Useful Tools

A browser-based viewer for Skype export files, with chat search, date navigation, and support for associated photos and other media.

A live board tracking how long selected tech features have been unavailable in Europe, alongside EU rules in force and launches that eventually arrived.

A Hebrew reference site for exploring Jewish sages by period and place, with timelines, maps, teacher-student lineages, and downloadable materials.

Accessible Game Hub lists audio and text games for blind and visually impaired players, with filters for platform, genre, and price.

A provenance-checking service that says it searches object photographs and 104 databases across 42 countries, then presents findings in reports.

An interactive explorer of Malta, Gozo and Comino, combining locality maps, terrain and geology layers with geography games.

A free browser-based generator for printable graph, writing, craft, planning and other paper, with custom sizes and downloads in PDF, SVG or PNG.

A library-search tool that compares ebook and audiobook availability across your library cards and their partner libraries, then ranks copies by how soon you can borrow them.

An open-source systemwide equalizer for Mac and Windows, with headphone profiles, AutoEQ, cross-device sync, and community-shared themes.

An app that reads a Markdown research archive and connects ideas across its books, papers, articles, and notes.

A Portuguese-language collection of tools for creating game dialogue, tutorials, choices, stories, and names for animation and comics.

A search tool and guide to scams circulating in Italy by SMS, WhatsApp, email, and phone.

Still Bird is a beta Mac app for identifying and organizing bird photographs, with offline recognition for birds in Singapore and Malaysia.

A sarcasm tool that reworks web pages or pasted text, with a bookmarklet for taking it along.

An MLB analysis dashboard that grades front-office transactions since 1998 and offers tools to price deals and project each club’s next five years.

A browser alarm escalates from a gentle meow to opera and chainsaw sounds when you snooze.

A packaging optimizer compares box sizes and cardboard grades against a product, warehouse conditions, pallet loading, and supplier costs.

A free calculator estimates purchase taxes and typical fees for buying property in Portugal, Spain, and the United Kingdom.

A site-analysis tool for 10–100-unit franchisors that turns candidate addresses into scored trade-area reports and prospect-ready download packets.

Primordial Origin is a bilingual worldbuilding workbench with creative briefs for developing characters, places, societies, and stories.

A Brevard County map for road closures, flooding, weather alerts, and boil-water notices, using agency feeds and linked local reports.

A free, open-source macOS app for browsing and managing Amazon S3 and compatible storage, with read-only access as the default.

CheCampo turns WhatsApp messages and voice notes about farm work into organized records for livestock, rainfall, health, crops, expenses, and orders.

Dogubako is a free, open-source desktop app for file tasks such as compressing images, merging PDFs, transcribing audio, and formatting JSON, with options to run it locally or on your own server.

A searchable database of DOE-certified capacity figures for portable and window air conditioners, dehumidifiers, and air purifiers, with room-sizing guides.

Firelit is a free-to-try app for friends playing the same video game, with discussion rooms that unlock as each player reaches new chapters.

A browser-based farm tool for mapping paddocks and gates, tracking livestock mobs, and sharing jobs and records across phones, including offline use.

An index of podcasts and episodes recommended in Hacker News discussions, ranked by how consistently recommendations recur across months.

Shop software for Nepalese retailers that brings counter sales, credit, stock, VAT, and orders from several channels into one system.

A browser-based viewer for .msg, winmail.dat, .eml and mailbox files, with options to read messages and save attachments.

A free Morse code tool that translates typed text and dots-and-dashes, decodes recordings, videos and photos, and plays messages as sound, light or vibration.

RecordTags turns Discogs release details into printable record-sleeve labels, with fields for condition and sale price.

A rancher-built tool for comparing nearby livestock sale barns by estimated net proceeds after commission and hauling.

A non-commercial sports-scheduling notebook combines practical research notes, interactive fairness experiments, and a free matrix builder that exports to Excel.

An offline preparedness app that helps households plan supplies and find guidance for outages, water loss, storms, floods, and evacuation.

A suburb-level service for South African water outages, dam levels, restrictions, fuel prices, forecasts, and alerts.

A browser tool for scoring yo-yo freestyle routines alongside YouTube video, with each judge’s clicks attached to the moment they happened.

Alaska Salmon Counts compares final counts for 10 salmon runs across eight rivers with escapement goals and typical counts from prior seasons.

A searchable shortlist of ADHD-related YouTube videos ranked by how many different people recommended each one in ADHD communities on Reddit.

Alcove presents a Chrome extension that removes posts about selected topics from web pages and feeds.

