Free Online Tools
Powerful collection of free online tools for file conversion, document processing, image editing, and data analysis.
Document & Data Processing
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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
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.
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.
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.
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.
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
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.
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
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.
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.
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
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.
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.