pdf old

PDF reader and note-taker for scientific papers.

PDF converter and OCR reader.

PDF viewer and note taker.

PDF signing utility.

PDF watermarking made easy.

Remove junk/unneeded/large/old files from your Mac

Make the old, blurred, or low-quality photos to high-definition and clarity.

Improve the video quality and upscale your old videos with low resolution to higher resolution.

Boost your old Mac's performance.

Entry method for Old Germanic languages.