No Registration Web 2.0 Conversion Tools
General Coverters
  • Convert PDF to Word Converter: Convert PDF documents to word, text, html, or image or reverse word, text, html or image to PDF.
  • DocsPal Online File Converter: Converts all kind of documents, video, audio, images, e-books and archives and allows viewing in your browser
  • DocuPub: Converts documents to PDF or image format including files from Microsoft Works, WordPerfect, Lotus, Microsoft Office and a large number of image formats
  • Konwerter: Converts documents, images, ebooks, and pdf's. Deletes your files at conclusion of process.
  • MergeFiles.es: Combine/merge multiple files of varying formats. Choose output to PDF, doc, Excel, PowerPoint (Coming), and MP3. Files retained only temporarily.
  • Online Converter: Free audio, video, image, document, e-book, and hash generator.
  • pdf2x: Sciweavers' pdf conversion tool that extracts images from pdfs, converts pdf to thumbnails, text or postcscript, divides a pdf into single pages or repairs if possible damaged pdf files.
  • pdf4Kindle.com: Convert pdf documents to mobi or azw. Supports Mac, Windows, or Linux. Also available as Chrome extension.
  • Smallpdf: Suite of tools to compress, merge, split, unlock and convert images to and from pdf, and Word-Excel-PPT to pdf. . Convert suitable doc, docx, epub, fb2, html, lit, lrf, mobi, odt, pdb, pdf, prc, rtf and txt files to epub, fb2, lit, lrf or mobi. Available as 7 individual Chrome extensions
  • Also check out Productivity PDF Tools
Multimedia Converters
  • Apowersoft Free Video to MP3 Converter: Video to MP3 converter of online video files or streaming video as well as support for MAC and Windows video.
  • i2img: One of Sciweavers tools supporting and converting the following formats:PG, PNG, BMP, GIF, TIFF, PBM, PGM, PPM, WMF, SGI, PDF, EPS, FIG, PS, SVG, RGB Sciweavers Chrome apps available
  • Media.io: Online audio converter that converts nearly 30 file types.
  • Online Audio Converter (123apps): Part of the suite of tools from 123apps. Convert a wide variety of formats, convert multiple files at once and extract audio from video. Chrome app available
OCR Converters
  • i2OCR: Sciweavers' online OCR tool to extract text from images in 60 + languages and allows for unlimited uploads. Extracts text from images so that it can be edited, formatted, indexed, searched, or translated. Example with Comparison to Online OCR Sciweavers Chrome apps available
  • NewOCR: Online OCR service analyzing uploaded or online images for text, recognizes 58 languages, and outputs to a doc, pdf, or txt file. Example
  • OCR Space: Converts scans or (smartphone) images of text documents into editable files and download results as Text. Example
  • Online OCR: Extracts text from PDFs and images in 46 languages to Word, Excel or Text formats. Example with Comparison to i2OCR

List Updated March 2018