🇬🇧 English🇪🇸 Español🇫🇷 Français🇩🇪 Deutsch🇸🇦 العربية🇧🇷 Português
🚀 Explore All Tools
🧮Calculators7 tools
🎂Free Age Calculator Online — Exact Age, Days & ZodiacCalculate exact age in years, months, days — with zodiac sign, birthday countdown, and chronological age tracker. Free, no sign-up.→📅Free Date Difference Calculator — Days Between DatesCount days, weeks, months between two dates with business days, weekends, and holiday presets. Free online, no sign-up, 100% private.→⏳Free Days Until Countdown — Event & Holiday TrackerCount down to birthdays, holidays & events. Live progress bar, multiple countdowns, shareable links — free online, no sign-up, 100% private.→🏖️Free Retirement Calculator — FIRE & Savings EstimatorPlan retirement with country presets, savings projections, FIRE number & financial freedom analysis. Free online, no sign-up, 100% private.→⚖️Free BMI Calculator Online — Body Mass Index TrackerCalculate BMI with visual gauge, ideal weight, body fat %, Ponderal Index & health risk analysis. Free online, no sign-up, 100% private.→📊Free Percentage Calculator — Find % of Number & TipsCalculate percentages instantly — find % of a number, percentage change, tips, discounts & ratios. Free online, no sign-up, 100% private.→📐Free Unit Converter — Length, Weight & MoreConvert between units instantly — length, weight, temperature, area, volume, speed, time, digital, pressure, energy. Free online, no sign-up.→
💻Dev Tools8 tools
🎨Free Color Picker — Hex Finder & Palette GeneratorPick, convert & analyze colors — HEX, RGB, HSL, HSV, CMYK. Free online, no sign-up, 100% private client-side tool.→✏️Free Online Drawing Tool — Draw & SketchDraw, sketch & create art — brushes, shapes, colors, fill, undo/redo, export PNG. No sign-up, private & offline.→🔐Free Base64 Encoder & Decoder — Convert Text & FilesEncode & decode text/files in Base64. Free online, no sign-up, 100% private client-side tool.→📋Free JSON Formatter — Beautify, Minify & ValidateFormat, validate, minify, and view JSON in a tree. Free online, no sign-up, 100% client-side with syntax highlighting.→📱Free QR Code Generator — Custom QR with LogoGenerate custom QR codes instantly with presets (WiFi, vCard, Email), logo overlays, and styles. 100% free, no sign-up, client-side.→⏱️Free Unix Timestamp Converter — Epoch & Date ConverterConvert Unix timestamps to human-readable dates and vice versa. Free online, no sign-up, 100% private with timezone support.→🔐Free Hash Generator — Secure MD5 & SHA-256 OnlineGenerate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes with HMAC. Free online, no sign-up, 100% client-side.→📷Free QR Code Scanner — Camera & Image ScannerScan and decode QR codes instantly using your camera, image uploads, or clipboard. Free online, no sign-up, 100% private.→
🖼️Image Tools2 tools
🖼️Free Image Resizer — Batch Resize Photos & ImagesResize images instantly in your browser. Set dimensions, quality, format & aspect ratio. No sign-up, 100% client-side, no upload.→🗜️Free Image Compressor — Reduce JPEG, PNG & WebPCompress and reduce image file sizes instantly. Batch JPEG, PNG, WebP compression with custom quality. No sign-up, 100% client-side.→
⚡Utilities2 tools
⌨️Free Virtual Keyboard — Multilingual On-Screen LayoutVirtual keyboard with multi-language layouts — type in English, Spanish, French, German, Arabic, Portuguese. Free online, no sign-up.→🔑Free Password Generator — Secure & Random PasswordsGenerate strong, random passwords with customizable length, character types, passphrase mode, and entropy analysis. No sign-up, 100% client-side.→
📝Text Tools3 tools
🔤Free Case Converter — UPPERCASE, lowercase & camelCaseConvert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case. Free online, no sign-up.→📊Free Word Counter — Real-Time Character & Text AnalysisCount words, characters, sentences, paragraphs, reading time & more. Free online, no sign-up, 100% private.→📝Free Lorem Ipsum Generator — Placeholder & Dummy TextGenerate Lorem Ipsum placeholder text — paragraphs, sentences, words. Client-side, private, no sign-up.→
📋 View all tools on homepage →
🚀 Explore All Tools
🧮 Calculators 7
