Useful Tools. A Simpler Internet.

🔁 Image Format Converter (JPG, PNG, WebP, HEIC to JPG) A no-signup browser image converter that turns JPG, PNG, WebP and HEIC/HEIF files into JPG, PNG or WebP with quality and size control — for anyone in the Gulf/Arabic-speaking market who just needs a file that opens everywhere, without uploading to an unknown site. Assumed from the literal keyword (برنامج تشغيل محول الصور = "image converter program"): a generic format converter, not a branded product clone. EN

⚡ Code 128 Barcode Generator A browser-only Code 128 / 128A / 128B / 128C barcode generator that turns any short ASCII string into a correct, scannable SVG or PNG with valid mod-103 checksum, auto subset selection and adjustable module width — built for shop owners, warehouse/logistics staff and developers in DE/EU who need a printable label right now. Assumed generic Code 128 symbology, not any branded barcode service. EN

🛠 Online Word Counter And Character Counter A live word, character, and reading-time counter for writers, students, and social-media posters who need exact limits (X/Twitter, meta descriptions, school essays) as they type — no signup, no paste round-trip. EN 🛠 Online Title Case Converter Paste text and get properly title-cased output that can be copied with one click. EN 🛠 Free Audio Converter Kostenlos Deutsch Audio kostenlos im Browser umwandeln: eine Audiodatei ablegen, Zielformat (MP3 oder WAV), Bitrate, Abtastrate und Kanäle wählen und die fertige Datei herunterladen — ohne Anmeldung, ohne Upload, ohne Wasserzeichen. EN 🛠 Free Audio To Mp3 Converter Online Mp4 A no-upload, no-account web page that pulls the audio track out of an MP4/video (or any audio file) and saves it as a real .mp3 at your chosen bitrate — for anyone who needs an MP3 fast without installing VLC or handing a file to a random server. EN 🛠 Domain Age Checker Online Paste any domain and see instantly how old it is, when it was registered, and whether it looks trustworthy — a 20-second vetting tool for anyone who received a link, offer, or cold email. EN 🛠 House Floor Plan Generator Free Free browser tool that turns a plot size plus a room wishlist into a labelled, to-scale 2D schematic floor plan (SVG) with a room-area schedule — for German self-builders and tenants sketching a layout before talking to an architect. Generic schematic-plan utility, not permit-ready architecture. EN 🛠 Générateur De Grille Loto Excel Générateur de grilles Loto FR et EuroMillions sans compte : 1 à 200 grilles aléatoires filtrées (somme, parité, numéros consécutifs) puis téléchargement immédiat en fichier CSV Excel, .xls ou texte. EN 🛠 Random Number Generator Wheel App A browser-based spinning wheel that visually picks a random number (or one of your own custom entries) — for teachers, streamers, and anyone settling a decision in front of an audience. EN 🛠 Random Word Combo Generator Mash 2-4 random words into deduplicated names, handles and brainstorm prompts. Built-in adjective + noun pool or your own pasted list, five naming styles, filters, one-click copy and .txt download - all in the browser. EN 🛠 JSON Formatter & Validator A private, zero-upload JSON workbench: paste JSON, get it beautifully indented or minified, or get a precise human-readable error with line and column — instantly, entirely in the browser. EN 🛠 Song Bpm And Key Calculator Drop in an audio file and get its tempo (BPM) and musical key in seconds — a browser-only analyzer for DJs, producers, musicians and playlist builders who need track metadata without uploading their music anywhere. EN 🛠 Simple Free Collage Maker Download A no-signup browser collage maker that turns 2-12 photos into a clean, downloadable grid image in under a minute - no app install, no watermark, no account. EN 🛠 Online Collage Maker Free Without Login A free, no-signup browser collage maker that stitches 2–9 of your own photos into one downloadable image — everything happens on-device, nothing is uploaded. Assumed generic utility (not a clone of any branded collage product). EN 🛠 Free Online Twitch Overlay Maker A free, no-signup Twitch overlay builder that renders a transparent 1920×1080 PNG stream overlay (webcam frame, chat box, alert panel, top bar) in the browser — no account, no watermark, no upload to a server. EN 🛠 AI Flashcard Generator A free, no-signup flashcard maker that turns pasted notes or a topic line into a study-ready question/answer deck in seconds. Everything — key-point extraction, deck building, flipping, editing and export — runs fully in the browser, so cards appear instantly with no upload, no account and no cost. The landing page leads with the CTA "Create Flashcards with AI" and the promise "Turn your notes into study flashcards in seconds." EN 🛠 Box Mockup Generator A free, no-signup browser tool that turns any uploaded artwork into a realistic 3D packaging box mockup in seconds — pick a box type, tint it, drop your design on the front face, and export a watermark-free HD PNG (transparent background supported). Everything renders locally in the browser; no files ever leave the device. EN 🛠 T-Shirt Mockup Generator A free, no-signup browser tool that instantly turns any uploaded artwork into a realistic front-view T-Shirt mockup and exports a high-resolution, watermark-free PNG — the whole render loop happens on the visitor's device, so nothing is uploaded and nothing costs money. EN 🛠 Facebook Post Mockup Generator A free, no-login browser tool that renders a pixel-faithful Facebook feed post mockup from simple form fields and exports it as a high-resolution PNG — so social media managers and small brands can preview or pitch creatives without opening Facebook or Photoshop. EN 🛠 Instagram Post Mockup Generator 面向社媒运营、小商家、内容创作者与自由设计师的免费 Instagram Feed 帖子样机生成器：上传图片 + 填写文案，浏览器内实时渲染完整 Instagram 帖子 UI，一键导出无水印高清 PNG（支持透明背景）。