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📥TikTok Video DownloaderParse public TikTok links and save available MP4 video or extract its audio. Resolution and watermark status depend on the source media stream.tiktok-downloader🎧TikTok MP3 Sound DownloaderExtract complete audio tracks and BGMs from public TikTok videos, preview them online and save MP3 when available. Bitrate depends on the source audio.tiktok-mp3-downloader🎵Suno AI Music DownloaderParse public Suno AI music links and retrieve available audio, artwork and lyrics. Formats and quality depend on the public source item.suno-downloader🎬Suno AI Video DownloaderParse public Suno links and save available MP4 music videos. Resolution, captions and availability depend on the source item.suno-video-downloader🤖AI Prompt & System Prompt GeneratorStructure and optimize system prompts for DeepSeek, Claude, and ChatGPT with code review, translation and content templatesprompt-generator📐AI Image Ratio & Resolution CalculatorCalculate exact pixel resolution, aspect ratios and --ar parameters for Midjourney, Flux.1, and SDXL image generatorsai-image-ratio🛡️Photo Exif & GPS Privacy Cleaner100% in-browser removal of photo GPS locations, device models, exposure and Exif privacy metadataexif-cleaner🛡️Claude Env Scanner & Region CheckerCheck browser timezone, system locale, language, and font fingerprints to detect Claude region blocking or account ban risks, helping you secure proxy configurations.claude-env-check🩺Claude Proxy Network Checker (Exit IP & Timezone)Detect your real exit IP and region, cross-check it against system timezone, language and WebRTC leaks to find proxy exposure points and reduce Claude ban riskclaude-net-check🧮AI Token Counter & Cost EstimatorEstimate token counts locally and compare API costs across Claude, GPT, Gemini and DeepSeek modelstoken-counter💰LLM API Pricing ComparisonCompare input/output/cached prices, context windows and blended cost across Claude, GPT, Gemini and DeepSeekllm-pricing🔧Tool & Function Schema ConverterConvert between Claude tool, OpenAI function, Gemini functionDeclaration and JSON Schema — with strict modetool-schema-converter🖼️Multimodal Vision Token CounterCalculate image tile vision tokens and API cost for GPT-4o, Claude 3.5 Sonnet and Gemini 1.5vision-token-counter🛡️System Prompt Anti-Leak & Jailbreak AuditorAudit system prompt robustness against 20+ LLM injection patterns and auto-patch structural directivesprompt-leak-tester🔑JWT ParserDecode and parse JWT tokens offlinejwt-parser⏰Cron GeneratorGenerate and parse Cron expressions with execution schedule previewcrontab-generator⌨️Keycode InfoGet keyboard event key, code, and keycode detailskeycode-info📱User Agent ParserParse User Agent strings to identify browser, OS, and deviceuser-agent-parser🔒Bcrypt GeneratorGenerate and verify Bcrypt password hashesbcrypt🔑HMAC GeneratorCompute HMAC signatures (SHA256/512) for messageshmac-generator🌐IPv4 Subnet CalculatorCompute subnet mask, network range, usable IPs and binary formatipv4-subnet-calculator🐳Docker Compose ConverterConvert docker run commands to docker-compose.yml formatdocker-compose-converter🔒Chmod CalculatorCalculate Linux file/directory permission values and commandchmod-calculator🔑BIP39 GeneratorGenerate and verify multi-language BIP39 mnemonic phrasesbip39-generator🆔ULID GeneratorGenerate lexicographically sortable unique identifiersulid-generator🔗URL ParserParse URL structures and edit query parameters interactivelyurl-parser{ }JSON FormatterFormat, minify and validate JSONjson-formatter⏱Timestamp ConverterConvert between Unix time and datestimestamp%URL Encode/DecodeEncode / decode URL componentsurl-encoder01Base ConverterConvert between 2/8/10/16base-converterAaASCII TableLook up ASCII 0-127ascii-table⚑HTTP Status CodesCommon status codes referencehttp-status-codes⚄Password GeneratorGenerate secure random passwordsrandom-generator🐳Docker CommandBuild a docker run commanddocker-generator🪟Windows CommandsGenerate common Windows commandswin-cmd-generator🐧Linux CommandsGenerate common Linux commandslinux-cmd-generator64Base64 Encode/DecodeConvert text to/from Base64base64⇄Unit ConverterConvert length, weight, temperature…unit-converter▦QR Code GeneratorTurn text or links into a QR codeqr-code📶WiFi QR CodeGenerate a QR code to connect to your WiFi networkwifi-qr-code-generator🖼️SVG PlaceholderGenerate and download custom SVG placeholder