HTTP Redirect Path Tracer - Online SEO Chain Analyzer
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.
UD5 Toolkit
Trace every hop in a URL redirect chain. See HTTP status codes, redirect locations, response times, and detect redirect loops.
Tracing redirect chain...
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.
Enter a URL and trace the full redirect chain, seeing each hop's status code and location. Identify unnecessary redirects. Client-side fetch.
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.
Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.
Pull out all URLs and links from text. Extract domains, paths, and protocols. Perfect for SEO scraping or analyzing text documents. Client-side execution.
Calculate airflow in cubic feet per minute given velocity and duct diameter. Simple HVAC reference. Local only.
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Enter a Sudoku puzzle and watch it solved step-by-step with techniques explained. Learn solving strategies. Local only.
Test min, max, and step constraints on `<input type='number'>`. See how invalid values are handled. Undocumented behavior.
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
Reference diagrams for USB‑A, USB‑C, micro‑USB pinouts. See wire colors and signal descriptions. Hardware hacking helper.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Visual guide to identify root-bound plants. Calculates next pot size up. Keep indoor plants healthy.
Enter number of eyelet pairs and lacing style to find the correct shoelace length in inches/cm. Never buy too short.
Enter your current savings, monthly contribution, and target amount. Calculate time needed and suggestions. Private.
Enter mold dimensions or water weight to get total resin needed, including Part A and B.
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Calculate dehydrating time based on meat slice thickness and desired texture. Countdown timer with reminders.
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Calculate how much liquid fertilizer concentrate to add per gallon of water based on desired N concentration.
Create a simple agenda with timeboxes for each topic. Visual countdown and alerts for each.
Learn to tie essential knots with step-by-step animated diagrams. Includes bowline, square knot, clove hitch, and more. Pure CSS/JS animation.
Create linear and radial gradients on canvas. Adjust stops and colors visually. Copy the JavaScript code.
Load an audio file and visually trim it by dragging handles on the waveform. Export the trimmed clip. All local.
Mix your own feed by entering grain percentages and see the resulting crude protein. Formulate a balanced diet for your flock.
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Enter a dataset to compute Q1, median, Q3, IQR, and highlight outliers. Visual box plot generated in canvas.
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Enter spring constant and displacement to find force and stored energy. Visual compression.