Blood Pressure Category Checker - Online AHA & ESC Guideline Tool
Interpret your blood pressure reading based on American Heart Association and European Society of Cardiology categories. Visual gauge with actionable health insights.
UD5 Toolkit
Select the fire classes you need protection for â we'll show the right extinguisher.
Wood, Paper, Cloth
Flammable Liquids
Electrical Equipment
Combustible Metals
Cooking Oils & Fats
| Fire Extinguisher | Class A | Class B | Class C | Class D | Class K | Notes |
|---|
Suitable Use with caution Unsafe
Interpret your blood pressure reading based on American Heart Association and European Society of Cardiology categories. Visual gauge with actionable health insights.
Create printable sight word flashcards from Dolch or Fry lists by grade level. Choose font size and card layout. Local only.
Create categorized shopping lists (produce, dairy, meat, etc.). Add items, check them off, and print. Data stored in your browser. Never lose a list.
Stack multiple background images and blend them with colors. Create unique textures. Copy the CSS code instantly.
Guided breathing exercises with animated circle for inhale/hold/exhale. Includes box breathing, 4-7-8, and resonant breathing patterns. Customizable intervals.
Create a weighed pros and cons list with a score. Help make tough decisions. Data saved locally.
Enter a URL and extract tabâindex order violations and focusable elements. Quick accessibility audit. Clientâside fetch.
Enter a URL and a userâagent to see if it is allowed or blocked by the robots.txt file. Quick bot validation.
Patch the PerformanceObserver and show your pageâs Core Web Vitals as you browse. See realâtime scores and suggestions.
Create seamless CSS background patterns like stripes, polka dots, checkerboard. Adjust size and colors. Copy the tiny CSS.
Simulate reduced motion preference and test your animations. Copy the media query snippet. Keep your users safe.
Build a simple decision tree by adding yes/no nodes. Flowchart style. Export as text outline.
Inspect any website's SSL/TLS certificate details: issuer, expiry date, subject, and SANs. Verify certificate chains. All checks are private and require no server upload.
Paste your CSS and strip all `!important` declarations in one click. See a list of affected rules. Local tool.
Replace long CSS class names with short random strings. Map generated. For production optimization.
Paste your full CSS and HTML; automatically identify and extract the styles needed for the visible part. Reduce renderâblocking resources.
Visually create the glassmorphism effect: background blur, transparency, and border. Copy the complete CSS. Modern UI design.
Turn a cardinal number (23) into its ordinal form (23rd). Supports large numbers. Simple and quick.
Paste word pairs (or load pre-made sets) and practice with randomized flashcards. Flip to reveal translation, mark as known/unknown. Local data, no login.
Enter a regular expression and see a visual railroad diagram explaining the pattern. Learn and debug regex.
Paste text and quickly highlight potential proper nouns (capitalized sequences). Aid for editing or anonymization. Simple regex-based, local.
Create a CAA DNS record to specify which certificate authorities can issue SSL certs for your domain. Prevent misâissuance.
Apply contentâvisibility: auto to offâscreen sections and see the rendering cost drop. Demos for infinite scroll optimization.
Beautify and format your CSS stylesheets instantly. Organize, minify, or prettify CSS code for better readability. Processed securely on client-side.
Add, remove, push, pop items and watch the data structure change visually. Supports arrays, stacks, and queues. For CS students.
Paste HTML and extract all unique dataâ* attributes into a clean list. Understand the data model of a page.
Enter an acronym and see its most common full forms. Static dictionary. No internet needed after load.
Type an abbreviation and its full form to get the proper `<abbr title='...'>` HTML. For accessible markup.
Paste HTML and detect elements with ariaâhidden='true' that contain focusable children. An easy a11y win to fix.
Generate customizable alphabet tracing sheets with uppercase and lowercase letters. Select letters to focus on. Instant print. Local only.