Explore 24 free tools to simplify your workflow
24
Total Tools
14
Categories
Upload multiple images, arrange them in any order with intuitive drag-and-drop, and convert to a single PDF document. Perfect for creating photo albums, organizing scanned documents, compiling receipts, or preparing presentations. Features unlimited image uploads, drag-and-drop reordering, live preview with position numbers, support for JPG, PNG, GIF, WebP, and BMP formats, quality preservation in PDF output, individual image deletion, instant PDF generation and download, and automatic cleanup for privacy. Each image becomes a full page in your PDF with maintained aspect ratio. Ideal for creating photo albums from vacation pictures, organizing receipts and invoices, compiling scanned documents, preparing visual presentations, creating image-based reports, and archiving photos in PDF format. No file size limits, fast server-side processing, and completely secure with automatic file deletion after conversion.
Convert Microsoft Office documents to PDF format instantly. Supports Word documents (DOC, DOCX), PowerPoint presentations (PPT, PPTX), and Excel spreadsheets (XLS, XLSX). Features fast server-side conversion using LibreOffice, preserves original formatting and layout, drag-and-drop file upload, instant download of converted PDF, and supports batch processing. Perfect for creating universal document formats, archiving documents, sharing presentations, converting spreadsheets for printing, and ensuring document compatibility across platforms. All conversions are processed securely on our server with automatic file cleanup after conversion.
Interactive sorting algorithm visualizer to watch and learn how different sorting algorithms work in real-time. Visualize Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort with step-by-step animations. Perfect for computer science students, developers preparing for interviews, and anyone learning data structures and algorithms. Features 6 different sorting algorithms with live visualizations, adjustable speed control from very slow to very fast, variable array size from 10 to 150 elements, real-time statistics showing comparisons and swaps, color-coded visualization with different colors for comparing (yellow), swapping (red), pivot (orange), and sorted (green) elements, live timer tracking execution time, responsive design that works on desktop, tablet, and mobile, dark and light theme support, and educational complexity information for each algorithm showing best, average, worst, and space complexity. Watch every comparison and swap as it happens with smooth animations. Generate new random arrays instantly. Stop and restart sorting at any time. Learn algorithm efficiency by comparing different sorting methods on the same data. Understand time complexity differences between O(n²) and O(n log n) algorithms visually. See how divide-and-conquer algorithms like Merge Sort and Quick Sort partition and solve sub-problems. Observe the heap building process in Heap Sort. All processing happens entirely in your browser with no data sent to servers. Perfect for visual learners, interview preparation, classroom teaching, algorithm comparison, and self-paced education.
Comprehensive token tool to decode, verify, and generate JWT (JSON Web Tokens) and PASETO (Platform-Agnostic SEcurity TOkens) instantly. View header, payload, and signature sections with syntax-highlighted JSON. Generate new tokens with custom payloads. Perfect for developers debugging authentication tokens, API tokens, and bearer tokens. Features instant real-time decoding as you type, support for both JWT and PASETO token formats, token generation with custom algorithms (HS256, HS384, HS512), three-part visualization showing header/version, payload, and signature/footer separately, color-coded JSON syntax highlighting for easy reading, one-click copy to clipboard for each section, and complete client-side processing for maximum security. All token processing happens entirely in your browser - tokens are never transmitted to any server, ensuring complete privacy and security. Supports all standard JWT formats and PASETO v2/v4. Ideal for debugging authentication flows, inspecting API tokens, generating test tokens, understanding token structure, validating token claims, and learning about modern authentication. No installation or registration required.
Reduce PDF file size online with our powerful compression tool. Compress large PDF documents while maintaining optimal quality with customizable compression levels. Features three quality modes - Maximum (smallest file size), Balanced (recommended, good size-to-quality ratio), and High Quality (minimal quality loss). Perfect for reducing file sizes before email attachments, uploading to websites with size limits, saving storage space, optimizing PDFs for web delivery, and preparing documents for faster sharing. Uses advanced compression algorithms to optimize content streams and reduce redundant data. All processing is secure with automatic file cleanup after compression. Supports PDFs of any size with instant compression and download. Ideal for business documents, presentations, reports, scanned documents, and image-heavy PDFs. No registration required, completely free to use with unlimited compressions.
Extract audio tracks from video files in seconds. Convert MP4, AVI, MOV, MKV, WebM to MP3, WAV, AAC, OGG, or FLAC with adjustable quality settings. Perfect for creating podcasts, music files, or audio archives from video content. Features fast FFmpeg processing, multiple audio format support (MP3, WAV, AAC, OGG, FLAC), quality control (low, medium, high, very high), secure server-side conversion with automatic cleanup, drag & drop file upload, and instant download. Ideal for extracting music from music videos, creating podcast audio from video interviews, archiving important audio from video files, converting video lectures to audio format, and extracting dialogue for transcription. Supports all common video formats with efficient processing and privacy-focused temporary file handling.
