# OhMyApps > OhMyApps is operated by NEURAL CRAFT LIMITED and founded by Auckland software developer Ewan Xiao. It publishes independent apps and free browser-based tools for developers, designers, writers, and everyday workflows. This concise map highlights the most useful public entry points for systems that choose to use the llms.txt convention. The complete optional map is https://ohmyapps.com/llms-full.txt and the canonical search-engine sitemap is https://ohmyapps.com/sitemap-index.xml. ## Core Pages - [Home](https://ohmyapps.com/): Overview of OhMyApps, featured products, and the studio focus on apps, AI, and useful tools. - [Products](https://ohmyapps.com/products): Directory of active OhMyApps products, apps, extensions, and web projects. - [Tools](https://ohmyapps.com/tools): Directory of 223 free browser-based tools across developer, text, SEO, math, design, productivity, and finance workflows. - [Blog](https://ohmyapps.com/blog): Articles and tutorials for OhMyApps products and the online tools library. - [About](https://ohmyapps.com/about): Background on Ewan Xiao, OhMyApps, and the personal story behind the site. - [Contact](https://ohmyapps.com/contact): Ways to contact Ewan Xiao for app feedback, collaboration, and support. - [Editorial Policy](https://ohmyapps.com/editorial-policy): How OhMyApps handles authorship, source selection, tool and product checks, AI-assisted workflows, updates, and corrections. ## Product Pages - [OhMyStar](https://ohmyapps.com/products/ohmystar): The best way to organize your GitHub Stars Category: macOS App. A powerful macOS app that helps developers organize, categorize, and search through their GitHub starred repositories with ease. Never lose track of that useful library again. - [Ghost Image Hub](https://ohmyapps.com/products/ghost-image-hub): Find and reuse images from your Ghost blog Category: Chrome Extension. A Chrome extension that makes it easy to find and reuse images from your Ghost blog. Search by filename, alt text, or source post, sync your entire blog, and insert images directly into the Ghost editor. - [ConvertNumber](https://ohmyapps.com/products/convertnumber): Learn how numbers are written and spoken across languages Category: iOS App. An iOS language-learning calculator for seeing and hearing numbers in different languages. Calculate normally, view the result written out in the selected language, play spoken pronunciation, and reuse recent calculations from local history. - [TirzeTracker](https://ohmyapps.com/products/tirzetracker): Track tirzepatide injections and weight progress privately Category: iOS App / Android App. A private, local-first mobile tracker for people using tirzepatide as part of a healthcare-guided weight management plan. Record weekly injections, monitor weight and BMI, view progress charts, set reminders, and export your own records as CSV. - [Hi IPTV Player](https://ohmyapps.com/products/hi-iptv-player): M3U IPTV player with iCloud sync Category: iOS App / macOS App. Hi IPTV Player, also called HiPlayer, is a private M3U and M3U8 playlist player for iPhone, iPad, Mac, and Apple TV. Add your own playlist, EPG, logo, and stream sources, protect selected playlists with a PIN, and sync saved app data through your private iCloud storage. - [BambinoTrack Baby Tracker](https://ohmyapps.com/products/bambinotrack): Offline-first baby care logs for feeds, diapers, sleep, growth, vaccines, and reminders Category: iOS App. A local-first iOS tracker for parents and caregivers. Log feeding, diapers, sleep, growth, vaccines, activities, reminders, and notes, then review daily summaries, timeline history, growth charts, and upcoming care items without creating an account. - [MysticLens - AI Face Reading](https://ohmyapps.com/products/mysticlens): Face Scan & Destiny Report Category: iOS App / Android App. A mobile entertainment app for Android and iOS inspired by traditional Chinese face reading and bazi culture. Scan your face on-device, review a structured face-reading report, then optionally add name and birth time details for an AI-generated destiny report. - [CleanUpPro - 2026](https://ohmyapps.com/products/cleanuppro-2026): Photo, video, and contact cleaner for iOS Category: iOS App. A privacy-first iOS cleanup app that helps reclaim storage by finding duplicate photos, compressing large videos, and merging duplicate contacts. Photos, videos, contacts, and scan results are processed on-device. - [KiraSpark: Sparkle Camera](https://ohmyapps.com/products/kiraspark): Glitter photo effects without a heavy editor Category: iOS App. A minimal iOS sparkle camera for adding bright star glints to jewelry, glass, decorations, night lights, product shots, selfies, and everyday moments. Use the live camera or import a photo, adjust sparkle intensity, then save or share a JPEG with local-first processing. - [15 Words // 30 Seconds](https://ohmyapps.com/products/15-words-30-seconds): Think fast and type faster Category: TikTok Mini Game. Match each prompt with valid English words, race to complete 15 words in 30 seconds, practice tricky word patterns, and share your final score. Built as a fast, replayable TikTok Mini Game. - [Pixel Rift](https://ohmyapps.com/products/pixel-rift): Fast pixel brick-breaker rounds built for TikTok Category: TikTok Mini Game. A free, casual pixel-art brick breaker that runs inside