Character Count

Image conversion online is the process of changing an image file from one format to another directly in your browser — no software to install, no account required. Transfonic supports 10 image formats, including JPG, PNG, WebP, HEIC, AVIF, GIF, BMP, TIFF, ICO, and SVG, converting between them in seconds for free.

Document conversion online is the process of transforming a file from one format to another directly in your browser — no software to install, no account required. Transfonic supports 13 document formats, including PDF, DOCX, XLSX, PPTX, CSV, HTML, EPUB, ODT, ODS, RTF, TSV, TXT, and Markdown, converting between them in seconds for free.

Adding page numbers to a PDF is straightforward — upload your PDF to a free online tool, choose your position and format, and download the numbered file in seconds. No software installation or account is required.

You are reading a PDF — a research paper, a contract, a study guide, a report — and you need to mark the important parts. Highlighting is the fastest way to do it. But unlike a Word document, PDFs are not designed for easy editing, and most tools that let you highlight them either require expensive software, a desktop installation, or a mandatory account signup.