Free tools

Small, focused utilities that run entirely in your browser.

Your files stay on this device. These tools process files in your browser’s memory. They never upload them and do not save them to site storage; you choose whether to download each result. No account, no ads.

• PDF

  PDF Merge

  Combine several PDFs into one file, in the order you choose.

  Input

  PDF files, up to 20

  Limit

  50 MB each, 150 MB total (provisional)

  Output

  One PDF

• Data

  CSV → JSON

  Convert a CSV file to JSON with a preview. Values stay as text, so leading zeros and long IDs are kept.

  Input

  CSV, TSV or TXT (UTF-8)

  Limit

  25 MB (provisional)

  Output

  JSON

Limits are provisional while the tools are tested on more phones and computers.