Unicode Blocks Browser - Online Explore All Scripts
Browse Unicode by block: Latin, Cyrillic, CJK, Emoticons. See characters and copy with a click. Full reference.
UD5 Toolkit
Simulate browser redirect behaviour or test live URLs (with CORS support) to see exactly how browsers follow each redirect step.
Access-Control-* headers. Use our Simulator or a server‑side tool for arbitrary URLs.Browse Unicode by block: Latin, Cyrillic, CJK, Emoticons. See characters and copy with a click. Full reference.
Connect your MIDI keyboard and see pressed notes visually on a piano roll. Check velocity, channel, and aftertouch. No DAW needed.
Build an iframe with different sandbox flags and see live which features are blocked. For secure embedding.
Paste a JSON Web Token and decode its header and payload. Verify signature if you provide the secret. Fully local.
Design borders with linear or conic gradients. Supports border‑image and background‑clip methods. Copy optimized CSS.
Paste an HTML snippet and see how a screen reader might interpret it. Highlights missing alt texts and ARIA misuses. Educational.
Create CSS `easing‑gradient()` functions for smooth, non‑linear color transitions. Experimental and powerful. Copy the code.
Paste a potential XSS vector and see if it executes in a sandboxed iframe. For security researchers and education.
Graph a cubic‑bezier or steps easing function and see a bouncing ball animation using it. Copy the CSS timing‑function.
Encode any text, including emojis and foreign scripts, into a Base64 string. Perfect for data URLs. Local.
Paste media queries and see a visual indicator of which rules apply at current viewport size.
Quickly test SQL JOIN syntax (INNER, LEFT, RIGHT, FULL) with a sample database schema. Check logic and see conceptual result set without a real DB. Local only.
Track up to 5 habits with a visual chain. Tap to mark day as done, see longest streaks. Data saved in your browser. Inspired by 'Don't break the chain' method.
Generate a temporary webhook URL (mock) and view the JSON payloads sent to it. Great for testing integrations locally.
Add multiple CSS filters (grayscale, blur, hue‑rotate) to an image. See the combined effect. Copy the CSS filter value.
Test regular expressions with Unicode property escapes like \p{Emoji}. See matches live. Modern regex power.
Enter a GraphQL endpoint, write a query, and see the response. Add headers and variables. Simple testing client.
Enter a URL and a user‑agent to see if it is allowed or blocked by the robots.txt file. Quick bot validation.
Connect a game controller and see every button press, axis movement, and vibration test. Uses the Gamepad API.
Enter a URL and follow every redirect until the final destination. Shows each hop's status code, location, and duration.
Connect a gamepad and see all button presses and axis movements visually. Check that every input is detected correctly.
Enter an API URL and quickly check its HTTP status code and response time. See response headers and body. Browser fetch.
Write JavaScript code and see the output or console.log results immediately. Safe iframe sandbox. For quick experiments.
Experiment with CSS container queries. Resize a container and see the styles change according to its size, not the viewport. Learn the new spec.
Test prompt formatting without calling an LLM. See how your prompt would look with different templates. Dev tool.
Paste a corpus of text and generate new random sentences that mimic the style using Markov chains. Local only.
Write a media query and instantly see if it matches your current viewport. Width, height, orientation, and more.
Start with a word and find synonyms, then synonyms of synonyms. Build a chain and explore language. Local thesaurus.
Press any key and see it light up on a standard QWERTY layout. Check functionality or demonstrate shortcuts.
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.