Private by design — nothing is uploaded

Every file tool you need, right in your browser.

Compress, convert and edit images, videos, audio and documents in seconds. Everything runs on your device — no uploads, no sign-up, no limits.

Image9 Video13 Audio8 Developer2 Text1

Image tools

Compress, resize and convert JPG, PNG and WebP images in your browser. Fast, free and private — no upload needed.

View all

Popular

Compress Image

Shrink JPG, PNG and WebP files by up to 90% while keeping them sharp. Batch-compress in seconds, right in your browser.

Resize Image

Change the width and height of your images in pixels or percent. Batch-resize photos while keeping the aspect ratio.

Image Converter

Convert between JPG, PNG and WebP in one click. Batch-convert with adjustable quality, fully in your browser.

PNG to JPG

Turn PNG images into JPG files, ideal for photos and universal compatibility. Batch-convert instantly without uploading anything.

JPG to PNG

Turn JPG images into PNG files, ideal for lossless quality and transparency. Batch-convert instantly without uploading anything.

WebP to JPG

Turn WebP images into JPG files, ideal for photos and universal compatibility. Batch-convert instantly without uploading anything.

WebP to PNG

Turn WebP images into PNG files, ideal for lossless quality and transparency. Batch-convert instantly without uploading anything.

PNG to WebP

Turn PNG images into WebP files, ideal for the smallest files for the web. Batch-convert instantly without uploading anything.

JPG to WebP

Turn JPG images into WebP files, ideal for the smallest files for the web. Batch-convert instantly without uploading anything.

Video tools

Compress, convert and trim videos directly in your browser with no upload.

View all

Popular

Compress Video

Shrink large videos for email, chat apps and the web. Everything runs in your browser — your video is never uploaded.

Video Converter

Convert between MP4, MOV, MKV, WebM and AVI. Compatible files convert instantly without any quality loss.

Trim Video

Cut the part you need from any video. Lossless instant cuts or frame-accurate trimming, right in your browser.

New

Video to GIF

Turn a moment from any video into a crisp, looping GIF with an optimized colour palette.

Extract Audio from Video

Pull the audio out of any video and save it as MP3, M4A or WAV in seconds.

Popular

MP4 to MP3

Turn MP4 files into MP3, ideal for universal playback on any device. Fast, free and completely private.

Mute Video

Strip the audio track from a video instantly — the picture stays exactly the same.

MOV to MP4

Turn MOV files into MP4, ideal for sharing and playback on every device. Fast, free and completely private.

MKV to MP4

Turn MKV files into MP4, ideal for sharing and playback on every device. Fast, free and completely private.

WebM to MP4

Turn WebM files into MP4, ideal for sharing and playback on every device. Fast, free and completely private.

AVI to MP4

Turn AVI files into MP4, ideal for sharing and playback on every device. Fast, free and completely private.

MP4 to WebM

Turn MP4 files into WebM, ideal for embedding in websites with open codecs. Fast, free and completely private.

MP4 to GIF

Turn MP4 files into GIF, ideal for short looping animations in chats and docs. Fast, free and completely private.

Audio tools

Compress, convert and cut audio files in your browser. Free and private.

View all

Audio Converter

Convert between MP3, WAV, M4A, FLAC and OGG with the bitrate you choose.

Compress Audio

Make audio files smaller by lowering the bitrate or converting to mono — ideal for voice notes and podcasts.

Trim Audio

Cut out the part of a song or recording you need — perfect for ringtones, intros and voice clips.

WAV to MP3

Turn WAV files into MP3, ideal for universal playback on any device. Fast, free and completely private.

M4A to MP3

Turn M4A files into MP3, ideal for universal playback on any device. Fast, free and completely private.

FLAC to MP3

Turn FLAC files into MP3, ideal for universal playback on any device. Fast, free and completely private.

OGG to MP3

Turn OGG files into MP3, ideal for universal playback on any device. Fast, free and completely private.

MP3 to WAV

Turn MP3 files into WAV, ideal for uncompressed editing and production. Fast, free and completely private.

Developer tools

Format JSON, encode Base64 and other everyday developer utilities that run locally in your browser.

View all

Popular

JSON Formatter

Beautify, minify and validate JSON instantly with syntax highlighting and precise error locations.

Base64 Encode / Decode

Convert text and files to Base64 and back. UTF-8 safe, URL-safe variant and data URL output included.

Text tools

Count words and characters and work with text instantly in your browser.

View all

New

Word Counter

Count words, characters, sentences and paragraphs as you type, with estimated reading and speaking time.

Why people use Toolbox

Built on modern browser technology so your files never have to leave your computer.

100% private

Files are processed locally with WebAssembly and Web Workers. Nothing is sent to a server.

Fast

No upload or download wait. Processing starts the moment you drop a file.

Free, no sign-up

Every tool is free with no account, watermark or daily limit.

Works everywhere

Runs in any modern browser on Windows, macOS, Linux, Android and iOS.

Frequently asked questions

Are my files uploaded to a server?

No. All processing happens inside your browser. Your files never leave your device, which makes the tools safe for private and confidential documents.

Is it really free?

Yes. All tools are free to use without registration, watermarks or usage limits.

Why is processing speed different on different devices?

Because the work is done by your own device, a faster computer finishes sooner. Very large videos may be slow on older phones.