🎂Free Age Calculator Online — Exact Age, Days & ZodiacCalculate exact age in years, months, days — with zodiac sign, birthday countdown, and chronological age tracker. Free, no sign-up.→📅Free Date Difference Calculator — Days Between DatesCount days, weeks, months between two dates with business days, weekends, and holiday presets. Free online, no sign-up, 100% private.→⏳Free Days Until Countdown — Event & Holiday TrackerCount down to birthdays, holidays & events. Live progress bar, multiple countdowns, shareable links — free online, no sign-up, 100% private.→🏖️Free Retirement Calculator — FIRE & Savings EstimatorPlan retirement with country presets, savings projections, FIRE number & financial freedom analysis. Free online, no sign-up, 100% private.→⚖️Free BMI Calculator Online — Body Mass Index TrackerCalculate BMI with visual gauge, ideal weight, body fat %, Ponderal Index & health risk analysis. Free online, no sign-up, 100% private.→📊Free Percentage Calculator — Find % of Number & TipsCalculate percentages instantly — find % of a number, percentage change, tips, discounts & ratios. Free online, no sign-up, 100% private.→📐Free Unit Converter — Length, Weight & MoreConvert between units instantly — length, weight, temperature, area, volume, speed, time, digital, pressure, energy. Free online, no sign-up.→
💻 Dev Tools 8
🎨Free Color Picker — Hex Finder & Palette GeneratorPick, convert & analyze colors — HEX, RGB, HSL, HSV, CMYK. Free online, no sign-up, 100% private client-side tool.→✏️Free Online Drawing Tool — Draw & SketchDraw, sketch & create art — brushes, shapes, colors, fill, undo/redo, export PNG. No sign-up, private & offline.→🔐Free Base64 Encoder & Decoder — Convert Text & FilesEncode & decode text/files in Base64. Free online, no sign-up, 100% private client-side tool.→📋Free JSON Formatter — Beautify, Minify & ValidateFormat, validate, minify, and view JSON in a tree. Free online, no sign-up, 100% client-side with syntax highlighting.→📱Free QR Code Generator — Custom QR with LogoGenerate custom QR codes instantly with presets (WiFi, vCard, Email), logo overlays, and styles. 100% free, no sign-up, client-side.→⏱️Free Unix Timestamp Converter — Epoch & Date ConverterConvert Unix timestamps to human-readable dates and vice versa. Free online, no sign-up, 100% private with timezone support.→🔐Free Hash Generator — Secure MD5 & SHA-256 OnlineGenerate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes with HMAC. Free online, no sign-up, 100% client-side.→📷Free QR Code Scanner — Camera & Image ScannerScan and decode QR codes instantly using your camera, image uploads, or clipboard. Free online, no sign-up, 100% private.→
🖼️ Image Tools 2
🖼️Free Image Resizer — Batch Resize Photos & ImagesResize images instantly in your browser. Set dimensions, quality, format & aspect ratio. No sign-up, 100% client-side, no upload.→🗜️Free Image Compressor — Reduce JPEG, PNG & WebPCompress and reduce image file sizes instantly. Batch JPEG, PNG, WebP compression with custom quality. No sign-up, 100% client-side.→
⚡ Utilities 2
⌨️Free Virtual Keyboard — Multilingual On-Screen LayoutVirtual keyboard with multi-language layouts — type in English, Spanish, French, German, Arabic, Portuguese. Free online, no sign-up.→🔑Free Password Generator — Secure & Random PasswordsGenerate strong, random passwords with customizable length, character types, passphrase mode, and entropy analysis. No sign-up, 100% client-side.→
📝 Text Tools 3
🔤Free Case Converter — UPPERCASE, lowercase & camelCaseConvert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case. Free online, no sign-up.→📊Free Word Counter — Real-Time Character & Text AnalysisCount words, characters, sentences, paragraphs, reading time & more. Free online, no sign-up, 100% private.→📝Free Lorem Ipsum Generator — Placeholder & Dummy TextGenerate Lorem Ipsum placeholder text — paragraphs, sentences, words. Client-side, private, no sign-up.→

Inverse Case Converter

Free case converter — no sign-up. Convert text case to UPPER, lower, Title, camelCase and more. 100% private.

0 characters · 0 words · 0 lines

Converted Text

Characters
0
Words
0
Lines
0
Case Format
-

Free case converter — no sign-up. Convert text case to UPPER, lower, Title, camelCase and more. 100% private.

formula

Inverse case: a→A, A→a for every character
What is inverse case? +

Inverse case flips uppercase to lowercase and vice versa.