# Imaginex AI — Free Online Tools > https://imaginexai.in > Imaginex AI provides 40+ free, browser-based online tools for developers, designers, marketers, and everyday users. All tools run 100% client-side — no data is ever uploaded to a server. No signup required. ## Developer Tools - [JSON Formatter & Validator](https://imaginexai.in/tools/json-formatter): Format, validate, beautify, and debug JSON code instantly with real-time syntax error detection showing exact line numbers. - [CSS & JS Minifier](https://imaginexai.in/tools/code-minifier): Minify JavaScript and CSS code by removing whitespace, comments, and redundant characters to improve website load speed. - [Base64 Encoder & Decoder](https://imaginexai.in/tools/base64-converter): Encode text to Base64, decode Base64 to plain text, or convert images to Base64 Data URIs via drag-and-drop. - [JWT Decoder](https://imaginexai.in/tools/jwt-decoder): Parse JSON Web Token strings into Header, Payload, and Signature components entirely client-side. Automatically converts timestamps. - [UUID Generator](https://imaginexai.in/tools/uuid-generator): Generate cryptographically secure Version 4 UUIDs in bulk (up to 500 at once) using the browser's native Crypto API. - [Cron Expression Generator](https://imaginexai.in/tools/cron-generator): Create 5-part Unix cron schedules visually or explain existing cron expressions in plain English. Shows next run dates. - [URL Encoder & Decoder](https://imaginexai.in/tools/url-encoder): Convert text to RFC 3986 compliant percent-encoded URL format, or decode percent-encoded URLs back to readable text. - [Hash Generator (MD5, SHA-1, SHA-256)](https://imaginexai.in/tools/hash-generator): Compute MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes simultaneously using the browser's native Web Crypto API. - [Binary Converter](https://imaginexai.in/tools/binary-converter): Translate plain text to binary code and decode binary bytes back to readable text. Supports full UTF-8 Unicode including emojis. - [YAML ↔ JSON Converter](https://imaginexai.in/tools/yaml-json-converter): Bidirectional conversion between YAML configuration files and JSON data structures with real-time parsing error diagnostics. - [JSON ↔ CSV Converter](https://imaginexai.in/tools/json-csv-converter): Convert JSON arrays to CSV spreadsheets or CSV data to clean JSON arrays. Supports nested JSON auto-flattening. - [Epoch Timestamp Converter](https://imaginexai.in/tools/epoch-converter): Convert Unix timestamps (seconds or milliseconds) to human-readable dates, or convert calendar dates to epoch values. - [Diff Checker](https://imaginexai.in/tools/diff-checker): Compare two text blocks or code files side-by-side with color-coded line-by-line additions, deletions, and modifications. - [Bcrypt Generator & Checker](https://imaginexai.in/tools/bcrypt-generator): Generate and verify bcrypt password hashes with customizable salt rounds. All processing runs locally in your browser. - [Password Generator](https://imaginexai.in/tools/password-generator): Create strong random passwords up to 128 characters with configurable parameters. Uses cryptographically secure random number generators. - [Markdown to HTML Converter](https://imaginexai.in/tools/markdown-previewer): Live side-by-side Markdown editor with real-time HTML preview. Supports standard Markdown syntax and inline HTML. ## Text & Content Tools - [Word & Character Counter](https://imaginexai.in/tools/word-counter): Count words, characters, sentences, paragraphs, and reading time in real-time. Includes keyword density analysis for SEO. - [Case Converter](https://imaginexai.in/tools/case-converter): Transform text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, and snake_case in one click. - [Duplicate Line Remover](https://imaginexai.in/tools/duplicate-line-remover): Filter exact duplicate lines from text, email lists, or log files. Supports case-sensitive and case-insensitive matching. - [Lorem Ipsum Generator](https://imaginexai.in/tools/lorem-ipsum-generator): Generate classic Latin placeholder text by paragraphs, sentences, or word counts. Optional HTML tag wrapping. ## Financial Calculators - [EMI Loan Calculator](https://imaginexai.in/tools/emi-calculator): Calculate Equated Monthly Installments for home, car, and personal loans with interactive pie charts and amortization schedules. - [SIP Investment Calculator](https://imaginexai.in/tools/sip-calculator): Estimate future value of Systematic Investment Plan contributions in