Measure browser CPU performance with synthetic benchmarks: integer math, floating point, array sorting, string ops, and mixed workloads.
Expression evaluator with keypad and history, ETA calculator with distance and speed, and a stopwatch/chronometer with lap recording.
Emoji picker with 400+ emoji grouped by category with search, and ASCII art generator with block, bubble, fancy, and digital styles.
Solve linear and quadratic equations. Enter an equation with one variable (x) and see the step-by-step solution.
Network tools (port number lookup with 25+ services, user-agent parser, query string parser), formatters (SSE event formatter, rate limit header parser, pricing tier builder), crypto/security (TOTP generator with SHA-1, SSH key generator RSA/ECDSA/Ed25519), and time tools (timestamp to date, time zone converter with 14 zones, world clock).
Computes percentage values, percentage increases and decreases, and what-percent-of-what relationships with precise decimal arithmetic. Essential for everyday math — tips, discounts, tax rates, grade scores, and statistical comparisons where quick percentage answers are needed.
Benchmark Builder lets you measure browser CPU performance with synthetic benchmarks: integer math, floating point, array sorting, string ops, and mixed workloads.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Measure browser CPU performance with synthetic benchmarks: integer math, floating point, array sorting, string ops, and mixed workloads. It's ideal for developers, designers, and anyone who needs to measure browser cpu performance with synthetic benchmarks: integer math, floating point, array sorting, string ops, and mixed workloads without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, Benchmark Builder 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.