All Online Tools & Utilities
Browse our comprehensive collection of 62 privacy-first developer, document, image, and data utilities. No file uploads to servers. Fast, free, and watermark-free.
Showing 62 tools
EmmE AI Background Remover
Remove image backgrounds instantly with high-precision AI edge detection, studio editor, transparent checkerboard, shadow studio, and 4K exports.
Coding Typing Practice
Practice touch typing actual source code syntax in C, Java, Python, TypeScript, HTML, and CSS with exact indentation and line breaks
Image to PDF Converter
Combine and convert multiple JPG, PNG, WEBP, and BMP images into a single professional PDF document client-side with jsPDF
Advanced Typing Speed & Practice
Practice touch typing with real-time WPM, accuracy analytics, custom paragraphs, and client-side PDF document text extraction
PDF to JPG Converter
Convert multi-page PDF documents to high-resolution JPEG images locally in your browser with Mozilla PDF.js engine and ZIP packaging
Advanced Image Resizer & Converter
Resize dimensions, convert between PNG, JPEG, WEBP, and BMP formats, and compress image files with client-side HTML5 canvas processing
UUID Generator
Generate universally unique identifiers with multiple versions and batch options
Lorem Ipsum Generator
Generate placeholder text in various formats including words, sentences, and paragraphs with customization options
Timestamp Converter
Convert, generate, and solve timestamps in various formats with batch processing
JWT Decoder/Encoder
Decode, encode, and verify JSON Web Tokens with support for multiple algorithms
Image Format Converter
Convert images between formats like PNG, JPEG, GIF, and WebP with batch processing
Text Case Converter
Convert text between different cases like uppercase, lowercase, title case, and more
Base64 Encoder/Decoder
Encode and decode text, files, and URLs to/from Base64 format with support for different encodings
Next.js Image URL Decoder
Decode and encode Next.js optimized image URLs with bulk processing, multi-size generation, and parameter extraction
Folder Structure Analyzer
Analyze, visualize, and export folder structures with advanced filtering, statistics, and multi-format export options
Password Generator
Generate secure passwords, passphrases, and PINs with advanced customization and security analysis
IP Location Checker
Check IP address geolocation information including country, region, city, ISP, and more
Internet Speed Test
Test your internet connection speed with download, upload, and ping measurements
DNS Lookup Tool
Query DNS records including A, AAAA, MX, CNAME, TXT, NS, and more with detailed results
API Cron Job Scheduler
Schedule and manage API calls with cron expressions. Run automated tasks with a visual dashboard and detailed logging
PDF Toolkit
Comprehensive PDF manipulation tools - split, merge, rotate, add watermarks, insert text, and extract information
Mock Data Generator
Generate realistic fake user data, addresses, and emails using Faker.js for testing and development
HMAC Generator & Verifier
Generate and verify Hash-based Message Authentication Codes using various algorithms for secure authentication and data integrity verification
API Testing Tool
Professional API testing tool with request builder, response viewer, history tracking, and collection management - your Postman alternative
Uptime Monitor
Monitor website uptime, response times, and availability with real-time status tracking and command-line style visualization
ASCII Art Generator
Convert text and images to ASCII art with customizable fonts, styles, density controls, and export options
Colors Toolkit
Comprehensive color tools with picker, format converter, palette generator, gradients, and accessibility checker
Keyboard Tester
Test keyboard functionality, monitor key presses, typing speed, and key response times with comprehensive analytics
Camera & Microphone Tester
Test camera and microphone functionality, monitor audio levels, record media, and verify device permissions with comprehensive controls
QR Code Generator
Generate QR codes for text, URLs, contacts, WiFi, and more with customizable styling options
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text and files with security analysis
Privacy Policy Generator
Generate comprehensive privacy policies for your website or application with GDPR and CCPA compliance options
Speaker Testing Tool
