Useful Tools

AuthentiPack examines a photograph of a medicine pack for NAFDAC-number, packaging, batch, and expiry anomalies.

A free bilingual Hebrew-English calendar for recording tahara observations and locating relevant vesos across a full year.

A trio of native Mac apps captures MiniDV and HDV tapes, mirrors their folders, and converts or catalogs the resulting files.

CandidPDF checks PDFs, automatically fixes some accessibility problems, validates the result with veraPDF, and identifies the work still requiring a person.

A free calculator that turns a grower’s target, fertilizer stock, and water analysis into nutrient weights and tank A/B assignments.

A suite of free fueling calculators helps vegan marathon runners manage carbohydrates, fiber, caffeine, hydration, recovery, and product ingredients.

A browser-based scorekeeper for padel groups running Americano and Mexicano nights, with automatic draws, live scores, ratings, and season tables.

A free browser-based toolkit for checking product identifiers, marketplace feeds, shipping data, business documents, and other formats against published rules.

A browser canvas that combines handwriting, editable code, molecular diagrams, logic circuits, maths, spreadsheets, and charts on one sheet.

An in-browser astronomical simulation showing planetary and lunar positions now—or on any date from 3000 BC to AD 3000.

A Windows app that places images, video, PDFs, and other media side by side for inspection, annotation, sorting, and export.

A desktop tool for criminal-defense teams that transcribes body-camera footage, flags possible inconsistencies, and lets users search the recording by asking questions.

A free, browser-based DICOM viewer for reviewing medical imaging studies without installation, upload, an account, or a server.

An iPhone app turns trip photos into numbered, dated, art-directed pages inside private digital city sketchbooks.

A browser-based diary for logging Parkinson’s symptoms, medications, meals, falls, and medication timing.

A local-first collection of small electronics, networking, signals, and device utilities that run directly in the browser.

A free, open-source Mac app that explains what is consuming disk space, where it came from, and when it was last used.

A reading companion that places glosses, character guidance, and chapter orientation directly inside classic texts.

Bindle saves complete copies of bookmarked pages, indexes their text, and turns selected links into durable public lists.

Jiyu is a quiet daily practice that converts nearby photographs into color marks arranged according to the traditional solar terms.

A fan-built K-pop photocard archive reconstructing pre-order sets, showing identified cards, and tracking what collectors are still missing.

A phone-based AI assistant for adults 65 and older, offering 65 free minutes each month with no app, password, or payment card.

An offline document vault for Brazilian firearms owners, linking permits, certificates, invoices, records, and deadlines to each weapon.

An on-site system for adventure operators that turns raw camera cards into finished edits, stills, and social cuts.

一款面向 FPS 训练者的 Windows 瞄准教练，结合鼠标原始输入、录屏和 KovaaK 数据分析每一次训练。

A browser-based set of electrical calculators for wire sizing, ampacity, voltage drop, and conduit fill.

Aspenote turns recordings, phone audio, lectures, podcasts, and linked videos into summaries, action items, and transcripts across languages.

A boating forecast tool that turns wind, waves, tide, visibility, and weather into a personalized Go/No-Go decision.

A browser-based converter turns photos, drawings, and logos into editable bead grids using manufacturer colour codes.

A private browser toolkit that turns tapped beats into BPM, note lengths, delay times, reverb timing, LFO rates, and other production settings.

A local macOS and Windows editor that renders spreadsheet data into printable cards, PNGs, and Tabletop Simulator exports.

A planned app for finding lost pets and missing things through nearby map pins, sightings, and owner-funded rewards.

A phone-only AI service for people 65 and older, with 65 free minutes each month and no app, password, or payment card required.

A private iPhone reference tool that answers plain-language questions about parenting plans and saved records, citing the exact source clause.

A route-planning guide for sports-card and trading-card-game shops between Florida and Michigan.

A family-care handover tool for tracking medications, daily notes, and end-of-shift updates without requiring an account or app installation.

A browser-based editor for writing, organizing, and exporting SillyTavern character cards and lorebooks.

A searchable index connecting FDA-cleared orthopedic technology with the clinical evidence—or lack of it—behind the same function.

A focused suite of browser tools for mechanical and defence engineering suppliers, including FAIR forms, tender monitoring, engineering calculators, and thread identification.

A voice-and-video practice tool where you approach AI-generated women in simulated real-world settings and practise the first thirty seconds of a conversation.

