Available tools
Tools
Browse the current cleanup and conversion tools. Each page explains supported formats, steps, cautions and local-processing expectations.
Table cleanup and column shaping
CSV / Excel Cleaner
Open a CSV, TSV or Excel file in the browser, remove blank rows, trim extra spaces, delete exact duplicate rows, keep only needed columns, and download the cleaned result without sending the file to a server.
Supported formats
Filename cleanup and numbering
Batch File Rename Tool
Select multiple files, preview new names with prefix, suffix, replace, shared base-name and numbering rules, then download the renamed set as a ZIP file without sending files to a server.
Supported formats
Image optimization and format conversion
Batch Image Resize / WebP Convert
Upload multiple images, resize them together, convert them to WebP when needed, review before-and-after size changes, and download the processed result as ZIP without leaving the browser.
Supported formats
PDF page organizing, merge and split
PDF Page Organizer
Open one or more PDFs in the browser, review page thumbnails, reorder pages, remove pages you do not need, merge files into one PDF, split page ranges into separate PDFs, and download the result without uploading anything to a server.
Supported formats
Subtitle timing adjustment and format conversion
SRT / VTT Subtitle Shift & Convert
Open an SRT or VTT subtitle file in the browser, shift all subtitle timings forward or backward together, convert between SRT and VTT, and download the cleaned result without sending the file to a server.
Supported formats
Text cleanup and list shaping
Text Cleanup Tool
Clean pasted text, tidy line breaks and normalize bullet lists directly in the browser before copying the result somewhere else.
Supported formats