Batch file converter & image compressor
Read the story behind Dimroid ConvertKit
Shrink JPG/PNG/WebP with a quality slider and max-width cap.
PNG, JPG, WebP, BMP and single-image PDF, both ways.
PDF to editable DOCX, and DOCX to PDF via LibreOffice.
Convert either way, or merge many CSVs into one workbook.
Queue many files, pick one output folder, watch the log.
Windows 10/11, macOS 12+, or a modern Linux desktop
Python 3.10+ with CustomTkinter (or the packaged build — no install needed)
512 MB RAM · 60 MB free disk space
No. Spreadsheet and image conversions are pure Python. DOCX->PDF uses free LibreOffice if installed.
No hard limit — it is bounded only by your machine memory.
Never. Every conversion happens locally on your computer.