CSV Pivot Table Generator Turn flat CSV data into an interactive pivot table in seconds. Drag column headers into the Rows, Columns, Values, and Filters zones and watch the cross-tabulation recompute live — no spreadsheet, no formulas, no upload to a server. Perfect for slicing exported reports, analytics dumps, or any tabular dataset right in ...
试用该工具 »Merkle Tree Generator & Visualizer Paste a list of values, choose a hash function, and instantly see a visual Merkle tree with every intermediate node hash and the final Merkle root. Pick SHA-256, SHA-1, or Keccak-256 (the hash Ethereum uses), tune the Bitcoin-style odd-leaf rule or the OpenZeppelin sorted-pair convention, and export the full tree ...
试用该工具 »GPU VRAM Calculator Estimate how much GPU memory a transformer model needs for inference or training. Enter parameters, precision, batch size, and sequence length, and the calculator returns total VRAM along with a breakdown of weights, gradients, optimizer state, KV cache, and activations. It also compares the result against common GPUs (RTX 4090, A100, H100, ...
试用该工具 »Wire Size Calculator (AWG & mm²) Pick the right copper or aluminum conductor for any DC, single-phase AC, or 3-phase AC circuit. Enter your load current, supply voltage, and one-way cable length and the calculator iterates the NEC ampacity table to find the smallest wire that handles the load and keeps voltage drop under your ...
试用该工具 »Rule of 72 Calculator A fast, two-way doubling-time calculator. Enter an annual rate to see how many years money takes to double, or enter a target number of years to see the rate you need. The tool compares the classic mental-math shortcuts (Rule of 72, 70, and 69.3) against the exact compound result derived from ...
试用该工具 »Number Notation Converter Paste a number in any common notation and instantly see how it looks in every other one. Useful when you copy a figure out of a German invoice into a US spreadsheet, when an Indian accountant hands you a balance in lakhs, or when a paper expresses something in scientific notation that ...
试用该工具 »ASCII Box Table Generator Paste CSV or tab-separated data and instantly turn it into a clean, fixed-width table built from Unicode box-drawing characters. The generator auto-sizes each column to fit the widest cell, so borders always line up no matter how irregular the source data is. Drop the result straight into READMEs, code comments, terminal ...
试用该工具 »Anagram Generator Type any word or short phrase and instantly see every valid English anagram it can form. The generator runs entirely in your browser against a curated dictionary of common English words, so there are no API calls, no rate limits, and no data leaves your device. It supports single-word lookups, two-word and three-word ...
试用该工具 »SWIFT/BIC Code Validator & Parser Paste any SWIFT or BIC code to validate its structure against the ISO 9362 specification and break it into its component parts. The tool checks character patterns, length, and identifies whether the code refers to a head office or a specific branch — all client-side, with no data ever leaving ...
试用该工具 »Musical Note Frequency Generator Convert any musical note to its exact frequency in hertz, MIDI note number, and wavelength — or go the other way and find the nearest note for any frequency you enter. An interactive piano keyboard lets you click any key to hear the tone through your browser, and you can switch ...
试用该工具 »Ethereum / EVM Address Checksum Validator Paste any Ethereum or EVM-compatible address and instantly check whether its mixed-case checksum is correct under EIP-55. The tool also returns the canonical checksummed form so you can copy a safe version back into your wallet, contract, or block explorer. Everything runs locally in your browser — no addresses ...
试用该工具 »Word Cloud Generator Paste any block of text and instantly turn it into a frequency-weighted word cloud. Bigger words appear more often, and you can shape, color, and rotate the layout — then download the result as a high-resolution PNG or a clean, infinitely scalable SVG. How to Use Paste or type your text into ...
试用该工具 »Jsonnet Formatter & Evaluator Paste Jsonnet source and get a fully evaluated JSON result, or pretty-print the source itself. This tool runs entirely in your browser, so your configuration never leaves the page. Handy for previewing Kubernetes manifests, Grafana dashboards, Tanka environments, or any other config-as-code expressed in Jsonnet. How to Use Paste Jsonnet code ...
试用该工具 »HJSON Formatter & Validator Paste HJSON — the human-friendly variant of JSON that allows comments, unquoted keys and strings, multiline values, and trailing commas — and convert it to strict JSON instantly. The tool also runs the conversion in reverse: drop in strict JSON and get a cleaner HJSON version with unquoted keys for easier ...
试用该工具 »Decibel (dB) Level Converter The Decibel (dB) Level Converter turns a value entered in one decibel or linear unit into every related representation. Pick a reference type — Sound Pressure Level (SPL), Voltage, or Power — choose what your input is, and the tool computes the equivalent dB readings, the underlying linear quantity (pascals, volts, ...
试用该工具 »Irregular Polygon Area Calculator Type a list of vertex coordinates and instantly get the area, perimeter, and centroid of any flat polygon — convex or concave, axis-aligned or skewed, three vertices or thirty. The calculator uses the classic Shoelace formula so the answer is exact (no triangulation, no approximations), and it draws a live SVG ...
试用该工具 »XML Diff Comparator Compare two XML documents at the node level or the line level. The XML Diff Comparator highlights added, removed, modified, and attribute-level changes so you can spot exactly what changed without skimming through thousands of tags by eye. Unlike plain text diff tools, this comparator understands XML structure: it ignores cosmetic whitespace, ...
试用该工具 »NPV & IRR Calculator Evaluate an investment opportunity the way finance professionals do. This calculator turns a stream of yearly cash flows into the four numbers that matter most for any capital-budgeting decision: Net Present Value (NPV), Internal Rate of Return (IRR), Modified IRR (MIRR), and the Profitability Index. It also reports the simple and ...
试用该工具 »tsconfig.json Generator Build a valid tsconfig.json for TypeScript projects without memorising option names or hunting through release notes for what changed in the latest compiler. Pick a preset (Node ESM, Node CommonJS, React, Next.js, Library, or Strictest), tweak the strictness toggles, add any path aliases, and copy the generated JSON into the root of your ...
试用该工具 »Textile & Yarn Converter Cross-reference knitting needle sizes, crochet hook sizes, and yarn weight categories across US, UK/Canada, metric, and Japanese standards in one place. Useful when a pattern from one country lists a needle or yarn name that does not match what is printed on your local supplies. How to Use Pick a category ...
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