Bulk SVG to PNG Converter - Online Batch Export
Convert multiple SVG files to high‑resolution PNGs at once. Set custom dimensions. All local rendering.
UD5 Toolkit
Upload an image, pick a color to remove or replace, and download the result instantly. Supports transparency & precise color matching.
Convert multiple SVG files to high‑resolution PNGs at once. Set custom dimensions. All local rendering.
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Paste a mixed text and get a list of only the emojis found within. Counts each unique emoji. Data cleanliness 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.
Perform common percentage calculations: find percent of a number, percentage increase/decrease, and more. Simple, fast, and always available for free.
Seek through a video and extract only keyframes as JPEGs. Perfect for generating thumbnails. Canvas‑based.
Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.
Adjust material types (leaves, grass) to achieve the ideal 30:1 C:N ratio. Improve compost bin performance. Local only.
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
Displays the national poison control number and basic first steps for common household ingestions. Seek medical help immediately.
Quickly find the final price after a percentage discount. Also works in reverse to find the original price. Handy for budget shoppers.
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.
Estimate how much agricultural lime or elemental sulfur to add to change soil pH by a target amount. Based on soil type and current pH. Educational.
Compare time and equipment cost to hiring a plow service. Fun winter economics.
Enter product size and price for two items to see true cost per unit (oz, lb, ml, etc.). Always find the better deal. Quick local math.
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.
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Select rice type and number of cups to get exact water measurement. Perfect fluffy rice every time.
Query DNS records for any domain directly from your browser using DNS-over-HTTPS. See A, AAAA, MX, CNAME, and TXT records. No logs.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Calculate monthly EMIs for any loan type and see the detailed amortization schedule. Compare different interest rates and tenures with instant results.
Estimate the intrinsic value of a stock using a simplified Discounted Cash Flow model with growth rate and discount rate.
Study HSK 1‑6 vocabulary with digital flashcards. Show/Hide pinyin and translation. Track known words locally.
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.
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
Count syllables per word and for entire text blocks. Ideal for writing haikus, poetry, and literacy exercises. Local algorithm.
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Create your own oral rehydration solution by mixing salt, potassium, and sugar to WHO formula. Convert to teaspoon amounts.
Find safe mixing ratios for the classic elephant toothpaste demonstration. Volume adjustments for different container sizes.