A free radio-listening site that maps stations around the world, with country-guessing games and features for people listening together.

Ballast groups memory use by app, project, or Claude session, then lets users stop idle processes or park a project for later.

A multilingual illustrated field guide for browsing bird species, sightings, and hotspots around the world.

A Maputo service for finding race-day photos by date, location, and clothing color, then buying them through WhatsApp.

A Spain-focused astronomy almanac with nightly sky information, monthly guides, and resources for observing eclipses, planets, the Moon, and meteor showers.

A camera-based scoring system for simulated game clay days, with shot grades, leaderboards, scorecards and video reels.

Cutpeek opens Silhouette .studio3 and Brother ScanNCut .fcm files in the browser, previews their cut lines, and offers SVG and PDF exports.

A forensic dendrochronology workbench for cross-dating timber, estimating felling dates, examining provenance, and assembling case dossiers.

A browser-based adult critical-care echocardiography tool for assessing shock patterns, fluid decisions, diastolic function, and serial trends.

A free, multilingual set of calculators for Kuwait workers covering overtime, leave, loans, end-of-service benefits, notice periods, and residency fees.

A searchable database tracking peptide research, evidence levels, clinical trials, and regulatory status by country.

A public comparison of U.S. brokers’ trade execution and costs, with tools to compare brokers and estimate yearly expenses.

A club-night tool for organizing badminton doubles, tracking who is waiting, and suggesting the next matches.

A free, open-source desktop app for upscaling, denoising, face restoration, and frame-rate conversion on a local GPU.

An interactive analysis that compares AI models’ release dates with the dates they reached the capability level of the leading model.

An unofficial, free reference for 17 Fujifilm cameras, with interactive 3D controls, menu practice, and film-recipe banks.

A Chrome extension that applies screen adjustments across tabs, with settings for dimming, tint, dark mode, motion, and autoplay.

An open-source command-line tool that turns consumer DNA exports or VCF files into local HTML, Markdown, TSV, and JSON reports.

A searchable guide to books, tools, and services ranked by how many Hacker News commenters recommend, question, or criticize them.

A public tool for searching Medicare reference prices, comparing hospital rates, and estimating what a patient may pay.

A free map places historic paintings and photographs at their original viewpoints around Cape Ann and Portland, Maine, with a camera overlay for comparing then and now.

i-meta-hub is a Korean-language directory for finding and entering browser-based 3D spaces, with filters, a preference quiz, and a crowding guide.

JINA turns a message into a kanga-style design, with free sharing and listed options for downloadable and print-ready files.

A Mac app that plays recordings of 15 keyboards and typewriters as you type, with pressure-sensitive playback on supported MacBooks.

Kith is a free, open-source family history website that relatives can visit on a server you control.

A free, open-source phone dashboard for comma 4 users to view openpilot activity, review trips, and manage settings.

A family-run page for coordinating visits and meal deliveries with neighbors.

A free browser-based tool for designing custom fishing lures, exporting printable STL files, and sharing editable designs.

A Japanese music-sharing site for recording favorite songs, albums, and live shows as shareable lists, images, and, for some projects, playlists.

A searchable dictionary of Ivorian Nouchi slang, with 902 words and expressions, definitions, examples, and sections for exploring the language.

A playable browser demo previews a strummable chord-harp instrument, with a fuller version offered as a DAW plugin or standalone app.

A Japanese-language directory for finding VTubers by traits such as hair color, voice, personality, stream type, language, and interests.

A phone-first builder for composing virtual paludariums from drawn rocks and wood, plants, moss, water, and small animals.

A Chinese-language research workspace for preparing all-atom or coarse-grained polypeptide simulation inputs, then downloading them for local GROMACS runs.

A free browser editor for turning Quran verses into recitation videos, shareable images, PNGs, SVGs, or copyable text.

A browser tool for opening Microsoft Publisher files and saving them as PDFs, images, or text.

A Korean-language tool that turns exported KakaoTalk conversations into an on-device diary of reply times and who started conversations. A Claude-written report is listed at ₩3,900, but the site says it is still preparing.

A design and estimating app for Moroccan salons, combining scaled plans, fabric previews, workshop calculations, and client-ready PDF quotes.

A searchable index of track-and-field coaching videos, organized by event and topic and ranked in part by athlete and coach recommendations.

A live train-tracking site for 15 countries shows train positions, delays and platforms, and lets passengers share an arrival link with someone meeting them.

A room-planning tool for drawing a home to scale, arranging furniture, and viewing the layout in 3D, with furniture from Uruguayan stores alongside users’ own pieces.

