MUTools

Right next to your work.
Your handy toolbox

Free, no signup. A minimal toolset that runs entirely in your web browser.
For those "just one more thing" moments at work.

All tools

Image Compressor

Reduce JPG / PNG file size in your browser (quality slider for JPG, lossless optimization for PNG).

Image Cropper

Crop JPG / PNG / GIF images in your browser with aspect ratio presets or precise numeric coordinates.

WebP Converter

Convert JPG / PNG / SVG to lightweight WebP in your browser (batch up to 10 files, ZIP download supported).

Image Resizer

Resize JPG / PNG / GIF / WebP images in your browser by pixel, by percent, or with aspect ratio locked.

PDF Merger

Combine multiple PDFs into one entirely in your browser (up to 10 files, drag-and-drop reordering).

PDF Splitter

Split a PDF into multiple files entirely in your browser (even split or page-range, ZIP download supported).

PDF Text Extractor

Extract text from a PDF entirely in your browser (page-range selection, page-break insertion, copy and .txt download supported).

Character Counter

Count characters, characters-excluding-whitespace, and line count of any text in real time.

JSON Linter

Validates JSON syntax and formats it with your chosen indent.

Site Metadata Extractor

Pull title / description / robots / canonical and more from URLs, with CSV download.

OGP Checker

Pull OGP / Twitter Card metadata from a URL and preview how it appears as a share card on X and Facebook.

Heading Extractor

Pull title / description / h1–h6 from URLs, with SEO diagnostics and CSV download.

IP Address Lookup

Show your global IP, country / region, hostname, and your device / browser info on a single page.

Whois Lookup

Look up registration date, expiry, days-to-expiry, name servers, registrar, DNSSEC, and more for up to 10 domains / URLs / IPs at once, with CSV download.

Slack Custom Emoji Generator

Create Slack custom emoji (128×128 / 128 KB) from text or images entirely in your browser (fonts, colors, alignment, outline, GIF animation supported).

QR Code Generator

Turn URL / contacts / Wi-Fi / mail / event / geo / SMS / phone / text into a QR code image. Pick size, format, color, and logo. Runs entirely in your browser.

Random Picker

Pick 1–N entries at random from a text list or a number range. No-duplicate mode, reel animation, and saved history supported. Runs entirely in your browser.

Color Picker

Extract color codes from an image. Use the loupe to zoom in and grab pixel-level values, with HEX / RGB / HSL switching and palette export. Runs entirely in your browser.