An open T20 analytics tool compares batters and bowlers by bowling type, innings phase, venue, league baseline, and ball-level records.

A free browser-based checker that reads a site's CSS, scores its design consistency, and suggests a tighter set of tokens.

A local-first macOS planner that gathers Jira, Figma, calendars, meetings, and other work feeds into one list, then writes approved replies and updates back to their source accounts.

A Windows companion for Gran Turismo 7 that reads race conditions, calculates fuel strategy, and talks to the driver over radio.

An iPhone and CarPlay app that puts a road-trip group on one live map, with shared destinations, convoy-visible fuel levels, walkie-talkie audio, and drive replays.

An offline medical-device compliance tool checks proposed changes against an FDA-authorized PCCP and produces a signed audit receipt.

A self-hosted family envelope-budgeting app that reconciles card-statement PDFs with a live bank feed.

A browser-based tool that adds furigana to Japanese text or images, then plays sentences aloud for shadowing practice.

GrazePost lets farm stands, market sellers, and makers schedule drops, cap inventory, collect preorders, and manage stall pickup from one dashboard.

A drumming practice tool that syncs uploaded sheet music to backing tracks, loops difficult bars, builds warm-ups, and uses a microphone to grade timing.

A Turkish hadith search and comparison platform that brings major source collections, narration chains, narrators, and subjects into one interface.

A local job board for posting small tasks and finding nearby people willing to do them.

A local-first app for recording contact with important people and noticing how relationship rhythms change over time.

A local generative art system that turns seed text, field recipes, fonts, mutations, and taste feedback into exportable paintings.

A Shopify chargeback monitor that watches for disputes, warns about evidence deadlines, and assembles a reviewable response packet for merchant approval.

A browser-based calculator estimates a specific home’s monthly carrying cost and the household income required to support it.

A UAE employment decision engine that calculates legal exposure, settlement costs, and supporting records before an employer acts.

A browser-based generator for designing plain-weave inkle bands, checking thread order, and printing a warping sheet.

Paste a Marketplace, Craigslist, or Autotrader link and receive a $29.99 PDF covering common failures, likely repair costs, price fairness, tax, and a nearby inspection shop.

A permission-based service that tracks quotes and invoices, then drafts follow-ups for small trade operators to approve before sending.

A court-workflow app for Ranchi advocates that gathers cause lists, live boards, case history, dates, tasks, and alerts.

A browser-based baby monitor that listens beside the crib and calls your phone when it detects sustained crying.

A Windows painting program built by illustrator Oliver Lawson, with GPU brushes, lasso-based painting, sketchbook organization, layer-aware colour mixing, and a one-time purchase model.

A Japanese kanji lookup tool covering readings, meanings, radicals, components, stroke counts, handwriting input, compounds, quizzes, and educational levels.

A focused set of pottery tools for shrinkage, glaze planning, oxide chemistry, firing temperatures, test tiles, and piece records.

An online digital-logic tool that simplifies Boolean functions with Karnaugh maps, truth tables, expressions, minterms, or maxterms.

A free collection of 24 unit-aware chemistry and biology calculators that show their formulas, substituted values, and intermediate steps.

An iPhone camera app that captures a true Bayer DNG alongside a single-frame HEIF, with automatic image processing switched off.

A Windows desktop app that suspends a draggable, interactive lucky charm above your other windows.

A planned iPhone app that turns photographed keepsakes into draggable magnetic boards, with calendar, map, and collection views.

A palm-sized touchscreen displays a one-time code when a till needs to hand over a receipt, ticket, warranty, menu, or other hosted page.

An iPhone app ranks tonight’s deep-sky targets and calculates exposure plans for your telescope, mount, camera, location, and sky conditions.

A browser-based set of image and PDF tools that says it compresses, converts, resizes, and processes files without uploading them.

Open Music Practice Tools bundles a layered metronome, transcription-and-looping player, random note generator, and random chord generator.

A set of free planning tools for Canadians living in the US, covering retirement, taxes, benefits, and cross-border account decisions.

A payroll log for Philippine shops and households that tracks workdays, cash advances, bonuses, and payments.

A Spanish platform mapping livestock routes, watering points, rest areas, pasture listings, shepherds, and rural services for extensive livestock farming.

PawTada brings pet health records, routines, medications, appointments, and household coordination into one timeline.

A fan-built archive reconstructs pre-order photocard sets, tracks identified cards, and helps collectors see what they are missing.

