Developer Utilities
Essential tools for developers: JSON formatting, Base64 encoding, UUID generation, and more. No server uploads required.
Free Base32 Encoder & Decoder — Encode to/from Base32 Online
Encode text to Base32 online for free or decode Base32 back to text. Uses RFC 4648 standard. Perfect for TOTP secrets, data encoding. Browser-based, no data uploads.
Free Base64 Encoder & Decoder — Encode to Base64 Online
Encode to Base64 online for free. Convert text to Base64 or decode Base64 strings to plain text. Supports Unicode characters. Perfect for developers needing quick encoding.
Free Browser Info Detector — Check Browser Details Online
Detect browser information online for free. Check browser name, version, OS, screen resolution, user agent. Useful for debugging and support. Instant detection.
Free Cron Expression Generator — Build & Test Cron Jobs Online
Generate cron expressions online for free. Build, validate, and preview cron schedules with human-readable descriptions. See next 5 scheduled run times. Developer tool.
Free CSS Cursor Playground — Preview All CSS Cursors Online
Preview CSS cursors online for free. Interactive reference for all standard CSS cursor properties. Hover to test, click to copy CSS. Essential web design tool.
Free CSS Minifier — Minify & Compress CSS Online
Minify CSS online for free. Remove comments, collapse whitespace, shorten hex colors. Shows percentage reduced. Also beautifies CSS. Instant browser-based CSS processing.
Free CSS to Tailwind Converter — Convert CSS to Tailwind Classes
Convert CSS to Tailwind online for free. Paste raw CSS properties and get equivalent Tailwind utility classes. Speed up your Tailwind CSS workflow. Instant conversion.
Free CSV to JSON Converter — Convert Excel CSV to JSON Online
Convert CSV to JSON online for free. Transform spreadsheet data into JSON format. Upload CSV file or paste directly. Custom delimiter support. Browser-only processing.
Free File Hash Generator — Generate SHA-256, MD5 Hashes Online
Generate file hash online for free. Create SHA-1, SHA-256, SHA-384, SHA-512 hashes for any file. Verify file integrity and checksums. Browser-based, no uploads needed.
Free HTML Entity Encoder & Decoder — Encode Special Characters Online
Encode HTML entities online for free. Convert reserved characters like < and > into safe HTML strings. Also decode entities back. Essential web development tool.
Free HTML Minifier — Compress HTML Code Online
Minify HTML online for free. Remove comments and collapse whitespace to reduce page weight. Instant HTML compression in your browser. Improve website load speed.
Free HTML to JSX Converter — Convert HTML to React JSX Online
Convert HTML to JSX online for free. Transform HTML code to valid React JSX with className, camelCase attributes. Perfect for React developers migrating HTML templates.
Free HTML to Markdown Converter — Convert HTML to MD Online
Convert HTML to Markdown online for free. Transform HTML content into clean Markdown syntax. Perfect for content migration, documentation, and blogging. Instant conversion.
Free HTTP Status Code Checker — Lookup HTTP Codes Online
Check HTTP status codes online for free. Look up any status code with description, category, and usage guidance. Searchable reference for developers. 1xx-5xx codes.
Free IPv4 Subnet Calculator — Calculate CIDR & Network Range
Calculate IPv4 subnets online for free. Compute network ranges, broadcast addresses, usable hosts from CIDR notation. Essential networking tool for system administrators.
Free JavaScript Minifier — Minify & Compress JS Online
Minify JavaScript online for free. Remove comments, collapse whitespace, reduce download size. Shows byte savings. Instant JS minification in your browser.
Free JSON Formatter & Validator — Beautify JSON Online
Format JSON online for free. Beautify, validate, and minify JSON data with syntax highlighting. Auto-detect and fix JSON errors. Instant browser-based JSON formatting.
Free JSON to CSV Converter — Convert JSON to Excel Format Online
Convert JSON to CSV online for free. Transform JSON arrays into CSV tables for Excel and Google Sheets. Also supports CSV to JSON. Browser-based, no data sent to servers.
Free JWT Decoder — Decode & Inspect JSON Web Tokens Online
Decode JWT tokens online for free. Inspect JWT header, payload, and expiry claims. No verification needed — just paste and decode. Fully local processing in your browser.
Free Meta Title Generator — Generate SEO Page Titles Online
Generate SEO meta titles online for free. Create optimized page titles for search engines. Check character length. Improve your website search ranking with better titles.
