Pixillion Image Converter vs Zamzar API

Pixillion Image Converter is a Windows and macOS desktop tool for converting image files between formats including JPEG, PNG, GIF, PDF, BMP, RAW, PSD, ICO, and HEIC. It can batch-convert or compress photos, rotate and resize them, add captions, watermarks, or logos, and update image metadata. Before conversion, it previews images and shows format, compression settings, and resize dimensions. The product page says conversion is available from the right-click menu. Pixillion preserves vector graphics when converting between vector formats, and its listed formats include SVG, TIFF, AVIF, WEBP, EPS, HEIF, DNG, CR2, and others. The free version is for non-commercial use, never expires according to the maker, and costs nothing. Pixillion Plus is the paid professional version, with no price listed. NCH provides tutorials, a manual, a forum, bug reporting, and technical support. NCH says the current version works on 64-bit Windows 11, 10, 8, 7, and Vista; the versions page lists Pixillion 14.00 for macOS, uploaded August 20, 2026. Purchases older than six months may require an upgrade purchase for the current version.

Zamzar API is a REST-based HTTP service for adding file conversion to mobile, web, or desktop applications. It supports more than 1,100 conversion types across documents, video, images, audio, eBooks, CAD, 3D, and compressed files. Files can come from a user's machine or be reachable through HTTP, FTP, SFTP, or Amazon S3. Zamzar says its cloud service can handle demand from one file to 10,000. Developers can use official Java, PHP, and Python SDKs, plus code samples for C#, cURL, Node.js, and other languages. The free Test plan costs nothing, requires no card, and includes 100 credits, a 1 MB maximum file size, one-day file storage, and a three-day support response. Paid plans start at $25 /month. Successful conversions use at least one credit, and unused monthly credits do not roll over. Zamzar describes the API as a conversion service, not a CDN; converted files should be retrieved through the API. Accounts include free sandbox testing subject to file-size and job-count limits.