About

Small file requirements should not be a big obstacle.

A photo that is a little too large. A document in the wrong format. WhatTheFile helps you get a file ready, without uploading it to us or creating an account.

Start with what the form asks for

Instructions like “JPG under 100 KB” or “600 × 600 pixels” should not mean an afternoon of trial and error. Paste the requirement, check what we understood, and prepare a copy in your browser.

You can also go straight to a task on the Tools page. The guides explain the steps and the details worth checking before you share the result.

A few things you can do

• Resize or compress a photo, change its format, and adjust the framing when a crop is needed.
• Turn an image or Word document into a PDF, or make an existing PDF smaller.
• Turn Markdown notes into an editable Word document.
• Cover private details in a PDF or photo before sharing a copy.
• Check a prepared file against the size, dimensions and format we understood from your instructions.

Know what to check

A file can meet its size limit and still be unsuitable for a form. We cannot judge a face, signature or background, or promise that a portal will accept your file. Some conversions also lose document features or change the layout. We explain those limits in the tools and guides so you can decide what works for you.

Your privacy

Your files and tool inputs stay in your browser. We use Cloudflare Web Analytics to understand overall website traffic and performance, not what you type into the tools. The privacy policy explains what is collected and how feedback is handled.