Free Online Morse Code Translator — Encode & Decode Morse Online
Translate Morse code online for free. Convert text to International Morse code and decode Morse signals back to readable text. Supports letters, numbers, and special characters. Instant browser-based translation.
Free Open Graph Image Tester — Preview OG Images Online
Preview Open Graph images online for free. Test og:image tags across Facebook, Twitter, LinkedIn. Ensure your share images display correctly. Developer SEO tool.
Free Open Graph Preview — Test OG Tags for Facebook, Twitter, LinkedIn
Preview Open Graph tags online for free. Test how your website links appear on Facebook, Twitter, LinkedIn, and WhatsApp. Check og:image, title, description rendering.
Free Password Strength Tester — Check Password Security Online
Test your password's entropy, estimated crack time, and get improvement tips. 100% private your password is never sent anywhere. Perfect for users needing a password strength tester.
Free Regex Tester — Test Regular Expressions Online
Test regex online for free. Debug regular expressions with real-time match highlighting, flags support. Quick examples included. Perfect for developers validating patterns.
Free Robots.txt Tester — Test & Validate robots.txt Online
Test robots.txt files online for free. Check if your robots.txt is blocking search engines correctly. Validate syntax and test specific URLs. Essential SEO developer tool.
Free SERP Preview Tool — Preview Google Search Result Snippet
Preview Google SERP snippets online for free. See exactly how your page title, URL, and meta description will appear in Google search results. Optimize for higher CTR.
Free SHA-256 Hash Generator — Generate Hash Online
Generate SHA-256 hash online for free. Create secure cryptographic hashes from any text input. Check file integrity and password hashing. 100% local browser processing.
Free Sitemap Validator — Validate XML Sitemap Online
Validate XML sitemaps online for free. Check your sitemap for errors and ensure Google can read it properly. Essential SEO tool for website owners. Instant validation.
Free SQL Formatter — Beautify SQL Queries Online
Format SQL queries online for free. Beautify SQL with proper indentation, keyword uppercasing. Supports SELECT, INSERT, UPDATE, DELETE. Instant browser-based formatting.
Free Tailwind to CSS Converter — Convert Tailwind Classes to CSS
Convert Tailwind to CSS online for free. Translate Tailwind utility classes to raw CSS output. Debug styles, prepare emails. Perfect for developers transitioning styles.
Free Unix Timestamp Converter — Convert Epoch to Date Online
Convert Unix timestamps to dates online for free. Convert epoch time to human-readable format and back. Auto-detects seconds vs milliseconds. Works in your browser.
Free URL Encoder & Decoder — Encode/Decode URLs Online
Encode URLs online for free. Convert special characters to URL-safe format or decode encoded URLs. Essential developer tool for working with web addresses.
Free URL Query String Parser — Extract URL Parameters Online
Parse URL query strings online for free. Extract and decode URL parameters in a clean table view. Visualize query structure easily. Essential developer debugging tool.
Free URL Shortener — Shorten Long URLs Online
Shorten URLs online for free. Convert long links into compact shareable short URLs instantly. No tracking, no ads. Browser-based URL shortening service.
Free UTM Builder & Parser — Create UTM Tracking URLs Online
Create UTM tracking URLs online for free. Build Google Analytics campaign URLs or decode existing UTM parameters. Track marketing campaigns accurately. Browser-based tool.
Free UUID Generator — Generate Random UUID v4 Online
Generate UUID online for free. Create random UUID v4 identifiers instantly. Bulk generation supported. Copy, download as JSON. Perfect for database IDs and testing. Browser-based.
Free vCard QR Code Generator — Create Contact QR Code Online
Generate vCard QR codes online for free. Encode contact details in QR format. Scan to save contact directly to phone. Perfect for business cards and networking.
Free XML Formatter & Beautifier — Format XML Online
Format XML online for free. Beautify, indent, and prettify raw XML data. Make XML readable with proper formatting. Instant browser-based XML formatting. Supports offline use.
Free XML to JSON Converter — Convert XML to JSON Online
Convert XML to JSON online for free and vice versa. Transform XML documents into JSON objects. Both directions supported. Recursive browser-native parsing. No uploads.
Free YAML to JSON Converter — Convert YAML to JSON Online
Convert YAML to JSON online for free and vice versa. Handle nested structures, arrays, multiline strings. Perfect for DevOps config files. Instant browser-based conversion.
JSON Validator & Formatter
Instantly validate JSON syntax, auto-format messy JSON with proper indentation, and identify errors. Minify and beautify JSON. 100% private, browser-based.