Habit Streak Counter - Online Daily Check-in & Chain Visualizer
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.
UD5 Toolkit
Enter your details and see the countdown begin.
You are 0% on your way to retirement.
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 random, funny or serious company slogan for your startup idea. Brainstorming helper. All local.
Paste a string and verify if it is valid Base64. Auto‑detects padding issues and character errors. Quick dev check.
Enter temperature and wind speed (or humidity) to get the 'feels like' temperature. Safety guidelines included.
Decode a Base64 encoded string that contains UTF‑8 text (emojis, international characters). See the raw output. Local.
Encode any file into a Base64 string that you can copy, or decode a Base64 string back to a downloadable file. Pure frontend.
Convert numbers between binary, octal, decimal, hex, and any custom base up to 36. With live preview of all bases.
Apply compression and limiting to an audio file with threshold, ratio, attack, and release controls. Improve loudness. All local.
Convert WAV audio files to MP3 directly in your browser using a built‑in codec. Choose bitrate and quality. No upload.
Warps your image with a gooey, melting distortion. Adjust strength and radius. Download the surreal result. Local canvas.
Convert JSON‑LD structured data into Turtle (TTL) notation. For semantic web and linked data developers. Client‑side.
Click a metal ion to see the characteristic flame color and wavelength. Useful for analytical chemistry reference.
Parse a JSON array and generate SQL INSERT or UPDATE statements. Perfect for data migration. Client‑side only.
Add a realistic water ripple or heat haze distortion to your image. Download the warped photo. Canvas manipulation.
Transform an image from rectangular to polar coordinates (and back). Create amazing circular swirl effects. Local canvas.
Shows live countdown to major holidays and allows custom ones. Visual calendar. Local browser storage.
Set a short timer with a themed emoji animation (e.g., pizza cooking). A playful visual countdown.
Set an alarm relative to today's sunset (e.g., 30 minutes before). Perfect for evening routines. Uses geolocation (optional).
See current time in multiple pre-selected cities simultaneously with day/night indicators. No tracking, just a simple multi-clock.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
A festive, full‑screen countdown showing the exact days, hours, and minutes until December 25th. Snow effect.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
See the current time displayed in binary and hexadecimal. Dark theme, full‑screen mode. A geeky desk decoration.
Generate a random developer‑themed motivational (or demotivational) poster image using pure CSS. Fresh inspiration for your coffee break.
A beautiful full‑screen binary clock showing hours, minutes, seconds in glowing bits. Dark mode perfect for desks.
Create a pure CSS countdown timer with a flipping number effect. Adjust duration and style. No JavaScript needed for display.
Run a countdown timer that automatically repeats for a set number of laps. Great for HIIT, study sprints, or any interval work.
Design a custom analog clock face by choosing colors, hands, and numbers. Download as SVG or PNG. For craft or UI design.
Set an alarm that rings at a specific time even if the tab is in background. Multiple alarm tones. Works offline.
Run multiple named timers simultaneously for cooking. Presets like pasta, rice, etc. Audio alarm. Works in background.