The little jobs you look up again and again, each in a clean space that stays out of your way. The work happens in your browser, so your files stay with you.
Turn text, a logo or an emoji into a full favicon pack with the HTML to match.
Build a tidy signature and copy it straight into your email.
Draw or type your signature and download it as a transparent PNG.
Make a crisp QR code for any link, in your colours, as PNG or SVG.
Test any colour pairing against WCAG AA and AAA.
Shrink a heavy image to a sensible size for web or email.
Swap an image between PNG, JPEG and WebP in a click.
Join PDFs into one, or pull out the pages you need.
Live counts for words, characters and reading time as you type.
Any case you need, from title case to a clean URL slug.
Tidy, validate or minify JSON, with errors in plain words.
Lift the subject off its background, right in the browser.
Bring a heavy PDF down to a sensible size for email.
Encode text to Base64 or decode it back, either way.
Pick a colour and get HEX, RGB, HSL and a set of shades.
Generate v4 UUIDs, one or a whole batch, ready to copy.
Compare two blocks of text and see what changed.
Write Markdown, preview it, and copy clean HTML.
Convert between Unix time and a readable date.
Placeholder text by the paragraph, sentence or word.
Turn SVG code or a file into a crisp PNG at any size.
Turn a CSV into clean JSON, with headers as keys.
Size a photo for profile pictures and banners, then download.
Put two pieces of music one after another and download a WAV.
White, pink and brown noise with an optional 432 Hz tone. Play and relax.
Type a script and hear it read aloud in a natural voice.
Three rules, kept honestly.
One small sponsor at most, and plenty of room to breathe around every tool.
Files are handled inside your browser and stay on your own device.
Use them as much as you like and keep whatever you make. No account needed.
Kalmtools is made by Outside of the Fox, a design and learning studio in Stockport. We take the confusing, the half-built and the not-yet-existing, and turn it into websites, e-learning, accessibility audits and digital products that work.
New tools and Field Notes land on Instagram first. No inbox, no account, just follow when you fancy.