the TikTok app as a TikTok Mini Game. Drag the paddle, chain combos to trigger Pixel Fever, and play hand-crafted levels, an endless mode, and a date-seeded daily challenge with no account and no purchases. - [KiwiPlates](https://ohmyapps.com/products/kiwiplates): AI-Powered NZ License Plate Search Terminal Category: Web. Search and explore New Zealand license plate combinations with AI-generated ideas and meanings. Check availability, discover plate ideas, and find the perfect personalized plate with a fast, intuitive interface. - [Inwood Furniture](https://ohmyapps.com/products/inwood-furniture): Custom handcrafted solid timber furniture website Category: Web. A showcase website for Inwood Furniture, a Papakura-based custom furniture maker specializing in handcrafted solid timber pieces. Features elegant project galleries, workshop process documentation, and inquiry forms for bespoke staircases, tables, and interior pieces. - [Hi My Coach](https://ohmyapps.com/products/himycoach): Practice English speaking every day with an AI coach Category: Web. Hi My Coach builds a daily plan of words, grammar, and expressions, guides a ChatGPT Voice speaking session, and tracks what you actually said so your next practice session can adapt to your learning progress. ## Tool Category Hubs - [Developer Tools](https://ohmyapps.com/tools/developer): Free browser-based developer tools for JSON, JWT, regex, Base64, SQL, cURL, UUIDs, hashes, timestamps, and API debugging. Includes 50 indexed tools. - [Text Tools](https://ohmyapps.com/tools/text): Free online text tools for word counting, case conversion, text diffing, slug generation, cleanup, sorting, reversing, and writing utilities. Includes 36 indexed tools. - [SEO Tools](https://ohmyapps.com/tools/seo): Free SEO tools for meta tags, robots.txt, XML sitemaps, SERP previews, canonical URLs, schema markup, hreflang, and crawl diagnostics. Includes 22 indexed tools. - [Math & Number Tools](https://ohmyapps.com/tools/math): Free calculators and number tools for percentages, averages, statistics, ratios, fractions, number bases, matrices, exponents, and conversions. Includes 26 indexed tools. - [Design & Color Tools](https://ohmyapps.com/tools/design): Free design tools for color palettes, contrast checking, gradients, CSS shadows, border radius, typography scales, and layout snippets. Includes 27 indexed tools. - [Productivity Tools](https://ohmyapps.com/tools/productivity): Free productivity tools for timers, planners, checklists, QR codes, note taking, date math, time zones, habit tracking, and quick decisions. Includes 35 indexed tools. - [Finance Tools](https://ohmyapps.com/tools/finance): Free finance calculators for compound interest, loans, mortgages, rent versus buy, debt payoff, retirement, net worth, and NZ PAYE take-home pay. Includes 27 indexed tools. ## Featured Tools - [JSON Format/Validate](https://ohmyapps.com/tools/json-format-validate): Validate JSON syntax, format with custom indentation, detect errors with helpful messages, and view formatted output with syntax highlighting. - [Regex Tester](https://ohmyapps.com/tools/regex-tester): Test regular expressions against sample text with real-time matching, capture groups, and a handy regex cheat sheet. - [JWT Decoder](https://ohmyapps.com/tools/jwt-decoder): Paste a JWT token to decode and inspect its header, payload, and signature. View claims like expiration time, issuer, and custom data without needing a secret key. - [Word Counter](https://ohmyapps.com/tools/word-counter): Analyze text to get word count, character count (with and without spaces), sentence count, paragraph count, and estimated reading time. Perfect for writers, students, and content creators. - [Case Converter](https://ohmyapps.com/tools/case-converter): Convert text between different case formats: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, Sentence case, lowercase, and UPPERCASE. - [Text Diff](https://ohmyapps.com/tools/text-diff): Compare two pieces of text side by side and see exactly what was added, removed, or changed. Useful for comparing code versions, document revisions, and content updates. - [Meta Tag Generator](https://ohmyapps.com/tools/meta-tag-generator): Create optimized meta tags for your web pages including title, description, keywords, robots, viewport, and charset. Copy the generated HTML and paste it into your page head. - [Robots.txt Generator](https://ohmyapps.com/tools/robots-txt-generator): Create a robots.txt file to control how search engine crawlers access your website. Add rules for different user agents, allow/disallow paths, and specify your sitemap URL. - [Sitemap XML Generator](https://ohmyapps.com/tools/sitemap-generator): Create XML sitemaps to help search engines discover and index your web pages. Add URLs with priority, change frequency, and last modified date. - [Percentage Calculator](https://ohmyapps.com/tools/percentage-calculator): Calculate percentage of a number, percentage change between two values, what percentage one number is of another, and percentage increase/decrease. Multiple calculation modes in one tool. - [Color Palette Generator](https://ohmyapps.com/tools/color-palette): Generate beautiful color palettes from any base color. Create complementary, analogous, triadic, split-complementary, and monochromatic palettes with export options. - [Color