Decode Base64 encoded strings back to image files instantly. Perfect for developers working with Base64 image data in web applications, APIs, or databases. Supports all common image formats including PNG, JPG, GIF, WebP, and BMP. Features include pasting Base64 strings (with or without data URI prefix), automatic format detection, live image preview with dimensions and file size, one-click download of decoded images, and format information display. Handles both raw Base64 strings and complete data URI format (data:image/png;base64,...). Useful for debugging API responses with Base64 images, converting database-stored Base64 images, testing Base64 image data, extracting images from JSON/API responses, and validating Base64 encoded images. 100% client-side processing ensures complete privacy - all decoding happens in your browser, data never leaves your device. No file size limits.
Convert images to Base64 encoded strings instantly for easy embedding in HTML, CSS, JSON, or any text-based format. Supports all common image formats including PNG, JPG, GIF, WebP, and SVG. Features multiple output formats (Data URI, Plain Base64, HTML img tag, CSS background-image, JSON), drag-and-drop upload, real-time preview with file information, one-click copy to clipboard, and download as text file. Perfect for web developers embedding images inline, API responses with image data, email templates, offline web apps, and reducing HTTP requests. Shows original and Base64 file sizes with increase percentage. 100% client-side processing ensures complete privacy - images never leave your device.
Generate professional QR codes with smart auto-detection and formatting. Automatically recognizes content type (URL, phone, email, WhatsApp, SMS, WiFi) and formats it optimally for maximum scanning compatibility. Features intelligent type detection, customizable sizes (128px to 1024px), real-time preview, format toggle, and high-quality PNG download. Perfect for business cards, marketing materials, contact sharing, WiFi access, event tickets, and digital payments. 100% client-side processing ensures complete privacy.
Compress PNG, JPEG, and WebP images to reduce file size while maintaining quality. Features adjustable quality control, batch processing, before/after preview, size comparison, and instant download. Perfect for optimizing images for web, email, or storage. All compression happens in your browser for complete privacy.
Crop and resize images to specific aspect ratios with an interactive drag-and-drop crop box. Choose from preset ratios like 16:9, 4:3, 1:1, or create custom ratios. Perfect for social media posts, profile pictures, banners, and any content requiring specific dimensions. All processing happens in your browser.
Add password protection to PDF files quickly and securely. Upload any PDF, set a custom strong password, and download the encrypted, password-protected version. Perfect for securing sensitive documents, contracts, and confidential files.
Remove password protection from PDF files quickly and securely. Upload encrypted PDFs, enter the password, and download the unlocked version without any restrictions. All files are processed securely and deleted immediately after.
Comprehensive text processing tool to count characters, words, lines, and more. Convert text case, find & replace, remove extra spaces. All processing done locally in your browser.
Combine multiple PDF files into a single document. Upload PDFs, reorder them with drag & drop or arrow buttons, and merge them instantly. Perfect for organizing reports, contracts, invoices, and documents into one organized file.
Compare two texts side-by-side with color-coded highlighting for additions, deletions, and modifications. Supports line-by-line, word-level, and character-level comparison modes. Perfect for code review, document comparison, and tracking changes.
Search up to 5 words simultaneously with color-coded highlighting, occurrence counters, and easy navigation. Perfect for analyzing documents, finding patterns in large texts, and reviewing content with multiple search terms at once.
Scan and decode QR codes from images or camera instantly. Extract URLs, text, contact info, WiFi credentials, and more from any image containing a QR code or barcode. Fast, secure, and supports multiple formats.
Split PDF files into multiple documents by custom page ranges. Create named splits, validate page ranges, and automatically handle leftover pages. Perfect for extracting chapters or sections from large PDFs.
Format, validate, and beautify JSON data instantly. Minify JSON, fix formatting errors, and validate JSON syntax online. Perfect for developers working with APIs and configuration files.
Complete audio testing tool - test your microphone with live waveform visualization and test left/right speakers by recording and playing back audio through specific channels.
Remove specific pages from PDF files easily. Enter page numbers or ranges, and download the modified PDF instantly.
Test your device camera, capture photos with live preview, and download images instantly. Perfect for testing camera functionality.
A beautiful markdown viewer with live preview and syntax highlighting. Perfect for viewing and editing README files with real-time rendering.