imagessvg-placeholder-generator🎨Color ConverterConvert between HEX / RGB / HSLcolor-converter🗜️Image CompressorCompress images locallyimage-compressor🖼️Image ConverterConvert PNG / JPG / WebPimage-converter✂️AI Background RemoverOne-click AI cutout in your browser — no uploadbackground-remover🪪ID Photo MakerAuto cutout, bg swap & standard ID sizesid-photo-maker🖼️Screenshot BeautifierAdd gradient background, rounded corners & shadowscreenshot-beautifier✍️Signature PadDraw a signature, export PNGsignature💧Screen Color PickerSample any color on screenscreen-color-picker⊞Grid SplitterSplit an image into tiles, zip themgrid-splitter📄Images to PDFCombine images into one PDFimage-to-pdf🗂️ZIP ExtractorUnzip locally and download filesarchive-extractor字Word CounterCount characters, words, linesword-counterM↓HTML ⇄ MarkdownConvert between HTML and Markdownhtml-markdownAaCase ConverterConvert strings between camelCase, snake_case, kebab-case etc.case-converter📋List ConverterConvert simple lists into JSON arrays, SQL IN lists, or CSVslist-converterhtmlHTML EntitiesEncode and decode HTML entity character representations safelyhtml-entities📖Stealth ReaderBlog-disguised TXT novel readerdoc-reader🔊Text to SpeechRead text aloudtext-to-speech⚖️BMI CalculatorCalculate body mass indexbmi⏲️StopwatchTiming with lapsstopwatch📅Day CounterDays to / since a dateanniversary🏦Loan CalculatorMonthly payment, total interest and full amortizationloan-calculator%Percentage CalculatorX% of Y, ratios and percent changepercentage-calculator🏷️Discount CalculatorSale price and savings, with stacked discounts and taxdiscount-calculator🧾Tip CalculatorTip and total by rate, split across peopletip-calculator🧮Sales Tax CalculatorUS state sales tax, with tax-inclusive reverse modesales-tax-calculator📈Compound Interest CalculatorCompound growth with optional monthly contributionscompound-interest-calculator🎓GPA CalculatorCalculate overall and semester GPA with course grades, credits and various grading scales (4.0, 4.3, 5.0, WES).gpa-calculator🔥BMR & TDEE CalculatorCompute Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with Mifflin-St Jeor & Harris-Benedict formulas.bmr-calculator🏡Mortgage Refinance CalculatorCompare your current mortgage with refinance options to find monthly savings, total interest saved, and the break-even period.mortgage-refinance-calculator⚡Reaction TestTest your reaction timereaction-test🍜What to EatDecide what to eatwhat-to-eat🔀Text DiffHighlight line-by-line differencestext-diff.*Regex TesterTest regex matches and groups liveregex-tester🆔UUID GeneratorGenerate UUID v4 in bulkuuid📊Byte CalculatorConvert B / KB / MB / GBbyte-calc🌐PunycodeIDN domain ⇄ Punycodepunycode#HashMD5 / SHA-1 / SHA-256…hash🔐AES EncryptAES-256-GCM with passwordaes🔑RSAGenerate keypair, encrypt/decryptrsa📎MIME TypesExtension ⇄ MIME lookupmime-type✦Special SymbolsSymbol library, click to copyspecial-symbols😀Emoji PickerEmoji by category, click to copyemoji🅰ASCII ArtTurn text into ASCII bannersascii-art🖼Image to Base64Image to DataURL / CSSimage2base64⭐Favicon MakerExport PNG icons of each sizefavicon💳ID Card CheckValidate & parse ID numbersid-card🎹Online PianoPlay with keyboard or mousepiano💬Filler TextTopic → long filler textbullshit-generator🔊Payment VoiceSpeak a payment-received linealipay-voice🧩Shape Recall GameRecreate random geometric shapes from memory by dragging, scaling, and rotatingshape-recall⏱️Time Memory GameTest your time perception by holding down a button to match system pulse durationstime-memory-game🎵Sound Memory GameTest your pitch memory by matching sound wave frequencies with a tone slidersound-memory-game繁Chinese ConvertSimplified ⇄ Traditional Chinesezh-convert{ }Code FormatterBeautify JS / JSON / CSS / HTMLcode-format📊UCharts BuilderCreate beautiful interactive charts from raw data grids locallyucharts📚Merge PDFCombine multiple PDFspdf-merge✂️Split PDFSplit PDF by page or rangepdf-split🗂️Organize PDFDelete / rotate / reorder pagespdf-organize🖼️PDF to ImageExport each page as PNGpdf-to-image🔒PDF PasswordAdd or remove PDF passwordpdf-encrypt🔲Image CropDrag to crop an imageimage-crop🎛️Image EffectsGrayscale / flip / border / pixelateimage-filter📷EXIF ViewerView & strip image metadataimage-exif👾Image to Pixel ArtConvert images locally into retro 8-bit pixel art stylesimage-to-pixel🧑Art Avatar GeneratorCustomize and generate beautiful vector avatars with SVG/PNG exportsart-avatar🌈CSS Gradient GeneratorVisually