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Paste your URL or fill in the fields below to instantly preview how your page will appear when shared on Facebook, Twitter, LinkedIn, and in Google search results. Open Graph Properties Core Tags og:title 0 / 60 og:description 0 / 160 og:url og:image (URL) Recommended: 1200 × 630 px (1.91:1) · Min 600 × 315 px · Max 8 MB og:type website article product video.other music.song book profile og:site_name Twitter Card twitter:card summary_large_image (large image) summary (small square image) twitter:title (leave blank to use og:title) 0 / 70 twitter:description (leave blank to use og:description) 0 / 200 twitter:image (leave blank to use og:image) summary_large_image: 1200 × 628 px · summary: 144 × 144 px Generate HTML Meta Tags Clear All Image Dimension Guide Platform Recommended Size Ratio Max Size Facebook 1200 × 630 px 1.91:1 8 MB Twitter Large 1200 × 628 px ~1.91:1 5 MB Twitter Summary 144 × 144 px 1:1 5 MB LinkedIn 1200 × 627 px 1.91:1 5 MB Google (SERP) N/A (uses text) — — Title Character Limits PlatformTitleDescription Facebook OG~60 chars~160 chars Twitter~70 chars~200 chars LinkedIn~119 chars~300 chars Google SERP~60 chars~160 chars Tips Use HTTPS for all image URLs (HTTP may be blocked). Facebook caches OG data — use the Sharing Debugger to refresh. Twitter crawls images on first share. Images smaller than 144×144 px are ignored. LinkedIn has a 7-day cache — post a new URL to trigger a fresh crawl. Keep titles under 60 characters to avoid truncation in Google search. Avoid duplicate og:title and <title> tag values where possible. Live Previews Facebook No image URL provided example.com Your page title will appear here Your page description will appear here. Twitter / X No image URL provided example.com Your page title will appear here Your page description will appear here. LinkedIn No image URL provided Your page title will appear here example.com Google Search Result Your Site › example.com Your page title will appear here Your page description will appear here. Google may override this with page content it deems more relevant to the query. Generated HTML Meta Tags Copy to Clipboard Copied to clipboard! Related Tools Generate meta tags → Meta Tag Generator ...

A free tool to help you choose the right open source license. Answer a few questions to get a recommendation, compare licenses side by side, and copy ready-to-use license text. Related tools: Git Command Generator — Changelog Generator Wizard Compare All License Type Commercial Use Modify Distribute Patent Grant Private Use Copyleft Attribution Network Use ✕ ...

Enter your distance and time to instantly get your pace, speed, and projected race finish times — or work backwards from a target pace. Units: Metric (km) Imperial (mi) Pace from Distance + Time Time from Distance + Pace Distance from Pace + Time Calculate Pace Distance (km) Preset Distance — select — 5K 10K Half Marathon Marathon Time (h : min : sec) Hours Minutes Seconds Calculate Pace Calculate Finish Time Distance (km) Preset Distance — select — 5K 10K Half Marathon Marathon Pace (min : sec / km) Min Sec Calculate Time Calculate Distance Pace (min : sec / km) Min Sec Duration (h : min : sec) Hours Minutes Seconds Calculate Distance Results Clear / Reset Race Time Predictions Race Distance Predicted Time Pace Predictions assume constant pace. Actual race performance varies with terrain, weather, and fatigue. ...

Enter the size of each asset type on your web page, select your target connection speed, and instantly see your estimated load time, performance score, and tailored recommendations. Page Asset Sizes HTML (KB) CSS (KB) JavaScript (KB) Images (KB) Fonts (KB) Other (KB) Connection Speed 3G Slow (3 Mbps) 3G Fast / 4G (10 Mbps) WiFi (50 Mbps) Fiber (200 Mbps) Analyze Reset Total Page Weight — Est. Load Time — Largest Asset — — Optimization Recommendations Before / After Comparison Enter optimized sizes to see how much you can improve load time. ...

Paper Size Guide — Look up dimensions for ISO A, ISO B, and US paper sizes instantly. Toggle between mm, cm, and inches. Click any row to see a visual comparison and usage details. Unit: mm cm inches Series: All ISO A ISO B US Visual comparison — click a row to highlight a size Size Series Width Height Area Aspect Ratio Common Use About Paper Sizes ISO A Series: The A series is the most widely used internationally. A0 has an area of exactly 1 m² with an aspect ratio of 1:√2 (≈1:1.414). Each subsequent size (A1, A2…) is half the area of the previous. A4 is the global standard for documents, letters, and forms. ...

Generate strong, random passwords instantly — all processing happens in your browser. Nothing is sent to any server. Mode Random Pronounceable Passphrase Length Uppercase (A-Z) Lowercase (a-z) Numbers (0-9) Symbols (!@#$...) Exclude ambiguous (0/O, l/1/I) Exclude chars: Word count Capitalize words Append number Separator: Generate password(s) at once (max 20) Output Strength -- Click Generate Copy ↻ Generate Copy All History (session only) Clear No passwords generated yet. How It Works Passwords are generated entirely in your browser using the Web Crypto API (crypto.getRandomValues()), which produces cryptographically secure random values. No data is ever sent to a server. ...

Check how strong your password really is — entropy, estimated crack time, pattern detection, and improvement suggestions. All analysis runs locally in your browser; nothing is ever transmitted. Enter Password 👁 ⚠ This is one of the most commonly used passwords — avoid it! 🔒 All analysis is done locally. Your password never leaves your device. ...

Plan your retirement with confidence. Enter your details below to estimate your savings at retirement, monthly income, and whether you’re on track to meet your goals — no account required. Scenario Preset Conservative Moderate Aggressive Your Details Current Age Retirement Age Current Savings ($) Total already saved for retirement Monthly Contribution ($) Expected Annual Return (%) Expected Inflation Rate (%) Desired Monthly Income in Retirement ($) Life Expectancy Calculate ...

Phone Number Formatter & Validator Single Number Bulk Formatter Country Code Reference Phone Number Country United States (+1) Canada (+1) United Kingdom (+44) Japan (+81) Germany (+49) France (+33) Australia (+61) South Korea (+82) China (+86) India (+91) Brazil (+55) Mexico (+52) Italy (+39) Spain (+34) Netherlands (+31) Singapore (+65) Hong Kong (+852) Taiwan (+886) New Zealand (+64) South Africa (+27) International Copy National Copy E.164 Copy RFC 3966 Copy Digits Only Copy Country for all numbers United States (+1) Canada (+1) United Kingdom (+44) Japan (+81) Germany (+49) France (+33) Australia (+61) South Korea (+82) China (+86) India (+91) Brazil (+55) Mexico (+52) Italy (+39) Spain (+34) Netherlands (+31) Singapore (+65) Hong Kong (+852) Taiwan (+886) New Zealand (+64) South Africa (+27) Paste phone numbers (one per line) Format All Clear Copy Results Country dial codes, trunk prefixes, and typical number lengths for reference. ...

🖼️ Drop your photo here Supports JPEG, PNG, WebP, GIF — processed locally in your browser ...