A free trio of poker utilities for dividing chips, learning hand rankings, and choosing whether to fold, call, or raise.

An interactive map locates each covered country’s point farthest from a drivable or public road.

An offline pool and hot-tub chemistry calculator that turns test readings into chemical doses for a specific volume.

An Android app that sounds a full-volume alarm when someone unplugs your charging phone, even if the device is set to silent.

A French-language generator builds GDPR privacy policies from the third-party services an application actually uses.

A paid conversion service that turns Microsoft Publisher .pub files into PDF and editable IDML files.

An inventory and point-of-sale app for trading-card sellers working from a convention table.

A sticker-powered feedback tool that turns NPS and CSAT surveys into one-tap reaction moments.

A monitoring and audit system that watches government, regulatory, and court documents, then records prediction-market calls before official settlement.

A native macOS menu bar app that saves a written next step alongside selected apps, tabs, workspaces, and files.

A browser-based mapmaker for turning trips into printable route cards, with editable roads, flights, ferries, stops, colors, and formats.

A prepress checker for DTF, DTG, sticker, and vinyl shops that measures customer artwork, repairs safe problems, and explains when a file needs to be replaced or printed smaller.

An image-to-3D tool that converts photos, sketches, and concept art into GLB, OBJ, or STL models.

A beta Mac launcher that accepts natural-language requests for files, calendars, messages, music, web answers, and system actions.

An AI-powered sneaker market intelligence index that assigns each silhouette a 0–100 Hype Score using search, resale, press, social, and forecast data.

A free Italian site analyzer that runs 48 technical checks across structure, metadata, speed, indexing, and AI crawler access.

A browser-based reference for checking joist, rafter, ceiling-joist, and deck spans against published tables.

A browser-based calculator checks whether two logged rest periods satisfy the FMCSA split sleeper berth requirements.

A browser-based converter turns PDF bank and credit-card statements into Excel and CSV files, with source-linked transaction previews and balance checks before payment.

A monitoring service that checks nonprofit websites, donation pages, domains, certificates, email records, and regional speed, then explains problems in plain English.

A mobile-first companion that helps first-time sumo spectators understand rituals, signals, and sudden match-day moments as they happen.

A free browser tool that groups Indian marketplace shipping labels by product, size, and courier before printing.

A macOS tool records a trader’s screen and microphone, captures marked decisions with keyboard shortcuts, and turns the session into a structured journal.

A free suite of 18 in-browser tests for devices, performance, internet connections, and human reflexes.

A forthcoming iOS app for tracking whiskey pours, proof, composition, lineage, splits, merges, and the survival of the first pour.

A spoiler-free Star Trek: The Next Generation selector that recommends one episode by crew member and viewing mood.

A macOS menu-bar utility that reads Claude Code session logs, forecasts when usage limits will bind, and suggests the smallest change to stay under them.

A browser-based QR generator and scanner that checks decoded links for scam patterns before sending you onward.

A Mac tool that finds local businesses without websites, verifies the gap, and generates a sample site and tailored pitch for freelance web designers.

A local-first desktop app for independent businesses to invoice clients, track expenses, and prepare quarterly tax figures.

A Mac app that turns the wait for an AI response into short, branching trails of ideas and rabbit holes.

A local-first planner that tells Stardew Valley players which crops to put into Kegs, Preserves Jars, and Dehydrators next.

A free church projection tool that listens to a sermon, finds biblical references, and prepares them for live display.

A storefront for finished browser tools that buyers can edit, brand, and resell as their own digital products.

A forthcoming Pokémon card binder and discovery app built around private family collections, card stories, and subscription funding rather than prices, feeds, or advertising.

Baggo turns shopping lists into reusable, offline checklists organized around your store, your household, and the way you actually shop.

A connected investigation platform for recording audio, monitoring magnetic and environmental signals, collecting visual evidence, and organizing findings.

A browser-local workspace compares 3PL invoice CSVs with rate cards and Shopify activity, then surfaces review candidates with source-row references.

An interactive Rubik’s Cube last-layer guide that reduces seven OCLL cases to Sune and Antisune, then finishes with 2-look PLL.

A browser-based camera tool that places a reference image over paper, walls, mugs, cakes, fabric, and other real surfaces.

A pressure-chamber operations tool that records every pressurization, tracks inspections and qualifications, and produces regulatory records.

A stress-testing instrument that runs a SaaS idea through 2,000 simulated futures using price, customer growth, churn, and available time.