tune angle and color stops to preview and generate linear/radial gradient CSSgradient-generator⬛CSS Box-Shadow GeneratorVisually build multi-layer box-shadow and inset shadows with live preview and copyable CSSbox-shadow-generator🧊Glassmorphism GeneratorGenerate frosted-glass (glassmorphism) effects with backdrop-filter — tune blur/opacity/border and copy CSSglassmorphism-generator◐Contrast Checker (WCAG)Check foreground/background contrast against WCAG accessibility levels (AA/AAA) with a live readability previewcontrast-checker🗄️SQL FormatterBeautify SQL by breaking and indenting at major clauses and normalizing keyword casesql-formatter🧬JSON to TypesInfer TypeScript interfaces, Go structs or Python TypedDict from JSON, with nested types and array mergingjson-to-types🔢GPT Token CounterCount GPT-4o/4/3.5 tokens exactly with OpenAI's official BPE (o200k/cl100k) locally and estimate costgpt-token-counter🔃cURL to CodeConvert a curl command into JS fetch / axios / Python requests / Go code, detecting method, headers and JSON bodycurl-converter⊞Markdown Table GeneratorEdit tables visually and generate Markdown table code, with per-column alignment, add/remove rows and columnsmarkdown-table📄Lorem Ipsum GeneratorGenerate classic Lorem Ipsum placeholder text by paragraphs, sentences or words for layout mockupslorem-ipsum☰Text Line ToolsDedupe, sort, drop blanks, trim and reverse text by line — batch-clean text with live togglestext-lines🔄Data ConverterConvert CSV / JSON / XMLdata-converter📜Privacy Policy GeneratorGenerate an English privacy policy for App Store / Google Play / Stripe with GDPR / CCPA clausesprivacy-policy-generator💳Test Card Numbers & Luhn CheckValidate card numbers (Luhn) and brand, generate valid test numbers, and list common gateway test cardscard-test-numbers🧾Stripe Fee & Net CalculatorCompute Stripe fees and net payout, reverse-solve the charge for a target net, plus international / FX surchargesstripe-fee-calculator💱Multi-Currency & Charm PricingConvert one base price to many currencies with .99 / round charm pricing for global pricing pages; editable rates, offlinecurrency-pricing🌍VAT / GST CalculatorLook up VAT/GST standard rates by country and convert net ⇄ gross for cross-border invoicingvat-calculator💳Stripe vs Lemon Squeezy vs Paddle ComparisonCompare net payout, MoR global tax filing and processing fees between Stripe, Lemon Squeezy and Paddlepayment-comparison🌐Purchasing Power Parity (PPP) Pricing CalculatorCalculate localized PPP discount pricing for 40+ countries based on World Bank indices and export JSONppp-calculator🌐DNS LookupQuery A / AAAA / MX / TXT / NS / CNAME / CAA records via Cloudflare DNS-over-HTTPS, right in your browserdns-lookup📧Email Deliverability Check (SPF/DKIM/DMARC)Check a domain's SPF, DKIM and DMARC records with fix-it advice to improve inbox placement for outbound mailemail-deliverability🚀Deploy Config GeneratorGenerate _headers / _redirects (Cloudflare Pages / Netlify) and vercel.json — SPA fallback, security headers, caching, redirectsdeploy-config🔓CORS Config GeneratorConfigure CORS headers visually and generate Express / Nginx / Cloudflare Worker snippets, with credentials/wildcard warningscors-generator🤖robots.txt GeneratorBuild robots.txt from per-user-agent groups with Allow/Disallow, Crawl-delay, Sitemap and one-click AI-crawler blockingrobots-generator🗂️i18n JSON CheckerDiff two locale JSON files for missing/extra keys and placeholder mismatches — essential for frontend i18ni18n-checker🔖hreflang Tag GeneratorGenerate hreflang and x-default tags for multilingual sites (subdir / subdomain / query strategies) to avoid duplicate contenthreflang-generator🕒Timezone Meeting PlannerFrom your local time, see the same moment across US/EU/Asia zones with day-offset — for scheduling meetings and launchestimezone-meeting🔗UTM Link BuilderBuild UTM-tagged tracking URLs with consistent source/medium/campaign naming for ads, email and social attributionutm-builder🖼️Open Graph Meta GeneratorGenerate Open Graph and Twitter Card meta tags with a live social-card preview for rich link previews on Facebook, X and chat appsog-meta-generator💵Currency ConverterConvert 30+ currencies at live mid-market rates with edge caching and offline fallback — for global pricing and expensescurrency-converter

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Last updated: 2026-09-22
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