Free Online Tools

Powerful collection of free online tools for file conversion, document processing, image editing, and data analysis.

📋 Document & Data Processing

🔗 Link Extractor
URL Extract Link Finder Web Scraping
Extract all types of links from text, web pages, or documents. Find HTTP URLs, Thunder links, magnet links, and eMule links automatically. Perfect for collecting download links, analyzing web content, or extracting URLs from various file formats including TXT, Word, Excel, PDF, and HTML.
📱 Excel to Phone Contacts
Contact Import VCF Export Phone Sync
Convert Excel contact lists to phone-compatible VCF files. Import hundreds of contacts to your phone instantly by converting spreadsheet data to address book format. Perfect for businesses, organizations, or anyone managing large contact databases.
👥 VCF Contact Viewer
VCF Reader Contact View Address Book
Open and view VCF contact files in a readable table format. Extract contact information including names, phone numbers, emails, and addresses from VCF files. Convert contact data to Excel for easy editing and management of address book information.
🌐 Web Table to Excel
Web Scraping Table Extract Data Export
Extract tables from web pages and convert them to Excel format. Simply copy webpage content and automatically detect all tables for download. Saves time when importing data from websites, avoiding manual copy-paste errors and formatting issues.
🔍 Document Comparison Tool
Document Compare Diff Checker Change Detection
Compare two documents and highlight differences instantly. Supports Word documents, Excel spreadsheets, and text files. Perfect for version control, proofreading, and tracking changes in contracts, reports, or any documents. Drag and drop interface makes comparison quick and easy.
📊 Excel File Merger
Excel Merge Batch Processing Data Consolidation
Combine multiple Excel files into one consolidated spreadsheet. Merge dozens of Excel files quickly while preserving formatting and data integrity. Essential for consolidating reports, combining data from multiple sources, or creating master spreadsheets from distributed files.
📝 Text File Merger
File Merge Text Combine Bulk Processing
Merge hundreds of text files into one document instantly. Supports TXT, CSV, CSS, JS, and VCF files. Perfect for combining log files, merging code files, or consolidating data from multiple text sources. Handles large files efficiently with customizable merge options.
✂️ Large File Splitter
File Split Large Files Batch Split
Split large text files into smaller, manageable pieces. Handle files with millions of lines by splitting them based on line count or custom delimiters. Essential for processing large datasets, log files, or CSV files that are too big for standard applications to handle.

🔄 File Format Conversion

📄 PDF to Image Converter
PDF Converter Image Export Batch Processing
Convert PDF documents to high-quality images instantly. Perfect for creating thumbnails, extracting pages, or converting presentations. Supports batch conversion of multiple PDF files to JPG, PNG formats. Essential tool for designers, students, and professionals who need to extract visual content from PDF documents for presentations, websites, or social media.
📊 Excel to Text Converter
Excel Converter CSV Export Data Export
Convert Excel spreadsheets to TXT and CSV formats effortlessly. Batch process multiple Excel files and combine data into single text files. Ideal for data migration, database imports, and creating backup copies of spreadsheet data. Supports both XLS and XLSX formats with customizable delimiter options.
📈 CSV to Excel Converter
CSV Converter Excel Export Data Import
Transform CSV files into properly formatted Excel spreadsheets. Automatically detects delimiters and handles various CSV formats. Perfect for importing data from databases, web exports, or other systems into Excel for analysis and reporting. Supports batch conversion of multiple CSV files simultaneously.
🎬 Subtitle to Text Converter
Subtitle Converter SRT Parser Text Extraction
Extract clean text from subtitle files (SRT, VTT) by removing timestamps and formatting. Perfect for creating transcripts, study materials, or content analysis from video subtitles. Supports batch processing of multiple subtitle files and exports to TXT or Word documents.
🔤 File Encoding Decoder
Encoding Fix Character Set UTF-8
Automatically detect and fix file encoding issues. Supports dozens of character encodings including UTF-8, GB2312, Big5, and more. Essential for fixing garbled text in files from different systems or languages. Instantly converts between various text encodings to ensure proper display.

🖼️ Image & Media Tools

📷 Photo EXIF Extractor
EXIF Data Metadata Photo Info
Extract detailed EXIF metadata from photos including camera settings, GPS location, timestamps, and technical details. Batch process multiple images and export metadata to Excel for analysis. Useful for photographers, forensic analysis, or organizing photo collections.
⚫ Black & White Converter
Grayscale Batch Convert Photo Filter
Convert color photos to black and white with professional results. Batch process multiple images simultaneously for consistent styling. Perfect for creating vintage effects, professional portfolios, or preparing images for print publications that require grayscale format.
🎞️ GIF Frame Extractor
GIF Split Animation Frame Export
Split animated GIFs into individual frames for editing or analysis. Extract each frame as a separate image file to study animation sequences, create thumbnails, or edit specific frames. Essential tool for animators, designers, and content creators working with GIF animations.
🔒 Image Steganography
Hide Files Steganography Secret Data
Hide files inside images using steganography techniques. Embed documents, text, or other files within image files without visible changes. Perfect for secure file sharing, digital watermarking, or creating puzzle images with hidden content. The hidden files are completely invisible to casual viewers.
🔤 OCR Text Recognition
OCR Scanner Text Extract Image to Text
Extract text from images and PDF scans using advanced OCR technology. Convert screenshots, photos of documents, or scanned PDFs to editable text. Supports batch processing and multiple languages. Perfect for digitizing documents, extracting text from images, or converting scanned materials.

🔍 Search & Analysis Tools

📊 File Counter
File Analysis Directory Stats File Types
Count and analyze files by type in any folder or directory. Get detailed statistics about file formats, sizes, and distribution. Perfect for disk space analysis, project organization, or understanding the composition of large file collections.
📞 Phone Number Lookup (China)
Phone Lookup Number Analysis Batch Query
Batch lookup phone number locations and carriers for Chinese mobile numbers. Extract and analyze thousands of phone numbers from text content, Excel files, or Word documents. Essential for marketing analysis, data cleaning, or verifying contact information in bulk.

🧮 Math & Calculation Tools

∩ Set Intersection Calculator
Set Theory Math Tool Data Analysis
Calculate the intersection of two sets (A∩B) to find common elements. Perfect for data analysis, comparing lists, finding duplicates, or solving set theory problems. Useful for students, researchers, and data analysts working with overlapping datasets.
∪ Set Union Calculator
Set Theory Math Tool Data Merge
Calculate the union of two sets (A∪B) to combine all unique elements. Essential for merging datasets, combining lists without duplicates, or solving mathematical set problems. Helpful for database operations and data consolidation tasks.
\ Set Difference Calculator
Set Theory Math Tool Data Compare
Calculate the difference between two sets (A\B) to find elements in one set but not the other. Perfect for finding missing items, comparing databases, or identifying unique elements in datasets. Essential for data cleaning and analysis workflows.

💻 Developer & Advanced Tools

⚡ JS Anywhere
JavaScript Code Editor Mobile Coding
Write and run JavaScript code anywhere, anytime on mobile devices and tablets. Full-featured JavaScript development environment that works offline. Perfect for learning programming, testing code snippets, or developing on the go when you don't have access to a computer.
⚡ Thunder Link Converter
Link Convert URL Decode Download Helper
Convert Thunder download links (thunder://) to standard HTTP URLs. Decode encrypted download links to reveal the actual file URLs. Essential for accessing download links without Thunder software or for use with other download managers and browsers.