A public registry where buyers and sellers can check trading-card handles before sending money or cards.

A plate-monitoring service that checks available NYC parking and camera violation data and flags records that need attention.

An adaptive study companion for Navy Hospital Corpsmen preparing for advancement exams, with targeted questions, explanations, flashcards, streaks, and leaderboards.

A free browser tool that inspects and cleans supported AI provenance metadata and invisible text marks from files.

A timestamped tracker for global Codex quota resets, banked resets, and usage-limit changes.

A financial-analysis tool that tests whether correlations hold across stationary, regime-conditioned, corrected, and out-of-sample data.

A nightly monitoring service for US customs brokers that matches tariff-schedule and Federal Register changes to each client’s tariff codes.

A Windows dictation tool turns spoken Brazilian Portuguese into cleaned text inside apps such as ChatGPT, Cursor, WhatsApp Web, Gmail, Notion, and VS Code.

A browser-based dashboard that parses Uber receipt emails or exported files into spending totals, recurring routes, and trip history.

FeedLitra breaks EPUBs and scanned PDFs into an ordered stream of cards containing arguments, questions, concepts, chapter maps, and reader notes.

A Mac utility that folds selected menu bar icons into a grouped panel without rearranging the bar.

A free browser test that examines ping, jitter, local-channel behavior, and routes to GameScan nodes.

A macOS screen recorder and editor for trimming, captions, cursor zoom, audio cleanup, and export without uploading recordings.

A Shopify checkout extension that places a post-purchase survey on the Thank-you or Order-status page.

WYA presents a campus-only map for MSU students to find active bars, nightly specials, friends, and destinations around East Lansing.

A Japanese tool that checks which golf-shaft sleeves fit which club heads, then compares used and new prices across multiple stores.

A review and provenance layer for fractional CFOs working in Excel or Google Sheets.

A privacy-first pantry app that scans receipts, tracks expiry dates, and suggests recipes from what you already own.

A self-help tool guides people through settling an estate with a phased plan, prepared notification letters, and a tracker.

A source-linked cancellation database that helps people find direct exit routes, notice periods, fees, and company-specific steps.

A browser-based ASCII art toolkit for building text banners and converting images into adjustable character compositions.

A French iPhone and Apple Watch training app that keeps workouts inside a target heart-rate zone and explains what made each kilometre difficult.

A searchable directory of kosher-certified rums, organized by brand, certifying agency, and bottle.

A planned app for swimming families that converts official meet data into heat times, lane details, live race views, results, personal-best tracking, and qualifying-time progress.

A focused toolkit for Path of Exile 1 and 2, covering stash pricing, build-based trade searches, build-file imports, and map-mod warnings.

A live price tracker that parses Kamadan Trade Chat into Guild Wars 1 listings, exchange rates, and item averages.

An iPhone music player that streams ALAC and FLAC directly from Google Drive, then adds performer and piece context with a swipe.

A Spanish-language browser suite for fluid mechanics, hydraulics, heat and mass transfer, and mechanical operations.

A Brazilian management platform for tracking stingless-bee colonies, lineage, harvests, field bait, supplies, and finances.

A browser-based DJ mixer for loading audio, isolating vocal, drum, and instrumental parts, applying effects, looping sections, and recording WAV mixes.

A speech-practice product for people with social anxiety, built around short improvisation exercises and marked-up feedback.

A free browser-based studio that converts photos, text prompts, or 24 built-in models into pixel-art grids you can color, download, or print.

A comparison site for Murphy beds, cabinet beds, sofa beds, and DIY kits, with a calculator for checking room fit.

A btop-style terminal app that measures latency, bandwidth, Wi-Fi, DNS, routing, and machine health in one diagnostic view.

An iPhone mileage tracker that uses a car’s Bluetooth connection and motion confirmation to log trips, classify them as Work or Personal, and assemble CRA or IRS tax reports.

A searchable index of Oklahoma well records showing nearby depths, water levels, yields, owners, drillers, and county-level statistics.

An open-source, self-hosted family location tracker with live maps, safety alerts, saved places, and 90 days of history.

A privacy-focused CPAP logbook that uses a phone camera to record figures from a machine’s display and remind users about supply replacement.

A daily access guide showing which Oxford colleges are open to visitors, when they open, what they charge, and how to contact the porters' lodge.

A free Linux game launcher that reads Steam’s local records, retrieves artwork, tracks playtime, and starts games without an account or telemetry.

