Is File Format Converter free to use?

Yes. File Format Converter is free, has no usage cap and does not require an account. There is no paid tier that unlocks extra output.

Does my data get uploaded to a server?

No. The tool is a JavaScript function that runs inside your browser tab. Nothing you paste or drop in is transmitted, logged or stored by us.

Do I need to create an account?

No account, no email address and no sign-in. Open the page and start working.

Does it work on a phone or tablet?

Yes. The interface is responsive and works in mobile Chrome, Safari, Edge, Firefox and Samsung Internet. You can also install Toolspea as an app from the browser menu.

Can I use the output commercially?

Yes. You keep every right you already had over the input, and we claim nothing over the output.

File tools

File Format Converter

Batch-convert images between PNG, JPEG and WebP in the browser.

Drop files here, or choose from your device

Processing happens inside this tab — nothing is uploaded.

Options

Convert to

Quality %

Max width in px (0 = keep original)

Bundle results into a ZIP

What is File Format Converter?

File Format Converter decodes each selected image with the browser's own codecs and re-encodes it into the format you pick, optionally resizing on the way. It handles batches and returns either individual downloads or a single ZIP.

How to use it

1Select any number of images.
2Choose the target format, quality and optional width cap.
3Wait for the batch to finish converting.
4Download the ZIP or grab individual files.

Features

Batch conversion with per-file size reporting
WebP, JPEG and PNG output
Optional resize with aspect ratio kept
Strips EXIF, including GPS, as a side effect

When people use it

Migrating an image library

Convert a folder of PNG exports to WebP before uploading them to a CMS.

Preparing email assets

Some clients still reject WebP; batch-convert back to JPEG in one pass.

Known limits

Input formats are limited to what your browser can decode — HEIC support varies by platform.