A free browser-based tool rearranges a PDF into print-ready sheets for a stapled booklet or an 8-page mini-zine.

A publishing tool that turns Word files, text, or PDFs into shareable issues with page layouts, a reader link, and a public shelf for each publisher.

A free, open-source Chrome extension that organizes tabs across windows, with search, favourites, grouping, and one-click cleanup.

EbbnFlow presents a small-business software suite, led by ReFlow, which says it verifies Ethiopian telebirr and CBE payment receipts with the bank.

A Japanese-language collection of fortune-telling and calendar tools, from name-stroke readings to lunar-date conversion.

Puente helps special-education schools share a child’s day with family through an ordered strip of pictograms.

A set of child-support calculators for six states, with state-specific guideline formulas and supporting guides.

A monitoring service for apps built with tools like Lovable, Bolt, Cursor, and Replit, with daily signup, login, Stripe test-checkout, and light leak checks.

A searchable guide to free places to visit, with listings organized by city and interest.

A public dashboard tracks desktop Linux market share worldwide and by continent, using figures from StatCounter, Steam, Firefox, and other sources.

A browser-based tool that restores captions, dates, and locations to files in a Snapchat Memories export.

An independent dashboard comparing Mexican CFDI certification providers through market statistics, public prices, and live checks of their free services.

A free tool for Florida contractors that compares subcontractor payments with state workers’ comp coverage records to flag payments an insurer may count as payroll.

A browser extension that creates a separate email alias for each site and fills it into signup forms using your existing alias service.

A hands-on simulator for HVAC equipment and building controls, with live points, visible airflow, and editable conditions.

BikeClip turns the bunny hop into a video-comparison study, with short riding clips, playback controls, and timestamped scenes from known riders.

A browser-based tool for turning photos, names, or words into patterns for crafts including cross-stitch, fuse beads, crochet, knitting, and pixel art.

Cross Stitch Maker turns photos into editable, printable cross-stitch charts with DMC thread colors and a thread list.

A free lookup tool for checking whether an electronic logging device model is registered, revoked, or withdrawn in FMCSA’s published lists.

A free directory helps people find state-certified water-testing labs by location and test type.

A consumer guide for comparing fireplaces and wood stoves, checking local burn restrictions, and understanding rules that can affect a home sale.

A browser-based tool for turning a selected section of an MP4, MOV, or WebM video into a GIF, with controls for size, frame rate, and target file weight.

A free browser-based photo viewer and culler for burst shooters, with tools to organize, edit, and export images.

Fort Route describes truck navigation that accounts for vehicle dimensions, hours-of-service clocks, rest stops, road alerts, fuel, and trip records.

A phone-and-computer mapping tool for oil and gas crews to record buried lines and equipment, share maps, and export project data.

A browser-based viewer for LightBurn and xTool project files, with layer details and design exports.

A navigation app for people with dementia who find maps difficult, guiding them toward destinations with arrows and a large distance-to-turn display.

A free looper app for Android and the browser that records, layers, sequences, and exports audio.

LoRa Mesh Atlas presents source-linked comparisons and selection tools for Meshtastic and MeshCore radios in the US.

A searchable index of new and used cars and trucks advertised by Texas dealers, with listings sorted by price and other filters.

An Android camera app that stamps GPS coordinates on photos and stores photos, notes, and groups in an encrypted vault.

An Italian-language CAD tool for metalworkers that turns railing and stair geometry into 2D drawings, 3D models, cut lists, and estimates.

A Korean service that checks property ads against building-register records, looking for discrepancies in details such as floor, parking, use, and approval date.

A macOS app for reviewing Phantom CineMag footage on the camera mag, then offloading lossless .cine files to a drive.

An interactive map for exploring U.S. power plants, high-voltage transmission lines, and major electricity users.

A public directory lets visitors compare acupuncture clinics by first-visit and follow-up prices, sliding-scale options, insurance, and location.

Escamas de Répteis is a Houdini HDA for distributing, painting, directing, and shaping scales on a 3D model, then exporting the geometry for projection or baking.

An Android app that locks selected apps at prayer time and places a short Quran verse before apps reopen between prayers.

A food and dish database grades oxalate amounts per serving, with a calculator and guides for people concerned about kidney stones.

A field logger and desktop software workflow for turning percolation readings into test tables, AutoCAD soil-test sheets, and a health-district memorandum.

A browser-based tool for resizing planner PDFs, arranging duplex pages and adjusting the backs before printing.

