Calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and ZIP file extractor. (WebP to JPG/PNG and PDF page operations have their own dedicated pages.)
Cloud tools (AWS IAM policy analyzer), converters (JSON to YAML, Excel to CSV), CIDR calculator, and extras (hash generator SHA-1/256/384/512, Markdown quick editor with live preview). (Password strength checker has its own dedicated page.)
Calculate the tip amount and total bill per person. Customize tip percentage and split among any number of people.
Convert numbers between standard form and scientific notation (E-notation). Handles very large and very small numbers.
Everyday unit converters (area, cooking, fuel consumption, paper size, clothing size, data storage), file tools (ZIP compressor sim, large text file viewer), and generators (Avro schema, Avro to JSON sample, iCal event). Image/document converters (WebP, AVIF, PDF→PPT) have their own dedicated tool pages.
Timers (countdown, event countdown, stopwatch with laps), date math (add/subtract days, difference calculator, week number), converters (date↔timestamp), and time math (add/subtract hours/minutes, duration between times). (Time converter has its own dedicated page.)
Calc & File Toolkit lets you calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and ZIP file extractor. (WebP to JPG/PNG and PDF page operations have their own dedicated pages.). Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and ZIP file extractor. (WebP to JPG/PNG and PDF page operations have their own dedicated pages.) It's ideal for developers, designers, and anyone who needs to calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and zip file extractor without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Common file formats are supported for upload-based tools.
Yes. After the initial page load, Calc & File Toolkit runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free. No credit card or registration is required for standard usage.
All processing happens 100% locally in your browser. Your data is never uploaded to any server.
Yes. Once the page has loaded, the tool runs entirely offline without requiring an internet connection.
Standard tools are unlimited. Pro tools allow free daily usage with an option to upgrade.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
Privacy Cleaner
Scans and clears browser cookies, localStorage, sessionStorage, and cached data for the current site.
Speed Test
Measures your internet connection’s download speed, upload speed, and latency by transferring real test data to geographically distributed servers.
Wheel of Names
Displays an animated spinning wheel that randomly selects one entry from a customizable list of names or options.
QR Code Generator
Renders a scannable QR code from any text or URL using a client-side Reed-Solomon encoder. Download as PNG.
Random Number Generator
Generates cryptographically secure random integers or decimals within a user-defined min-max range with optional repetition filtering.
Resume Builder
Provides a structured, form-based interface for entering work history, education, and skills, then renders a professionally formatted PDF resume.