全程纯前端、免登录、免注册、无付费墙、图片不上传服务器。 EN 🛠 Facebook Ad Mockup Generator A free, no-login, no-watermark browser tool that turns plain ad copy and an image into a pixel-accurate Facebook Feed ad mockup, previewed live and downloadable as a high-resolution PNG (white, light gray, dark, or transparent background). EN 🛠 Instagram Profile Mockup Generator A free, no-signup, no-watermark browser tool that turns a brand's profile details and up to 9 post images into a realistic, pixel-faithful 1080×1080 Instagram profile mockup and downloads it as PNG in under a minute — 100% client-side, nothing uploaded, nothing stored. EN 🛠 Compress Video Online Under 10mb Compress a video under 10 MB right in your browser: pick a clip, set the target size, and re-encode it locally. No upload, no watermark, no sign-up. EN 🛠 JPEG XL Converter 免费、免注册的在线 JPEG XL 转换器：把 JPG / PNG / WebP 一键转成体积更小的 .jxl，并当场给出前后体积对比。针对 Chrome 原生支持 JPEG XL 后的搜索热潮（jpeg xl converter / jpg to jxl / jxl vs webp），不做画廊、不做云盘，只做“上传→转好→下载”这一个闭环动作。 EN 🛠 AI Water Cost Calculator Estimate the money, litres of water, kilowatt-hours and CO2 emissions behind any LLM workload. Pick a model, enter total tokens and number of requests, and get an instant browser-side order-of-magnitude answer from a static per-model coefficient table. EN 🛠 Vacation Day Optimizer A one-screen calculator that turns a country's public holidays plus your annual leave allowance into the longest possible stretch of consecutive days off — no signup, no calendar syncing, instant answers for the top 3 leave windows of the year. EN 🛠 Timezone Overlap Finder A single-screen timezone overlap calculator that shows the shared working window between two zones and ranks the best meeting slots — no signup, no account, instant in the browser. EN 🛠 Hex To ASCII Converter Browser-side bidirectional hex/text codec: paste a hex string or plain text, let the direction be detected automatically, and convert instantly between ASCII, UTF-8 and Latin-1 while invalid bytes (odd length, non-hex characters, broken UTF-8 sequences) are highlighted. No upload, no account, no network requests — data never leaves the browser. EN 🛠 llms.txt Generator A free, no-signup generator that turns three plain facts about a site (name, URL, allowed section paths) into a ready-to-upload llms.txt file plus a matching AI-crawler robots.txt snippet — the fastest way for a small site to be legible to answer engines and GEO/AEO audits. EN 🛠 تحويل من Jpg الى Gif A browser-only JPG→GIF studio: drop in one photo for a static GIF, or several JPGs to build an animated GIF with your own frame timing — no upload, no account, nothing leaves the device. Assumes the keyword means 'make a GIF out of my JPGs' (single-image static export plus multi-image animation), not a clone of any branded converter. EN 🛠 Bulk File Renamer Batch-rename local files in your browser with find & replace, sequential numbering and case rules — preview every new filename, then download all renamed files as one ZIP. No upload, no account. EN 🛠 Robots.txt & LLMs.txt Generator A one-screen generator that turns a domain, a few disallow paths and one AI-crawler policy choice into a ready-to-paste robots.txt plus a matching llms.txt starter file — no signup, no crawling, no build step. EN 🛠 Chinese Zodiac Calculator A single-screen calculator that turns any birth date (Gregorian or Chinese lunar) into its zodiac animal, heavenly stem and five-element sign, plus the exact dates of Chinese New Year and the user's next 本命年 — entirely offline in the browser. EN 🛠 Free Online Photo Resize Tool A no-upload, in-browser photo resizer that takes any JPG/PNG/WebP photo and returns an exact pixel size, an exact file size in KB, or a preset like passport or exam-form dimensions — built for people in India who need a photo to fit a form, not a full editor. EN 🛠 Free Programs To Resize Images A free browser-based image resizer that shrinks, enlarges, or converts JPEG/PNG/WebP photos in seconds — no signup, no upload to a server, works entirely on the user's device. EN 🛠 Tipword Tipword turns a bill and a few words into the correct tip plus a short, sincere thank-you note you can paste, text, or read out loud. Assumption: since the trend is a Product Hunt feed title with no known product behind it, we build the generic 'tip + words' utility — tip math plus a note generator — not a clone of any branded app. Built for US diners, delivery customers, and riders. EN 🛠 Free Wifi Qr Code Generator A free, no-signup browser tool that turns a Wi‑Fi network name and password into a scannable QR code guests can join with one tap — built for Indian cafés, salons, homestays and offices that want a printable 'Scan to connect' card. EN 🛠 Bill Generator Online Pdf A free browser-based bill/invoice maker that turns your line items into a clean, downloadable PDF in under a minute — for US freelancers, contractors, and small service businesses who need a one-off bill without signing up for invoicing software. EN 🛠 Free Coupon Maker Printable A no-signup browser tool that turns a plain offer into a printable, gift-worthy coupon (or a whole sheet of them) with live preview and one-tap print/save-as-PDF — for small business owners, teachers, parents, and anyone making a DIY gift or promo. Assumed 'coupon maker printable' means a generic printable-coupon generator, not a clone of any branded coupon app. EN