An Apple Music player that presents albums as sleeves and plays them as two-sided records on iPhone, iPad, and Apple TV.

A suite of five online tools for Czech project documentation, covering lightning-risk analysis, protocols, technical reports, standards checks, and PDF checks.

Search by car name or model code to find factory tire specifications and reported recalls for listed Japanese vehicle models.

Shona describes a free mobile app for managing tailoring clients, measurements, orders, payments, and shop operations, with offline use and Swahili and English support.

An iPhone app reads a flight simulator’s position and sends it over Wi-Fi to electronic flight bag apps.

A regional comparison site lists funeral homes across Washington and Iron counties, with published prices, crematory details, and a budget-matching tool.

A browser-based editor for previewing, recoloring, and exporting pixel-art effects as sprite sheets, image sequences, or GIFs.

A free browser puzzle site with a new Star Battle each day, plus a library of puzzles in four grid sizes.

A free browser-based tool that reads pasted Steam purchase history and breaks spending down by game, including microtransactions.

A Western North Carolina directory comparing posted prices for TMJ and jaw care providers, with guides to who treats TMJ.

A browser-based pattern maker turns a photo into a cross-stitch chart with thread matches, symbols, grid lines and skein estimates.

A Hebrew-language cabinet planner combines adjustable drawings with cut lists, customer records, and quote generation.

The site describes a parcel lookup and mapping tool for North Cyprus, with nearby-route measurements, reports, and Turkish-narrated property videos.

A Czech-language suite of browser-based tools for project documentation, from lightning-risk analysis to checking standards and PDFs.

A Korean-language directory of dance teaching jobs, competitions, performances, festivals, and academies, with links to original notices.

Allele presents an eQMS for medical-device teams that connects requirements, risks, and test evidence to FDA pathway planning and 510(k) preparation.

A searchable reference for appliance specifications, manufacturer manuals, error-code meanings, and documented faults.

An interactive aquarium planner checks water conditions, bioload, space, equipment and tank-mate compatibility, with a 3D model of the tank.

ARC AMS is an adaptive music system for live broadcasts, designed to adjust cues as timing and show events unfold.

ARCDOT says it uses a Korean land address to assemble property data and local rules for real-estate development feasibility analysis and reporting.

A free music-production tool that searches a sample library by sound, with a companion sorter for organizing files.

A paid Windows overlay for The Isle: Evrima that adds a live map, compass, HUD stats, party markers, and chat.

Ava evaluates sailing departure times against a boat’s settings and the crew’s limits, then gives a plain-language go, caution, or no-go answer.

A free, open-source Windows tool that overlays live combat data and records fights, dungeon runs, and other AION2 activity.

A free, open-source desktop app keeps a Mac, Windows PC, or Linux machine awake for timers, commands, apps, and AI-agent work.

An unofficial fansite that puts Guild Wars 2 world bosses and meta events on a local-time timeline, with search, waypoint copying, and optional alarms.

BeguBesaz describes a workflow for turning a text prompt, photo, or existing 3D file into a printable model, with options to download the files or order a printed part.

A mood diary where you choose a teacup for the day, add a sticker, and write a line—or just let the cup stand on its own.

Blackcap is an iPhone and iPad app for building songs from hummed tunes, lyrics, chords, beats, and recordings.

A monitoring service that checks whether a website is reachable through Smart, Cellcard, and Metfone from inside Cambodia.

Cardvoy presents a bank operations platform for tracking captured and newly issued cards through custody, dispatch, return or destruction.

A searchable guide to Community Development District assessments across Florida communities, with reported yearly bills and changes over time.

Cinder is a Windows and Mac desktop file converter that uses a radial menu to convert files without uploading them.

A macOS command-line tool for copying camera, drone, and recorder media to a working drive and the user’s own AWS Deep Archive.

ColdRoomQuote is a phone-first planner for laying out cold rooms, checking panel plans and preparing contractor estimates.

A free planner estimates how cartons can fit in 20ft, 40ft, high-cube, or custom containers, with options for single-item capacity searches and mixed-cargo orders.

A public guide to seven-day weather forecasts for the peaks of 113 Indonesian mountains, with hiking-condition ratings, sunrise outlooks, SIMAKSI links, and route details.

A browser-based editor for arranging crochet stitches into rows, rounds, and shareable charts.

A Busan-only route planner for novice and visiting drivers that offers alternatives designed to avoid difficult roads and maneuvers.

A set of free, browser-based photo tools for checking timestamps and location data, adding date stamps, viewing metadata, and removing GPS information, alongside guides for documenting disputes.

