CASTARA

File conversion tools

Choose a category, then select the tool that matches your input and required output. Each tool shows the file types it accepts.

Image tools

Shrink JPEG, PNG and WebP files with quality and dimension controls.

Resize images using contain, cover or exact dimensions.

Change JPEG, PNG and WebP images to the format you need.

Turn JPEG, PNG and WebP images into an animated GIF.

Create an animated GIF from an MP4, M4V, MOV or WebM clip.

Extract GIF frames as PNG, JPEG or WebP images.

Arrange images and create a single downloadable PDF.

Combine several PDF files in your chosen order.

Extract ranges, individual pages or fixed-size groups.

Rotate selected pages left, right or 180 degrees.

Rearrange PDF pages with keyboard-friendly controls.

Extract audio from MP4, M4V, MOV or WebM and save it as MP3 or WAV.