Free Online File Converters

Convert images, work with PDFs and pull text out of scans — 21 free tools that run entirely in your browser. No uploads, no signup, no watermark.

  • Files never leave your device
  • No waiting in an upload queue
  • No daily limits
  • Batch convert & ZIP download

Image converters

Switch between JPG, PNG, WebP, HEIC, AVIF and SVG, or shrink and resize photos.

PNG to JPGTurn PNG screenshots, exports and graphics into compact JPG files without sending them anywhere.JPG to PNGSave JPG photos and images as lossless PNG files, right in your browser.WebP to PNGTurn WebP images saved from websites into PNG files that open in practically any app, with transparency intact.WebP to JPGChange WebP images into universally supported JPG photos in a few clicks.PNG to WebPShrink PNG graphics, screenshots and transparent images by converting them to WebP, without uploading anything.JPG to WebPMake photo-heavy pages lighter by turning JPG images into WebP.HEIC to JPGTurn iPhone HEIC photos into JPG files that open on Windows, Android and any website.AVIF to JPGTurn AVIF images into JPG files that every app and website accepts.SVG to PNGTurn SVG icons, logos and illustrations into PNG images at the size you need, with a transparent background.Compress ImageMake JPG, PNG and WebP images smaller for email, forms and websites.Resize ImageChange the dimensions of JPG, PNG and WebP images by exact pixels or by percentage.

PDF tools

Turn PDF pages into images, images into PDFs, and merge, split or rotate documents.

PDF to JPGTurn every page of a PDF, or just the pages you need, into JPG images.PDF to PNGA PDF to image converter that saves pages as lossless PNG files, ideal for text-heavy pages, charts and technical drawings.JPG to PDFCombine one or many images into a single PDF, one image per page.Merge PDFJoin PDF files, up to 50 at a time, into a single document in the order you choose.Split PDFBreak a PDF into single pages, cut it into custom ranges, or pull out just the pages you need.Rotate PDFFix sideways or upside-down pages and save the PDF with the new orientation.Image to PDFTurn screenshots, photos and pictures in any common format into one PDF, one image per page.Delete PDF PagesRemove unwanted pages from a PDF by typing their numbers.

OCR — extract text

Pull editable text out of photos, screenshots and scanned PDFs in over a dozen languages.

Image to Text (OCR)Convert any picture to text you can edit: photos, screenshots and scanned pages all work.PDF to Text (OCR)Extract text from PDF files of any kind, including scanned documents.

How in-browser conversion works

Most online converters upload your file to a server, convert it there and send the result back. Krawly's converters skip the round trip: the conversion code itself is loaded into your browser, so the file is read and processed on your own device.

Images are decoded by your browser and re-encoded with its built-in canvas encoder; iPhone HEIC photos use libheif compiled to WebAssembly. PDF pages are rendered with PDF.js, the PDF engine behind Firefox's viewer, and edited with pdf-lib. Text recognition uses Tesseract, the open-source OCR engine, also compiled to WebAssembly.

Because nothing is uploaded, contracts, ID scans, invoices and personal photos stay private, and large batches are not slowed down by your upload speed.

Frequently asked questions

Are my files uploaded to a server?

No. Every converter on this page runs inside your browser with JavaScript and WebAssembly. The file is read from your device, converted in memory and handed back as a download. Nothing is sent to Krawly, so there is nothing to store or delete afterwards.

Is there a limit on how many files I can convert?

There is no daily limit and no account needed. Image converters take up to 50 files per run (OCR takes 20), and you can start another run straight away. Individual files can be up to 50 MB for images and 200 MB for PDFs.

Do the converters add a watermark?

No. The output is exactly the converted file — no watermark, no added pages and no branding.

Why is the first OCR run slower than the next ones?

Text recognition needs the Tesseract engine and a language model, a few megabytes per language. They download the first time you use OCR and are then cached by your browser, so later runs start almost immediately.

Which browsers are supported?

Current versions of Chrome, Edge, Firefox and Safari on desktop and mobile. Conversion speed depends on your device, and very large images or long PDFs are handled more comfortably on a computer than on a phone.