A free tool that records timestamp evidence for text, files, photos, or public web pages using their SHA-256 hashes.

A controller-first catalog for finding, installing, and updating Decky Loader plugins from Steam Deck Gaming Mode.

A public pilot-record and campaign tracker for the DeepSea DCS community server.

A free, Thai-first office suite in development, with document and spreadsheet apps for Windows.

A filterable register of left-crown watches, with brand, price, movement, size, and sourcing details.

Cortex answers missed calls for HVAC and plumbing shops, sorts emergencies from routine requests, and collects each call in an inbox for follow-up.

A browser-based scheduler for pickleball rounds, court assignments, and byes, with a receipt showing how it handles fairness tradeoffs.

A Windows and Mac tool for searching a DJ’s own music, video, and karaoke files, matching tracklists, and exporting VirtualDJ playlists.

A browser-based cross-stitch studio for converting images into DMC floss charts, editing stitches, and preparing printable pattern files.

A Spanish-language spending-analysis tool that examines uploaded bank statements, identifies recurring costs and fees, and proposes a savings and debt-payment plan.

The downwindpilot.com address redirects to Seaventi, an iPhone and Apple Watch app for recording foil sessions, reviewing performance, and getting coaching and safety guidance.

Echo is a Windows and Linux app for saving, editing, and sharing recent gameplay footage.

A Uganda-focused service helps students submit foreign school results for UNEB equating, starting with document scans from a phone.

A set of browser-based tools for resizing exam-form photos and signatures, preparing PDFs, and checking age cut-off dates.

ExtraButter uses friends’ public Letterboxd diaries to suggest a film for a shared movie night, with options for streaming or theatres.

A forthcoming iPhone and iPad reference app for searching aviation regulations, the AIM, and the Pilot/Controller Glossary offline.

A flow-arts learning site for exploring prop movements in 3D and planning short guided practice sessions.

A set of free browser-based tools and field guides for diagnosing Counter-Strike 2 frame-time, network, and input problems.

A carry-on checker compares entered bag dimensions with size rules for 22 airlines, with a 3D sizer view and connecting-flight checks.

Chair Ready offers custom tattoo-shop websites with interactive client tools, plus a booking product listed as coming soon.

An iPhone and web app for Greek chapters and membership organizations, covering events, dues, attendance, communications, elections, service hours, and member onboarding.

Coliseum presents an artist-facing music workspace that brings song fingerprints, credits and registrations together, with connected surfaces for fan proof and sync licensing.

It checks dealership websites’ phone, contact, chat, trade-in, and payment buttons to see which interactions are recorded, misrouted, or missing.

A browser-based tool for describing industrial electrical circuits in French and generating power and control schematics.

Mesa is a Mac file manager that lays folders and files out on a zoomable canvas, with an assistant that can work across documents, images, and video.

A Taiwanese-language travel guide for short trips around Japan, Korea and Asia, with calculators for transit passes, rental cars, packing and weekend flight timing.

GROUPLESS gathers Second Life store sales, gifts, new releases and events into a browsable feed with links to teleport or visit each store.

A filterable catalog of blogs shared by Hacker News users, with topics, top posts, and sharing counts.

HackerTube collects tech videos mentioned on Hacker News and ranks them by community discussion rather than view counts.

A searchable collection of YouTube videos recommended by Hacker News commenters, with topic filters and rankings.

HB Tools presents a radio-amateur suite for measuring band activity around a station, with tools for logging contacts, controlling radio equipment, decoding digital modes, and tracking satellites.

A paid service that files a moving-truck no-parking permit and turns the move date into a plan with reminders.

A browser extension that adds price history, local information and buying-cost estimates to listings on Rightmove, Zoopla and OnTheMarket.

A browser-based HVAC chart for plotting air states, mixing air streams, and working through cooling calculations, alongside a broad set of HVAC calculators.

A browser-based tool for reducing the size of HWP and HWPX documents, especially by compressing embedded images.

A read-only tool for comparing hypothetical perpetual-market orders against visible Hyperliquid order-book depth, price context, and funding.

JAY is an upcoming iPhone scheduling app that presents turning spoken or written notes, photos, and pasted messages into calendar events and tasks.

A browser-based calculator for process-costing workflows, including weighted-average and FIFO methods, production reports, and homework tables.

A free, no-account radio player for live stations and independent tracks, with car-friendly playback and on-device listening features.

A browser-based workspace for editing, comparing, validating, querying, and converting JSON.