Contrast Checker](https://ohmyapps.com/tools/contrast-checker): Check the contrast ratio between text and background colors for WCAG 2.1 compliance. See if your color combination passes AA and AAA standards for normal and large text. - [CSS Gradient Generator](https://ohmyapps.com/tools/gradient-generator): Design beautiful CSS gradients with a visual editor. Choose colors, direction, and type (linear or radial), see a live preview, and copy the CSS code. - [Pomodoro Timer](https://ohmyapps.com/tools/pomodoro-timer): Use the Pomodoro technique to boost productivity. Work in focused 25-minute sessions followed by 5-minute breaks. Customizable work/break durations with audio notifications. - [QR Code Generator](https://ohmyapps.com/tools/qr-code-generator): Generate QR codes for any URL, text, email, phone number, or Wi-Fi credentials. Customize size and download as PNG or SVG for printing or digital use. - [Date Calculator](https://ohmyapps.com/tools/date-calculator): Calculate calendar days, inclusive days, business days, and weeks between two dates. Or move forward or backward from a start date by days, business days, weeks, or months. - [Compound Interest Calculator](https://ohmyapps.com/tools/compound-interest): Calculate how your money grows with compound interest. Enter principal, rate, time, and compounding frequency to see total amount, interest earned, and a growth chart. - [Loan Calculator](https://ohmyapps.com/tools/loan-calculator): Calculate monthly loan payments, total interest, and total cost for any loan amount, interest rate, and term. See a payment breakdown with principal vs. interest over time. - [Average & Mean Calculator](https://ohmyapps.com/tools/average-calculator): Enter a set of numbers to calculate the arithmetic mean, median, mode, range, and sum. Handles large datasets with comma or space-separated input. - [Standard Deviation Calculator](https://ohmyapps.com/tools/standard-deviation): Calculate population and sample standard deviation, variance, and other statistical measures for a dataset. Shows step-by-step calculations. - [Mortgage Calculator](https://ohmyapps.com/tools/mortgage-calculator): Calculate your monthly mortgage payment based on loan amount, interest rate, and term. See total interest paid, amortization breakdown, and compare different scenarios. ## In-depth Guides - [JWT Decoder Guide: Read Token Claims Safely](https://ohmyapps.com/blog/how-to-use-jwt-decoder): A beginner guide to decoding JWT headers and payloads, checking common claims, understanding expiration, and avoiding security mistakes. - [Regex Tester Guide: Debug Patterns Without Guesswork](https://ohmyapps.com/blog/how-to-use-regex-tester): Learn how to test regular expressions with sample text, flags, live matches, capture groups, and beginner-friendly debugging habits. - [Robots.txt Generator Guide: Control Crawlers Carefully](https://ohmyapps.com/blog/how-to-use-robots-txt-generator): Learn how to create robots.txt rules, add sitemap hints, avoid blocking important pages, and understand what robots.txt can and cannot do. - [NZ PAYE Calculator 2026-27: Estimate Take-Home Pay in New Zealand](https://ohmyapps.com/blog/how-to-use-nz-paye-calculator): Estimate New Zealand take-home pay with PAYE, ACC, KiwiSaver, student loan, and IETC, with official IRD and ACC source links and limitations. - [XML Sitemap Generator Guide: Help Crawlers Find Pages](https://ohmyapps.com/blog/how-to-use-sitemap-generator): Learn how to create XML sitemap entries, choose canonical URLs, set last modified dates, and avoid common sitemap quality mistakes. - [Ghost Image Hub Guide: Lightweight Image Workflow](https://ohmyapps.com/blog/how-to-use-ghost-image-hub): Learn how Ghost Image Hub supports lightweight image organization, product references, visual asset planning, and focused alternatives to heavy asset tools. - [Color Contrast Checker Guide: Readable Text for WCAG](https://ohmyapps.com/blog/how-to-use-contrast-checker): A practical guide to checking text and background color contrast, understanding AA and AAA results, and fixing hard-to-read UI colors. - [QR Code Generator Guide: Make Codes People Can Scan](https://ohmyapps.com/blog/how-to-use-qr-code-generator): Learn how to create readable QR codes for URLs and text, choose size and colors, test scanning, and avoid common print mistakes. - [JSON Formatter and Validator Guide: Fix, Read, and Share JSON](https://ohmyapps.com/blog/how-to-use-json-format-validate): A practical beginner guide to formatting, validating, debugging, and safely sharing JSON snippets with the free OhMyApps JSON formatter. ## Site Policies - [Privacy Policy](https://ohmyapps.com/privacy): Site-wide privacy policy for OhMyApps applications and services. - [Terms of Service](https://ohmyapps.com/terms): Terms governing use of OhMyApps applications and services. ## Optional - [Complete llms.txt map](https://ohmyapps.com/llms-full.txt): Extended product, tool, policy, official-link, and indexable-guide map. - [Sitemap index](https://ohmyapps.com/sitemap-index.xml): Machine-readable sitemap index for all crawlable pages generated by Astro. - [Robots policy](https://ohmyapps.com/robots.txt): Crawler access policy and sitemap reference for the site. - [RSS feed](https://ohmyapps.com/rss.xml): Recent OhMyApps blog posts in RSS 2.0 format for feed readers and crawler discovery.