Utility

Create professional invoices in seconds — fill in your details, add line items, and download a clean PDF. Everything runs in your browser; no data is sent to any server. ...

Enter two strings and instantly calculate their edit distance — how many single-character insertions, deletions, or substitutions it takes to transform one into the other. Visualize the full DP matrix, trace the edit path, and run batch comparisons. Everything runs in your browser with no server, no sign-up, no tracking. Single Pair Batch Mode String A String B Calculate ⇆ Swap Clear Case-sensitive Show DP matrix — Edit Distance — Similarity 0 Insertions 0 Deletions 0 Substitutions Similarity Step-by-step Edit Operations Dynamic Programming Matrix (highlighted cells = optimal path) Batch Compare Enter one pair per line, separated by a comma: word1,word2 ...

Basic SEO Tags Page Title (recommended: 50–60 chars) 0 / 60 Meta Description (recommended: 120–160 chars) 0 / 160 Keywords (comma-separated) Author Indexing index noindex Link Following follow nofollow Open Graph Tags og:title og:type website article product video.movie music.song book og:description og:url (canonical URL) og:image URL Twitter Card Tags twitter:card summary_large_image summary app player twitter:title twitter:image URL twitter:description Google SERP Preview https://example.com/page Your Page Title Your meta description will appear here. Make it compelling and within 160 characters for best results. Social Share Preview Facebook / Open Graph og:image preview example.com Your OG Title og:description will appear here. Twitter / X Card twitter:image preview Your Twitter Title twitter:description will appear here. example.com Generated HTML Copy Related: Generate favicons → Favicon Generator Related Tools Html Beautifier Html Entity Converter Html Entity Encoder ...

Create soft UI shadow effects with full control over distance, blur, intensity, shape type, and border radius. Pick a background color and the generator automatically calculates the correct light and dark shadows for a perfect neumorphic look. Copy the CSS in one click. Soft Card Button Circle Input Field Toggle Switch Controls Background Color ...

Online Metronome 120 BPM Moderato Tempo Start Tap Tempo Time Signature 2/4 4/4 3/4 6/8 Volume 80% Tempo Reference Largo40 – 59 BPMVery slow, broad Andante60 – 85 BPMWalking pace Moderato86 – 140 BPMModerate Allegro141 – 180 BPMFast, lively Presto181 – 220 BPMVery fast Related Tools Pomodoro Timer Stopwatch Countdown Timer Focus Noise Generator Related Tools Noise Generator ...

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 ...

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. ...

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 ...

Settings Dimensions (px) × Presets Common 150×150 300×250 400×300 800×600 1200×630 1920×1080 Social Media FB Cover Twitter Header Instagram Post Instagram Story LinkedIn Post YouTube Thumb Ad Banners Leaderboard Half Page Skyscraper Mobile Banner Full Banner Background Color Text Color Custom Text (leave blank for auto) Font Size (px) 0 = auto Preview 300 × 250 px Download PNG Copy Data URL Copied! Related Free Tools Color Contrast Checker Favicon Generator Base64 Image Encoder Aspect Ratio Calculator CSS Gradient Generator

Website Information Website Name * Website URL * Contact Email * Company / Owner Name (optional) Last Updated Date Auto-filled with today's date. Adjust if needed. Data Types Collected Personal Information Cookies & Tracking Usage Analytics Third-Party Services Payment Information Location Data Compliance Options GDPR (EU) CCPA (California) COPPA (Children's Privacy) Third-Party Services Used Google Analytics Google AdSense Stripe PayPal Mailchimp Social Media Plugins Generate Privacy Policy ...