PubToo file processing guides

• How to reduce image file size: format, quality and dimensions

  Prepare smaller images for email, forms or websites. Choose JPEG, PNG or WebP, adjust quality and dimensions, and check transparency, detail and the exported file size.

• How to compress a PDF: scans, text documents and signatures

  Understand why scanned and text PDFs compress differently. Choose a suitable mode, then check pages, text, links, forms and digital signatures in the exported copy.

• ZIP or 7z: packing, encryption, split volumes and extraction

  Distinguish archiving from media compression, choose ZIP or 7z, check password and split-volume compatibility, and verify the contents before sending an archive.

• How to compress video: MP4, H.264, HEVC and resolution

  Choose a video codec, bitrate and resolution for smaller files. Check playback compatibility, HDR, fine details and audio sync, and keep the original recording.

• Audio compression formats: AAC, ALAC and FLAC explained

  Choose AAC, ALAC or FLAC for sharing, playback or keeping a lossless source. Understand M4A containers, conversion limits and how to check an audio export.

Each guide explains practical steps and tradeoffs. Check the official website for current product features, platforms and release status.