Files stay on your device
Files stay on your device

Free online file converter.

Images · Audio · Video — your files never leave your browser.

Drop your files here

Supports JPG, PNG, WEBP, GIF, BMP, AVIF, TIFF, SVG · Select multiple at once

No upload Instant 100% private No size limit
JPGPNGWEBPAVIFGIFBMPTIFFSVGPDFMP3WAVAACOGGFLACMIDIMP4WEBMMOVMKVAVI
Free tool — no sign-up

A full image editor in your browser.

Layers, masks, brushes, filters, background removal, curves, and more — all running locally. No Photoshop needed.

Layers & Masks Brush Tool Background Removal Curves & Levels Crop & Resize Selection Tools Blend Modes Filters & FX
Open Image Editor
filesmith_ — Image Editor
Layers
Shape 1
Background
Color
Your files never leave your device
Everything runs directly in your browser using WebAssembly. No files are uploaded to any server — ever. What you convert or edit stays on your machine.
Edit before you convert
Crop, resize, rotate, remove backgrounds, and adjust brightness or contrast right in the browser — no extra apps needed. Try the free image editor →
Batch convert anything
Drop an entire folder of images at once. Preview each one side-by-side before saving. Edit and convert all with a few clicks.
1
Drop your files
Drag images or video onto the box, or click to browse. Batch upload a whole folder at once.
2
Edit or convert
Crop, resize, rotate and adjust your images. Or pick a format and quality level for conversion.
3
Save your files
Download one at a time or hit Save All. Your files are ready instantly.
Images & PDF — convert between any of these
JPG / JPEGPNGWEBPAVIFGIFBMPTIFFSVGPDF
Audio — convert between any of these
MP3WAVAACOGGFLACM4AMIDI ♪
Video — compress and convert
MP4WEBMMOVMKVAVIFLVGIFMP3 ♪
How does Filesmith keep my files private?
Your files never leave your device. Filesmith runs entirely in your browser using WebAssembly and the Canvas API — the same technology browsers use to render games and video. There's no server receiving your files. Nothing is uploaded, logged, or stored anywhere.
What's the difference between the converters and the image editor?
The converter on this page is for quickly changing file formats (JPG to WEBP, MP4 to MP3, and so on) and simple edits like cropping or resizing. The image editor is a full editing suite with layers, masks, brushes, background removal, curves, filters, and more — closer to a Photoshop alternative, also running fully in your browser.
Do I need to install anything or create an account?
No to both. Filesmith is a free web app that runs directly in your browser. There's nothing to download, no installer, no account, and no email required. Just open the page, drop your files, and go.
Which browsers does Filesmith work in?
Any modern browser with WebAssembly support: Chrome, Firefox, Safari, and Edge on both desktop and mobile. For best performance, use an up-to-date version of Chrome or Firefox. Very old browsers (pre-2018) may not support all features.
More questions? See our full FAQ·tips and guides on the blog

Select a file to preview
and adjust settings.

Rendering…
Smallest100%Best
Original
Output
Savings
Dimensions
↓ Download
.webp
Privacy Tools
100%
Drag handles to crop
QUALITY PREVIEW
Original frame
Converted frame
◀▶
ORIGINAL CONVERTED
Drag to compare · Tap ✕ to close · Quality reference only
Size:
SmallestBalancedBest quality
Original
Est. Output
Est. Savings
0%
↓ Download
.mp4
Original
Est. Output
Est. Savings
0%
.mp3
🎹 Audio → MIDI
AFull Mix
Whole audio → 1 MIDI track. Best for solo instruments or simple melodies.
B2 Tracks
Splits pitched notes from drums via signal processing. Outputs melody + drums as separate MIDI tracks.
C4 Tracks
Separates drums, bass, melody, and other into 4 MIDI tracks using spectral analysis. May take a moment on longer files.
Processing…