WebP Fallback Guide - Online Generate <picture> Tag
Upload a WebP image and automatically generate a <picture> tag with JPEG/PNG fallback. Ensure compatibility everywhere.
UD5 Toolkit
Create custom, cross-browser @font-face CSS snippets for your web fonts in seconds.
Add one or more font file references. Multiple sources help provide different formats for better browser coverage.
No snippet generated yet.
@font-face CSS rule allows you to use custom fonts on your website, even if the user doesn't have the font installed locally. It defines a font family and points to font files hosted on your server.font-display tells the browser how to handle font loading. swap is often recommended because it shows fallback text until the custom font loads. Other values: block, fallback, optional, auto.body { font-family: 'YourFontName', sans-serif; }).?#iefix suffix if needed.Upload a WebP image and automatically generate a <picture> tag with JPEG/PNG fallback. Ensure compatibility everywhere.
Tidy up messy HTML code with our online formatter and beautifier. Indent and clean your markup, preview the output instantly. No data is uploaded, everything runs in your browser.
Add floating emoji reactions (like live streams) to any screenshot or photo. Export as still image. Fun social media tool.
Convert any image into beautiful ASCII art. Adjust brightness and character set for the best effect. Share text-based pictures. Runs entirely in the browser.
Create a basic Open Graph image with a title, background color, and logo. Download as PNG. Perfect for small sites.
Upload a photo and turn it into an optimized Open Graph image with title overlay. Perfect for blog social shares. Canvas.
Design visual posts for Instagram, Twitter, Facebook. Background gradients, text, and stickers. Download as PNG. No sign‑up.
Generate a standard XML sitemap for your website by entering a start URL. Crawls internal links directly from your browser. No server-side processing.
Connect your MIDI keyboard and see pressed notes visually on a piano roll. Check velocity, channel, and aftertouch. No DAW needed.
Visualize audio in real time from your microphone or uploaded audio file. See the waveform dance. Uses Web Audio API locally.
Enter RGB values row by row and create a tiny BMP file. Understanding bitmap headers. Geeky developer tool.
See how revert‑layer removes styles from the current cascade layer and falls back to the previous one. Fix specificity wars.
Write or paste an HTML snippet and generate a PDF using the browser's print engine. Customize page size and margins.
Generate a standard otpauth:// URI and QR code for authenticator apps. Set issuer, account, and secret. All local.
Upload an image and see its 2D FFT magnitude and phase. Learn how image filtering works. Educatinal tool. Canvas.
Generate a palette of N colors that are maximally distinguishable for common color vision deficiencies. Copy the hex codes.
Paste HTML and extract all unique data‑* attributes into a clean list. Understand the data model of a page.
Write Mermaid markdown and instantly see the rendered flowchart, sequence diagram, or Gantt chart. Copy SVG output. Browser-side rendering.
Transform any image into a Base64 data URI for embedding directly into HTML, CSS, or JSON. Drag and drop support. Entirely browser-side conversion.
Connect a MIDI controller and see every message in a log. Filter by channel and type. Essential for debugging music apps.
Play an audio file or use mic to see real‑time frequency bars. Choose colors. Great for music videos. Canvas.
Track daily mood with emoji selection and optional notes. See weekly/monthly mood trends in a color-coded chart. All data stored privately in localStorage.
Combine multiple static images into a single animated GIF. Adjust frame delay and order. No upload, in‑browser encoding.
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.
Paste HTML code and extract all comments or remove them completely. See a list of comments found. Clean your markup.
Warps your image with a gooey, melting distortion. Adjust strength and radius. Download the surreal result. Local canvas.
Enter a URL to see exactly what Open Graph and Twitter card tags will be shown when shared on social media. Fetch from browser.
Real‑time frequency spectrum from your microphone. Visual bars or line. Check room resonance.
Enter the recipe's wattage and your microwave's wattage to convert cooking time. Prevent burnt or cold food.
Reverse the NATO phonetic alphabet. Paste 'Bravo Romeo Alpha Victor Oscar' and get 'Bravo'. Essential for call center transcripts.