Daily Mood Tracker - Online Emoji Journal & Chart
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.
UD5 Toolkit
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.
Enter a URL to see exactly what Open Graph and Twitter card tags will be shown when shared on social media. Fetch from browser.
Create a basic Open Graph image with a title, background color, and logo. Download as PNG. Perfect for small sites.
Generate a standard XML sitemap for your website by entering a start URL. Crawls internal links directly from your browser. No server-side processing.
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.
Add floating emoji reactions (like live streams) to any screenshot or photo. Export as still image. Fun social media tool.
View recent earthquakes worldwide on a map. Fetches public USGS GeoJSON feed directly from browser. Real-time data.
Write Mermaid markdown and instantly see the rendered flowchart, sequence diagram, or Gantt chart. Copy SVG output. Browser-side rendering.
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.
Generate a palette of N colors that are maximally distinguishable for common color vision deficiencies. Copy the hex codes.
Connect your MIDI keyboard and see pressed notes visually on a piano roll. Check velocity, channel, and aftertouch. No DAW needed.
Connect a MIDI controller and see every message in a log. Filter by channel and type. Essential for debugging music apps.
Visualize audio in real time from your microphone or uploaded audio file. See the waveform dance. Uses Web Audio API locally.
Display a Snellen chart on screen and mark distance for a fun self-test. Not a replacement for professional exam.
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.
Apply tone mapping algorithms to bring out details in highlights and shadows. Simulate HDR from a single image.
Upload an image and also see a UI mockup under different deficiencies side‑by‑side. Powerful for inclusive design.
Load an image to see separate red, green, blue histograms. Exposure and color balance tool.
Reduce the number of colors in your photo to create a bold, pop‑art poster effect. Adjust levels and download.
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Paste XML sitemap content and extract all <loc> URLs into a clean list. Useful for auditing. Local parsing only.
Upload an image and see its RGB and luminance histograms. Understand exposure and color distribution. Photographer tool.
Upload a font file or specify a URL and generate the complete @font‑face rule with modern formats and font‑display. Copy instantly.
Turn any photo into a beautiful kaleidoscope pattern by reflecting and rotating segments. Adjust parameters.
Get the approximate magnetic declination for a given latitude and longitude. Apply correction to your compass.
Apply vintage and sepia effects to your photos. Adjust grain, vignette, and tone curves. Download filtered image. Local canvas manipulation.
Warps your image with a gooey, melting distortion. Adjust strength and radius. Download the surreal result. Local canvas.
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Upload a WebP image and automatically generate a <picture> tag with JPEG/PNG fallback. Ensure compatibility everywhere.