mutual funds with visual growth charts. - [Compound Interest Calculator](https://imaginexai.in/tools/compound-interest-calculator): Project savings growth with customizable compounding frequencies and optional monthly contributions. - [GST Calculator](https://imaginexai.in/tools/gst-calculator): Add or remove GST from net or gross prices with preset rates (5%, 12%, 18%, 28%). Supports CGST/SGST/IGST division. - [Lumpsum Investment Calculator](https://imaginexai.in/tools/lumpsum-calculator): Estimate future value of one-time investments based on expected CAGR with interactive slider inputs. - [Inflation Calculator](https://imaginexai.in/tools/inflation-calculator): Project future cost of goods and purchasing power decline based on custom inflation rate projections. - [Salary & Hourly Wage Converter](https://imaginexai.in/tools/salary-calculator): Convert between hourly, daily, weekly, bi-weekly, monthly, and annual pay rates with adjustable working hours. - [ROI Calculator](https://imaginexai.in/tools/roi-calculator): Measure simple ROI percentage and annualized rate of return (CAGR). Supports dividends and transaction costs. - [Discount Calculator](https://imaginexai.in/tools/discount-calculator): Compute final sale price, savings, and stacked discounts with optional sales tax on the discounted price. - [Savings Goal Calculator](https://imaginexai.in/tools/savings-goal-calculator): Determine monthly, bi-weekly, or weekly contributions needed to reach a financial target by a specific date. ## Social Media Downloaders - [Instagram Downloader](https://imaginexai.in/tools/instagram-downloader): Download public Instagram Reels, Stories, videos, photos, and posts. Paste an Instagram link and get available media options. - [YouTube Video Downloader](https://imaginexai.in/tools/youtube-video-downloader): Download public YouTube videos and Shorts. Paste a YouTube URL to find available MP4 video download options. - [TikTok Downloader (No Watermark)](https://imaginexai.in/tools/tiktok-downloader): Download TikTok videos without watermark in MP4 format or extract the original MP3 audio. - [X (Twitter) Video Downloader](https://imaginexai.in/tools/twitter-downloader): Download videos and GIFs from X (Twitter). Paste a tweet link to save media as high-quality MP4 files. - [Pinterest Downloader](https://imaginexai.in/tools/pinterest-downloader): Download high-resolution Pinterest images, videos, and GIFs. Paste a Pinterest pin link to save media. - [Facebook Video Downloader](https://imaginexai.in/tools/facebook-downloader): Download Facebook videos, Reels, and stories in HD or SD quality without creating an account. ## Design & Media Tools - [Image Format Converter](https://imaginexai.in/tools/image-converter): Convert WebP, PNG, JPG and other image formats in-browser. Preserves PNG transparency. No images uploaded to servers. - [Color Palette Extractor](https://imaginexai.in/tools/color-palette-extractor): Analyze any image to identify dominant and accent colors using median-cut clustering. Provides HEX codes with one-click copy. - [QR Code Generator](https://imaginexai.in/tools/qr-generator): Create custom QR codes with configurable colors, sizes, and error-correction levels. Static codes that never expire. ## SEO & Marketing Tools - [SEO Meta Tag Generator](https://imaginexai.in/tools/seo-meta-tag-generator): Create optimized HTML meta tags for Google, Facebook Open Graph, and Twitter Cards with live preview mockups. - [UTM Link Builder](https://imaginexai.in/tools/utm-link-builder): Build trackable campaign URLs for Google Analytics with all 5 standard UTM parameters. ## General Utilities - [Age Calculator](https://imaginexai.in/tools/age-calculator): Calculate exact age in years, months, days, weeks, and total days lived. Find age on any specific date. - [Time Zone Converter](https://imaginexai.in/tools/timezone-converter): Convert local time to UTC, EST, PST, CET, IST, and other global time zones. Perfect for remote teams. ## AI-Powered Tools (Premium) - [AI Image Generator](https://imaginexai.in/ai-image-generator): Generate stunning AI images from text prompts. 30+ creative styles. Free tier with 20 credits. - [AI Ad Copy Generator](https://imaginexai.in/ai-ad-copy-generator): Create scroll-stopping ad copy for Facebook, Instagram, Google & more. Multiple tone presets. - [AI Character Generator](https://imaginexai.in/ai-character-generator): Create unique AI characters for games, stories, and branding in realistic, anime, fantasy styles.