Test speakers and audio systems with multiple configurations including mono, stereo, surround sound, and custom frequency testing
Blockchain Balances
Scan wallet balances across multiple blockchain networks including Ethereum, BSC, Polygon, Arbitrum, and more with native and ERC20 token support
ETH / Wei / Gwei Converter
Convert between Ethereum units (ETH, Wei, Gwei) with real-time parallel updates and copy functionality
Audio Noise Reduction
Remove background noise, enhance audio quality with advanced filtering, compression, EQ, and real-time processing
Stopwatch & Timer
Professional stopwatch with lap times, customizable timer with notifications, and comprehensive time management features
VCF (vCard File) Reader & Writer
Parse, create, edit, and manage vCard contact files with advanced features including multiple contact support, field validation, and batch operations
IP Address Calculator
Comprehensive IP address calculator with subnet calculations, CIDR conversions, binary/hex format conversions, and network analysis
BMI Calculator
Calculate BMI, BMR, TDEE, body composition, ideal weight, and weight goals with comprehensive health metrics and analysis
EVM Vanity Address Generator
Generate custom Ethereum vanity addresses with specific patterns, prefix/suffix matching, and comprehensive statistics
JSON/XML/YAML Formatter & Validator
Format, validate, and convert between JSON, XML, YAML, and TOML formats with syntax highlighting and error detection
Regular Expression Tester & Builder
Test, build, and debug regular expressions with real-time matching, explanations, and common pattern library
Markdown Editor & Preview
Write and preview Markdown with live rendering, syntax highlighting, table editor, and export options
SQL Query Formatter & Validator
Format, validate, and optimize SQL queries with support for multiple database dialects and syntax highlighting
Diff Checker & Text Comparison
Advanced text and file comparison tool with side-by-side diff visualization, merge conflict resolution, and multiple export formats
JSON Tree Viewer
Visualize JSON structure as an interactive tree or node graph with collapsible nodes, search, statistics, and file upload support
Free Images Collection
Browse, download, and use high-quality free images with advanced search, filtering, and preview features
Financial Calculator
Calculate interest, APR, loans, mortgages, investments, and other financial calculations with compound interest support
Tailwind Color Picker
Browse and copy all Tailwind CSS colors with multiple format options including HEX, RGB, HSL, CSS classes, and OKLCH
Clipboard Image Saver
Paste images from clipboard, convert formats, resize, and save with clipboard history management
Advanced Search Builder
Build powerful Google and YouTube search queries using advanced operators like site:, before:, filetype:, intitle: and more — generate direct search links instantly
Text Analyzer
Analyze text with live word count, character stats, case conversion, word frequency, special character detection, reading time, and powerful text transformation tools
Timezone Converter
Convert a moment across many timezones at once with daylight saving warnings, a meeting planner, cross-day alerts, and shareable comparisons
YAML ⇄ JSON ⇄ TOML Converter
Convert config files between YAML, JSON, and TOML using real parsers, with format auto-detection and precise syntax error positions
Media Metadata Viewer
Inspect EXIF, GPS location, codecs, tags, dimensions, and checksums for images, video, audio, and PDFs without uploading anything
Live Poll & Voting System
Create real-time interactive polls, generate instant QR codes and shareable links, collect votes, and analyze live distribution percentages.
Pro Audio Converter
Convert audio files between MP3, WAV, FLAC, OGG, and AAC formats with customizable bitrate entirely in your browser using FFmpeg.wasm
Advanced Age Calculator
Calculate your exact chronological age in years, months, days, hours, and seconds with birthday countdowns and detailed lifespan metrics
Live Lecture Transcriber & Speech-to-Text
Real-time continuous speech-to-text transcriber designed for students and professionals to capture live lectures, verify spellings, and export notes
URL Slug Generator
Convert any text, article title, or string into a clean, SEO-friendly URL slug with custom separators and lowercase normalization.
HTML Entity Encoder & Decoder
Escape and encode special characters to HTML entities or decode entities back into readable raw HTML symbols.