Every tool you need for your files, right in your browser
Compress, convert, resize, crop, rotate and watermark images, work with PDFs and data. Free, private and unlimited: nothing is uploaded.
- NewCompress imageShrink JPG, PNG, WebP and GIF while keeping them sharp, or hit an exact KB limit.
- NewResize imageSet a longest side, a percentage or exact pixels for a whole batch of photos.
- NewCrop imageDrag a crop box on one image, or cut the same aspect ratio from many at once.
- Convert to JPGTurn HEIC, PNG, WebP, AVIF, TIFF, BMP, GIF or SVG photos into JPG in bulk.
- Convert from JPGTurn JPG into PNG, WebP, GIF, TIFF, BMP or a favicon ICO.
- NewRotate imageRotate many JPG, PNG or WebP images at the same time, or flip them.
- NewWatermark imageStamp text or a logo over your images. Choose the size, transparency and position.
- WebP to PNGOpen WebP downloads in any app by converting them to PNG or JPG.
- Passport photoCrop to the official size for India, US, UK, Schengen and 40+ countries, with KB caps.
- India passport size photo3.5 × 4.5 cm, 2 × 2 inch, PAN, SSC, UPSC and other Indian form sizes.
- Image to PDFCombine JPG, PNG, HEIC or WebP pictures into one PDF, fit or A4.
- PDF to JPGRender every page as a JPG or PNG at the resolution you choose.
- Compress PDFShrink a PDF by re-encoding the scans and photos inside it.
- Merge PDFJoin several PDFs into one document in the order you want.
- Split PDFExtract pages or ranges like 1-3, 5, 8-10 into separate files.
- PDF to WordRebuild a PDF as an editable .docx with paragraphs, headings and pictures.
- PDF to textPull the text layer out of a PDF as a plain .txt file.
- JSON to CSVFlatten JSON into a spreadsheet-ready CSV, or go the other way.
- YAML ⇄ JSONConvert config files between YAML, JSON, CSV and TSV.
- Markdown to HTMLRender Markdown to clean HTML or plain text.
- Base64 encodeEncode any file as Base64 for embedding in CSS, HTML or JSON.
Private. Kuch bhi upload nahi hota.
One converter for everything
fileio bundles the conversions people actually need: iPhone HEIC photos to JPG, WebP downloads to PNG, image compression to an exact KB limit, images to a single PDF, JSON to CSV, and passport photos cropped to the exact size a government asks for.
Use the tabs above to switch between Images, ID Photo, PDF, and Data & Text.
Private by design
Most online converters upload your files to a server. fileio does not. The engines (Rust compiled to WebAssembly) run inside the browser tab, so the files stay on your computer or phone. There are no accounts, no file-size limits and no watermarks.
Frequently asked questions
Is fileio really free?
Yes. There are no accounts, quotas, watermarks or paid tiers. The work happens on your own device, so there is no server cost to pass on.
Are my files uploaded?
No. The engines are compiled to WebAssembly and run inside the browser tab, so your files never leave your device. The tools work with Wi-Fi switched off once the page has loaded.
Does it work on a phone?
Yes. It runs in Safari on iPhone and Chrome on Android, including HEIC photos straight from the camera roll.