Format and Validate Prometheus PromQL Queries Instantly The PromQL Query Formatter & Validator tidies up the queries you write against Prometheus and other compatible time-series databases. Paste in a metric expression and the tool normalises spacing around binary operators, lays out aggregation, function calls and label matchers on their own lines when the query gets ...
Coba Alat »Customer Lifetime Value (CLV / LTV) Calculator Customer Lifetime Value tells you how much revenue or profit one customer is worth across the entire relationship — not just today’s order. This calculator covers both the classic e-commerce formula (Average Order Value × purchase frequency × customer lifespan) and the SaaS subscription formula (ARPU × gross ...
Coba Alat »Format R Code to the Tidyverse Style Instantly The R Code Formatter applies tidyverse and styler conventions to any R script in your browser. Paste your code and the tool fixes spacing around <- assignment arrows, comparison operators, pipe operators like %>% and |>, indents nested blocks, and flags any line that exceeds your chosen ...
Coba Alat »Calorie Burn Calculator (Exercise & MET) Find out how many calories you burn during exercise using standardized MET (Metabolic Equivalent of Task) values from the Compendium of Physical Activities. Choose from 100+ activities across cardio, sports, strength, mind-body, dance, and daily life — then enter your body weight and either how long you exercised or ...
Coba Alat »vCard Contact File Generator Build a properly formatted .vcf contact file (vCard 3.0 or 4.0) that phones, address books, and email clients accept on first import. Fill in the fields, watch the raw vCard update live, then download the file or copy the text. Everything runs in your browser — no contact data leaves the ...
Coba Alat »Solidity Code Formatter Paste your Solidity smart contract source and get back clean, style-guide-compliant code in the browser — no installs, no Hardhat config, no remote compilation. The formatter reorders function modifiers, sorts pragmas and imports, normalises NatSpec comments, and applies consistent indentation so the output is ready for review or audit hand-off. How to ...
Coba Alat »Battery Life / Runtime Calculator Estimate how long a battery will power a device from its capacity, voltage and load. The calculator handles mAh, Ah and Wh inputs, series/parallel cell arrangements, depth-of-discharge limits, system efficiency and the Peukert exponent for lead-acid chemistries. Output includes pack totals and time remaining at 100%, 80%, 50% and 20% ...
Coba Alat »cURL to Code Converter Paste a curl command and instantly get the equivalent HTTP-client code in Python, JavaScript, PHP, Go, or Ruby. The converter runs entirely in your browser, parses curl with a real shell-aware tokenizer, and maps the flags you actually use — headers, JSON and form bodies, multipart uploads, basic auth, cookies, redirects, ...
Coba Alat »Bicycle Gear Ratio & Speed Calculator See exactly how fast you will roll in every gear on your bike. Punch in your chainring and cassette teeth, pick a wheel size, and the calculator builds a colour-coded grid of speed, gear inches, development and ratio for every chainring × sprocket combination — useful when shopping for ...
Coba Alat »Braille Text Generator Convert any text into Grade 1 (uncontracted) English Braille using the official Unicode Braille block. The tool renders each character as a large 2×3 dot cell so you can see exactly which dots are raised, plus a per-character map showing the source letter alongside its Braille glyph. Useful for accessibility prototyping, classroom ...
Coba Alat »Camera Depth of Field (DoF) Calculator Plan sharp photographs with confidence. This calculator uses the exact thin-lens depth of field formulas to compute the hyperfocal distance, the near and far focus limits, and the total depth of field for any camera sensor, focal length, aperture, and subject distance. No guesswork, no approximations — just the ...
Coba Alat »SVG Noise & Texture Generator Create organic grainy noise and turbulent cloud textures directly in your browser using the SVG feTurbulence filter. Drag the sliders, tweak the seed, pick a tint color, and watch the texture update live. Export as inline SVG, a CSS background-image data URI, or a reusable SVG filter you can apply ...
Coba Alat »Text Column Aligner The Text Column Aligner pads spaces between text so a chosen delimiter — an equals sign, colon, comment marker, arrow, pipe, tab, or any custom string — lines up vertically across every row. It turns ragged key/value blocks, config snippets, and inline comments into clean visual columns without rewriting the content itself, ...
Coba Alat »Paper Size Reference & Converter Look up any standard paper size across the ISO, ANSI, and JIS systems and see its dimensions in millimeters, centimeters, inches, points, picas, and pixels at any common print or screen DPI. Switch to custom mode to enter your own width and height in mm, cm, inches, points, or pixels ...
Coba Alat »VO2 Max Estimator Calculator VO2 max is the maximum rate at which your body can take in and use oxygen during all-out exercise. It is the most widely used objective measure of aerobic (cardiorespiratory) fitness, and it scales with how hard, how long, and how often you can sustain endurance work. Reaching a true lab-grade ...
Coba Alat »Big Integer Calculator Compute exact results for math expressions that overflow ordinary calculators. The tool runs entirely on JavaScript BigInt, so factorial(1000), 25000, fibonacci(10000), and primality checks on trillion-digit candidates return every digit correctly — no scientific notation, no silent rounding. How to Use Type an integer expression, for example 2 ** 1000, factorial(100), or ...
Coba Alat »Shell Glob Pattern Tester Test glob patterns against a list of file paths and see exactly which paths match — in real time, with semantics for Bash, Zsh, .gitignore, Python fnmatch, and Go path.Match. Type a pattern like src/**/*.{js,ts}, paste paths, and watch matches highlight green and non-matches fade out as you type. How to ...
Coba Alat »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 ...
Coba Alat »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 ...
Coba Alat »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, ...
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