PDF Merger
Combine PDF files in the order you choose. Review filenames and page counts, then download the merged PDF.
Open tool →Document & file tools
Merge PDFs, read text from images, inspect CSV files and preview Excel worksheets. Pick the task that matches your file.
Image to Text (OCR)
Extract draft English or Simplified Chinese text from a document image. Copy the text after checking it against the original.
Open tool →CSV File Checker
Preview CSV or TSV data, inspect delimiters and encoding, and spot structural warnings before importing a file.
Open tool →Excel File Viewer
Choose a worksheet and preview its first rows in your browser without uploading the workbook.
Open tool →QR Code Generator
Generate a QR code from text or a URL. Choose the size and error correction, then download a PNG.
Open tool →Private by default. Files stay in your browser.All tools ↗