UD5 Toolkit
Emoji Extractor from Text - Online Pull Out Only Emojis
Paste a mixed text and get a list of only the emojis found within. Counts each unique emoji. Data cleanliness tool.
Video Keyframe Extractor - Online Capture I‑Frames
Upload Video
Drag & drop your video file here
or
Supported formats: MP4, WebM, OGG, AVI, MOV
Settings
Video Preview
Your video will appear here after upload.
Frequently Asked Questions
I‑frames, or Intra frames, are complete images in a video stream that can be decoded independently. They serve as reference points for compression and are often called keyframes.
The tool loads your video in the browser and captures frames at the time points you define. While exact I‑frame access isn't available in browsers, the sampled frames represent key moments similar to keyframes.
All formats supported by your browser's HTML5 video element, typically MP4, WebM, and OGG. For best results use modern codecs like H.264 or VP9.
Yes! Each frame has a download button, and you can also download all frames as a ZIP archive (requires internet connection for the ZIP library).
No, all processing happens locally in your browser. Your video never leaves your device, ensuring complete privacy.
Frames are saved as PNG images for lossless quality. The ZIP download contains all PNG files ready for use.
Bulk SVG to PNG Converter - Online Batch Export
Convert multiple SVG files to high‑resolution PNGs at once. Set custom dimensions. All local rendering.
Speed Converter - Online mph km/h & Knots Calculator
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.
Internet Slang & Acronym Dictionary - Online Quick Lookup
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Audio Bit Depth Converter - Online 16‑bit ↔ 24‑bit
Change the bit depth of a WAV file without leaving the browser. Dithering option included. For audio engineers.
Knot Tying Guide - Online Step-by-Step Animated Diagrams
Learn to tie essential knots with step-by-step animated diagrams. Includes bowline, square knot, clove hitch, and more. Pure CSS/JS animation.
Extract URLs - Online Link & Domain Finder Tool
Pull out all URLs and links from text. Extract domains, paths, and protocols. Perfect for SEO scraping or analyzing text documents. Client-side execution.
Acronym Finder - Online Decode Abbreviations & Slang
Look up common acronyms and abbreviations from a built-in list. Search by acronym or meaning. Always expanding, no internet needed.
Remove Specific Color - Online Extract or Delete Hue
Select a color in an image and completely remove it or make it transparent. Great for background removal experiments. Local.
Simplified DCF Valuation - Online Stock Intrinsic Value
Estimate the intrinsic value of a stock using a simplified Discounted Cash Flow model with growth rate and discount rate.
DNS Lookup - Online Domain Records Checker (A, MX, CNAME)
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT records. No logs.
Number Input Step Demo - Online See Validation Behavior
Test min, max, and step constraints on `<input type='number'>`. See how invalid values are handled. Undocumented behavior.
Loan Prepayment Analyzer - Online Interest Savings Calculator
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Interval Timer - Online HIIT & Tabata Workout Clock
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Simple Interest Calculator - Online Principal Rate Time Tool
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
HTTP Headers Checker - Online Inspect URL Response Headers
Enter a URL and see the full HTTP response headers returned by the server. Detect redirects and server type. Useful for SEO and web debugging.
Keyboard Shortcut Trainer – Online Learn VS Code / Figma Keys
Select a tool (VS Code, Figma, etc.) and get random shortcut prompts. Press the keys to practice.
Sales Tax Calculator - Online U.S. State Tax Estimator
Estimate the total price after adding US state sales tax. Select state, enter amount, and see breakdown. Simple and quick, perfect for shoppers.
HIIT Interval Timer - Online Custom Work & Rest
Set up high‑intensity intervals with work, rest, and rounds. Audio cues. Sweat without any app. Local only.
Windows Shortcut Driller – Online Random Win+Key Prompt
Randomly prompts you to press a Windows keyboard shortcut (e.g., Win+E). Learn to be a power user.
VS Code Shortcuts Cheatsheet - Online Keyboard Shortcuts
Find essential Visual Studio Code shortcuts for Windows, Mac, and Linux. Filter by category. Boost your coding speed with this reference.
Simple Pendulum Calculator – Online Period & Length
Enter length or period to find the other. Visual swinging animation. Quick physics reference.
Iron Absorption Optimizer – Online Timing & Food Pairing
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Embroidery Hoop Size Finder – Online Inches to Project Fit
Match your fabric design size to the correct embroidery hoop diameter. Visual guide showing how much fabric margin is left.
CAGR Calculator - Online Compound Annual Growth Rate
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Loan Calculator - Online EMI & Amortization Schedule Generator
Calculate monthly EMIs for any loan type and see the detailed amortization schedule. Compare different interest rates and tenures with instant results.
Crochet Hook Size Converter – Online US, UK, Metric, JP
Enter a hook size in any system and instantly see the equivalent in all other standards.
Compound Interest Calculator - Online Investment Growth Tool
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Hot Glue Stick Usage Log – Online Track Remaining Length
Measure and log your glue stick before use. Alerts when you're low. Simple inventory for crafters.
SIPOC Diagram Builder – Online Supplier Input Process Output Chart
Create a printable SIPOC diagram for your process improvement project. Fill in boxes, export as image.