Web Performance Checklist - Online Quick Audit
Answer questions about your page (image size, caching, fonts) and get a tailored list of optimization tips. Manual audit helper.
UD5 Toolkit
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Answer questions about your page (image size, caching, fonts) and get a tailored list of optimization tips. Manual audit helper.
Paste text with highlights (e.g., from Apple Books) and extract only the highlighted lines. Save as list.
Paste text and align it left, center, right, or fully justify by inserting spaces. Simple formatting helper. Pure browser.
Generate a random book title with a subtitle. Good for writing prompts or just for laughs.
Choose from a list of 50 values and narrow down to your top 5. Understand what drives you. Private.
Convert Markdown to styled HTML that retains formatting when pasted into Google Docs or Word. Headings, bold, lists. Clientβside.
Touch the screen and see the exact coordinates, radius, and force of each touch point. Indispensable for mobile web devs.
See the healthy weight range for your height using standard BMI chart. Genderβspecific data. Quick reference.
Take a lighthearted inventory of your character strengths (not official VIA). Self-reflection tool. All in browser.
Pick a contact from the deviceβs address book (mobile). Read name, email, and phone. All permissionβbased. Privacy safe.
Enter a city to get current UV index forecast using open data (with local caching). Understand sun protection needs. No personal location used.
Select logical operators (AND, OR, XOR, NAND) and generate a complete truth table. Handy for digital logic.
Decode the header and payload of a JSON Web Token (JWT) without verifying the signature. Inspect claims securely on the client side. Great for developers.
Query the permission state of camera, microphone, geolocation, and more. See the response and learn the API.
Click for a warm, quirky compliment to brighten someone's day. Great for social media and morale boosting.
Convert integers into short, unique, YouTubeβstyle IDs (hashids) and decode them back. Customize salt and minimum length.
Force more or less contrast and see how your page adapts. Test your CSS media queries for accessibility.
Paste JSON and instantly see if any object has duplicate keys. Quick syntax spotter.
Simulate zenithal priming and contrast/speed paints over a 3D bust. Understand light and shadow placement before you paint. Great for tabletop miniatures.
Paste your script and get an approximate speech duration based on slow/average/fast pace. Avoid overtime.