Une application de surf note 56 spots de la côte basque et des Landes heure par heure, selon les conditions et le niveau du surfeur.

A local tool for running pickleball events, drawing rounds, recording matches, tracking ratings, and keeping player histories.

A venue system uses a tablet and overhead projector to add 22 interactive games to existing axe-throwing targets.

A free preparedness calculator that estimates how long a household’s stored food will last, with related water and generator planning tools.

A QR-based booking and payment system that lets marina visitors reserve day berths without an app, sign-up, or staffed harbour office.

A Catalunya-focused calculator that estimates renovation costs by municipality, project type, floor area, and finish level.

A shared operating system that gives members, coaches, and gym owners different views of the same training and business record.

A local browser tool crops one portrait into exact-size ID-photo packages for printable 4×6-inch paper.

A Smite 2 ranked-Conquest toolkit for checking god counters, comparing matchups, building team compositions, and tracking the current meta.

A live fall-color forecast and trip planner for the Great Smoky Mountains, down to individual elevations and destinations.

A document-reading service sends photographed cards, estimates, and handwritten sheets into JobNimbus, Follow Up Boss, HubSpot, or Pipedrive.

A macOS app combines spoken instructions and screenshots into an editable prompt bundle for any pasteable AI input.

A Portuguese-language budgeting tool that turns conversational spending notes into categorized expenses, daily spending guidance, and an end-of-month balance projection.

Booking software that gives venues a musician application page, approval workflow, reminders, calendars, and a record of which acts draw a crowd.

A collection of free, single-screen calculators for knitting, sewing, candles, and other making projects.

An open-source desktop and mobile app that opens familiar platforms with ads, Shorts, Reels, recommendations, autoplay, and other attention hooks hidden by default.

A browser-based text utility that cleans pasted formatting, converts case, and performs 28 small text operations.

A free reference for 228 metric, Unified, and pipe-thread sizes, with tap drills, clearance holes, torque estimates, and wrench sizes.

A browser-based converter that turns hours, minutes, and seconds into decimal hours, one duration or up to 1,000 pasted rows at a time.

A browser-based tool that opens Google Maps Timeline JSON, animates the route on a map, and exports it as a shareable travel video.

A free landscaping calculator that turns area and depth into cubic yards, tons, bags, pickup loads, and an estimated material cost.

A browser-based tool for bending words into arcs, circles, waves, or custom paths and downloading them as transparent PNGs.

A Spanish-language collection of browser-based tools for images, PDFs, calculations, internet checks, and more.

A free Windows utility for trimming video clips and sending them to a link, a local folder, or Discord-friendly upload destinations.

A privacy-first collection of single-purpose browser tools, including a URL cleaner and a live word-and-character counter.

A community database for Dofus professions, recipes, resources, and server-specific market prices.

A searchable public index of marine engine part numbers drawn from EPA certification records and consolidated by brand and part number.

A ¥1,000 phone-verification service that checks Japanese restaurants and shops for travelers.

A rate-analysis and negotiation service for Chicago therapists and group practices, built from payer files and organized by insurer, billing code, percentile, and confidence.

A competition-season workspace for horse-and-rider teams, tracking show deadlines, entries, training, results, documents, and responsibilities.

A platform for show organizers to upload or draw floor plans, price booths, accept vendor applications, and collect payments through an interactive map.

An iOS learning app that teaches football formations, personnel, coverage, routes, and run concepts through lessons and quizzes.

A native Apple Silicon menu bar monitor for tracking CPU, memory, network, temperature, power, fans, and sleep-blocking processes.

A photography planner combines darkness, Galactic Center position, moon, weather, and light pollution to recommend when and where to shoot the Milky Way.

An AI-assisted operations system for thrift, vintage, and resale stores that identifies, prices, places, and reprices one-of-a-kind inventory.

一个面向中文用户的 Codex 使用额度重置追踪站，汇总公告、历史记录、社区请求和邮件提醒。

A browser-based system helps tax practices assess their security gaps, fix them, verify the fixes, and maintain a dated evidence record.

A Windows library for jewelry STL files that estimates weight across gold, silver, platinum, and other alloys.

A free tool that turns a military Leave and Earnings Statement into a plain-English breakdown and checks basic pay against published 2026 tables.

A browser game for four-player chess on a 14×14 cross-shaped board, with one shared link for players and spectators.

A local-first browser screen recorder that automatically zooms and pans toward your cursor, then exports an editable WebM.