Guides

How-tos and explainers linked from tool pages for SEO and learning.

• Extract audio from an MP4 clip

  MP3 or AAC/M4A via local ffmpeg.wasm.

• How to convert PNG to JPG (without uploading)

  A practical guide for fast PNG→JPG conversion using local browser processing.

• Merge images into a single PDF

  Combine screenshots or scans locally without uploading.

• Lightweight MP4 → WebM conversion in the browser

  What to expect from ffmpeg.wasm, performance, and limits.

• Export the first page of a PDF to PNG

  Use Awesome Tools to rasterize the first page of a PDF locally.

• Understanding “local processing” for file converters

  What “runs in your browser” means for privacy, performance, and reliability.