Bulk Image Converter

Free

Convert multiple images to any format at once

About Bulk Image Converter

Converting images one at a time is tedious when you've got dozens or hundreds to deal with. This bulk converter lets you change a whole pile of images to the format you need in a single click, saving you a lot of clicking.

Upload all your images, choose a target format, and download everything neatly packed in a ZIP. It handles mixed input formats in one go and works right in your browser with no account. Your files are processed and then removed, so even a big batch of private images stays private.

Common uses

  • Converting an entire folder of images to one format at once
  • Standardizing mixed image types before uploading to a CMS
  • Batch-processing photos for a website or catalog
  • Saving time when dozens of files need the same conversion

How to use

  1. 1

    Upload your file

    Click the upload area or drag & drop your file. Supports *. Up to 50 MB.

  2. 2

    Adjust settings

    Use the options panel to customise the output — quality, format, size and more.

  3. 3

    Click "Process — Bulk Image Converter"

    Click the process button. Your file is converted instantly on our secure servers.

  4. 4

    Download your result

    Preview and download your converted file. No watermarks, no quality loss, no expiry.

Why ToolHub?

  • 100% Free — no hidden costs, no subscriptions
  • No signup or account required
  • Works in your browser — no software to install
  • Privacy first — files processed and deleted immediately
  • Batch conversion — convert multiple files at once
  • High quality output — no watermarks, no quality loss
  • Supports 30+ input formats including RAW, HEIC, BMP, TGA
  • Lightning fast — most conversions complete in under 5 seconds

FAQ

How are the converted images returned?

All converted files are bundled into a single ZIP archive so you can download the whole batch in one click.

Can the input images be different formats?

Yes. You can mix formats in one batch and convert them all to your chosen output format together.

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

You can convert large batches at once, though very big sets may take a little longer to process.

How many images can I convert at once?

Upload as many images as needed. All files are processed in parallel and bundled into a single ZIP download.

What output formats are supported for bulk conversion?

JPG, PNG, WebP, AVIF, GIF, TIFF and more. All images in the batch convert to the same target format.

Are the original filenames preserved?

Yes — the output files keep the original names with the new extension (e.g., photo.jpg → photo.webp).

Can I use Bulk Image Converter on mobile?

Yes — ToolHub is fully responsive and works on iPhone, Android, tablets and all modern browsers. No app install needed.