday failures, compare existing solutions, and only then consider software.

A compact guide to paper grain, pamphlet stitching, beginner tools, sheet sizes, and folding paper into book leaves.

An interactive photo-gift maker that combines uploaded pictures with a chosen occasion, comedy style, and output format.

An in-development wearable golf system that measures club and body movement, then gives spoken swing feedback through a phone app.

An AI filmmaking previsualization tool that lays out rooms, places cameras, and suggests lenses, angles, and shot setups.

A comparison database of 53 robot lawn mowers, combining specifications, prices, navigation systems, lawn ratings, and reported owner drawbacks.

MustRenew builds a renewal checklist for single-location restaurants, bars, and bakeries from their business type and county, then files certificates from phone photos.

A free, mobile-friendly reference for conduit fill, ampacity, grounding, box fill, motor currents, wire sizes, and voltage drop.

A native Mac viewer and editor for browsing, filtering, querying, and carefully changing local SQLite files.

A website accessibility audit tool checks pages against WCAG 2.1 AA, explains failures, and preserves dated audit records.

Raft helps families coordinate shared bike rides to school by collecting home pins, proposing a meeting point and quieter route, and assigning chaperone turns.

A Chrome and Edge extension that saves, searches, organizes, and reopens browser windows as private sessions stored on your device.

A tiny Mac menu-bar app that opens a note popup beside your cursor when you shake the mouse.

A browser tool that cuts STL, OBJ, and FBX models into printable pieces and generates matching connectors.

A Shopify inventory forecasting tool that separates genuine lack of demand from days when a product was simply unavailable.

A Japanese lodging directory that collects hotels and inns carrying Google Maps’ “Highly Rated” tag and compares their scores across four booking and review services.

An Australian app for recording work trips, photographing receipts, and exporting tax-season records without an account or server.

A phone app that controls Bluetooth FTMS trainers indoors and provides GPS navigation, route guidance, and ride data outdoors.

A fantasy-football analysis tool that replays a league against every schedule to calculate all-play records, schedule luck, and alternate standings.

A revenue-recovery tool for HVAC, plumbing, and home-service companies that ranks overlooked customer opportunities from exported records.

Umber is a floating Markdown notes app for macOS, built around keyboard shortcuts, local files, and quick capture.

A Russian-language analytics dashboard for heroes, matches, players, and items in Dota 2’s Turbo mode.

Umbral connects wearable data to a personal health baseline, then frames supplements as measurable, one-variable experiments.

A podcast player that transcribes episodes, extracts takeaways, and brings them back through spaced repetition.

A Mac app that uses AirPods head tracking to blur your screen when you turn away and trigger actions with head gestures.