Free online tools
A growing collection of small, free tools for product, design, and development work. No sign-up — and most run right in your browser, so nothing you load gets uploaded.
Demos & recording
03Screenshots & images
06Screenshot Annotator
Add arrows, boxes, text, and blur — all in your browser.
Image Resizer
Resize an image to exact pixel dimensions.
Image Compressor
Shrink JPG and WebP without losing quality.
Image Converter
Convert between PNG, JPG, and WebP instantly.
Browser Frame
Wrap a screenshot in a clean browser window mockup.
Favicon Generator
Generate every favicon size from one image.
Color & design
05Text & writing
06Word Counter
Live word, character, sentence, and reading-time counts.
Case Converter
UPPER, lower, Title, camelCase, snake_case, and more.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Slug Generator
Turn a title into a clean URL slug.
Text Diff Checker
Compare two blocks of text and highlight changes.
Remove Line Breaks
Strip or normalize line breaks in pasted text.
Developer
08JSON Formatter
Format, validate, and minify JSON instantly.
Base64 Encode / Decode
Convert text to and from Base64.
UUID Generator
Generate v4 UUIDs in bulk, one click.
Password Generator
Strong random passwords, generated in your browser.
URL Encode / Decode
Percent-encode or decode URL components.
Hash Generator
Generate SHA-1/256/384/512 hashes from text.
Timestamp Converter
Convert Unix timestamps to and from dates.
JWT Decoder
Decode and inspect a JSON Web Token.
Marketing & GTM
05UTM Link Builder
Build campaign-tagged tracking URLs.
Read Time Calculator
Estimate how long a piece of content takes to read.
Meta Tag Generator
Generate SEO and Open Graph meta tags.
Email Signature Generator
Build a clean HTML email signature.
Demo ROI Calculator
Estimate the payoff of self-serve interactive demos.