Convert PDF, Word, JPG, PNG, WebP, HEIC, CSV, Excel and JSON files instantly. Pick a file, choose a target format, and download the result — nothing is ever uploaded to a server.
Most online file converters work by uploading your document to a server, converting it there, and sending the result back — which means your file, and potentially anything sensitive inside it, passes through a third party's infrastructure. This tool works differently: every conversion — decoding the original file, re-encoding it into the new format, and generating the download — happens entirely inside your browser using your device's own processing power.
Choose a file, pick the format you want it converted to from the list of available targets, and click Convert. The result downloads directly to your device. Nothing is transmitted, logged, or stored — not even temporarily — by this site.
Not every format can convert to every other format — the list below shows exactly what's available for each source file type, so there are no surprises.
📕 Converting an existing PDF (to images or otherwise), or turning images into a PDF? That's handled by the dedicated PDF Toolkit — with page selection, quality control and layout options this table doesn't cover.
| Source Format | Can Convert To |
|---|---|
| JPG / PNG / WebP / BMP | JPG, PNG, WebP, BMP |
| HEIC (iPhone photos) | JPG, PNG, WebP |
| Word (.docx) | PDF, JPG, PNG |
| CSV | Excel (.xlsx), JSON, PDF |
| Excel (.xlsx) | CSV, JSON, PDF |
| JSON | CSV, Excel (.xlsx) |
Every file format is a trade-off. PDF preserves exact layout and is universally viewable, which makes it the right choice for anything you need to look identical on every device — invoices, contracts, printed documents. But a PDF is difficult to edit and awkward to insert into a web page or slide deck, which is why converting it to JPG or PNG is often the more practical option when you just need the visual content, not an editable document. That conversion — along with merging, splitting, compressing and everything else involving an existing PDF — now lives in the dedicated PDF Toolkit.
Image formats have the same kind of trade-offs. JPG compresses well and is supported everywhere, making it the default for photographs, but it doesn't support transparency and loses a little quality every time it's re-saved. PNG is lossless and supports transparent backgrounds, which makes it the better choice for logos, screenshots and graphics with sharp edges or text — at the cost of a larger file size. WebP typically gives the smallest file size of the three at an equivalent quality level and is supported by all modern browsers, but older software sometimes doesn't recognise it, which is where converting back to JPG or PNG becomes useful. HEIC is Apple's default photo format on modern iPhones — it compresses extremely well, but a large amount of non-Apple software, and many websites, still can't open it directly, which is by far the most common reason people need to convert it.
Data formats follow the same logic in a different domain. CSV is the simplest, most universally compatible way to move rows of data between systems — almost every piece of software that deals with spreadsheets or databases can read it. Excel's native format (.xlsx) keeps formatting, multiple sheets and formulas intact, which CSV can't. JSON is the format of choice when data needs to be consumed by code rather than read by a person, since it preserves structure — nested objects, arrays, and data types — in a way a flat spreadsheet can't. Converting between the three is one of the most common everyday tasks in office and IT work, and it's exactly what the tool above handles.
No. Every conversion runs locally in your browser using JavaScript. The libraries that power each conversion are loaded from a CDN the first time you use a given format, but your actual file — and the converted result — never leaves your device.
There's no artificial limit imposed by this tool, but because conversion happens on your own device, very large files (hundreds of megabytes) or PDFs with a large number of pages can be slow or use a lot of memory depending on your device. For everyday documents, photos and spreadsheets, performance is near-instant.
Some conversions genuinely can't be done reliably in a browser — turning a photo into an editable Word document requires OCR and layout reconstruction that's beyond what runs client-side, for example. Rather than offer a conversion that produces a poor or broken result, the target list only shows options that actually work well for the format you've selected.
Simple documents — text, headings, basic formatting — convert cleanly. Complex layouts with multi-column text, precise table positioning, or embedded objects may not come out pixel-perfect, since browsers can't fully replicate Word's own rendering engine. For everyday letters, CVs and reports it works well.
Yes. Converting a Word document to PDF automatically splits the content across multiple pages, the same way printing would. For turning an existing multi-page PDF into images (or images into a PDF), use the PDF Toolkit — it handles page selection and bundles multi-page results into a ZIP automatically.