Complete directory
All Master Converters Tools
Search more than 2,528 published converters, calculators, file tools, hash generators, writing utilities, and live market workspaces from one premium directory.
Try searches like PDF, kg, BTC, JSON, YouTube, hash, or meta title.
Tools
2,528
Categories
48
PDF Workflows
13
Crypto Tools
5
Featured Tool Workspaces
Fast entry points across the most used categories.
PDF ToolsMerge PDFCombine multiple PDF files in the browser and download one merged document.Code UtilitiesJSON Formatter and ValidatorFormat JSON, catch parse errors, and copy readable structured data for APIs, logs, configs, and prompts.Content Writing ToolsWord CounterCount words, characters, sentences, and estimated reading time for articles, essays, posts, and reports.Cryptography & HashesSHA-256 Hash GeneratorGenerate a SHA-256 hash locally for text or file integrity checks.Live MarketsLive Bitcoin to US Dollar ConverterConvert Bitcoin (BTC) to US Dollar (USD) with live browser price data, automatic refresh, and a clear timestamp.SEO and Marketing ToolsMeta Title and Description CheckerCheck title and meta description lengths before publishing a page.YouTube SEO ToolsYouTube Tag GeneratorGenerate topic-based YouTube tags from a title, niche, or short video description.Office ProductivityRemove Duplicate LinesRemove repeated rows from pasted lists, notes, keywords, emails, and spreadsheet exports.
Browse by Category
Crawlable category groups keep the full catalog organized without rendering thousands of links in one heavy list.
LengthConvert common metric, imperial, nautical, and scientific length units with formula notes and reference tables.132 toolsWeight & MassConvert common mass and weight units for shipping, product specs, health forms, and everyday reference work.90 toolsTemperatureConvert Celsius, Fahrenheit, and Kelvin with the proper temperature formulas rather than simple multipliers.12 toolsAreaConvert land, room, and surface area units with practical checks for square-unit calculations.90 toolsVolumeConvert liquid and cubic volume units for recipes, containers, lab notes, and everyday measurements.132 toolsTimeConvert seconds, minutes, hours, days, weeks, months, and years with clear rounding notes.132 toolsSpeedConvert speed units used in travel, fitness, navigation, and engineering notes.30 toolsData StorageConvert bits, bytes, decimal storage units, and binary storage units for files, bandwidth, and system specs.156 toolsEnergyConvert energy units for food, utilities, physics, heating, and technical documentation.90 toolsPressureConvert pressure units used in weather, HVAC, engineering, tire checks, and lab references.42 toolsPowerConvert watts, kilowatts, horsepower, and BTU per hour for equipment and energy estimates.30 toolsAngleConvert angle units for math, mapping, surveying, and technical drawings.20 toolsTorqueConvert torque units for mechanical, automotive, and engineering references.20 toolsFrequencyConvert frequency units for electronics, audio, radio, and rotating equipment.20 toolsDensityConvert density units for materials, fluids, and engineering references.12 toolsForceConvert force units for physics, engineering, and equipment specifications.12 toolsFlow Rate (Volume)Convert liquid and air flow-rate units for pumps, irrigation, HVAC, and process notes.20 toolsFuel EconomyConvert fuel economy values across metric, US, and imperial formats with reciprocal formulas.12 toolsTypographyConvert CSS, print, and typography sizing units for design handoff and layout checks.42 toolsDigital Image ResolutionConvert pixel density units for image, print, and screen-resolution planning.2 toolsElectric CurrentConvert electric current units for electronics, specs, and lab notes.12 toolsShoe Size (Men)Men's shoe size converters for US, UK, EU, and centimeter references used in shopping, fit checks, and size charts.12 toolsClothing Size (Women)Women's clothing size converters for US, UK, and EU references used in apparel charts and international shopping.6 toolsBinary / Hex / DecimalConvert decimal, binary, hexadecimal, and octal values for quick developer checks.12 toolsCooking (Volume)Convert small cooking volume units for recipes and kitchen measurements.12 toolsAgriculture: Crop YieldCrop yield converters for bushels, tonnes, kilograms, pounds, and field-area references used in farm planning.182 toolsAgriculture: Application RatesConvert common field application-rate units where the relationship is a direct area or volume ratio.182 toolsAgriculture: Irrigation & WaterConvert irrigation water volume units such as acre-feet, acre-inches, gallons, and cubic meters.30 toolsShipping: Freight VolumeFreight volume converters for TEU, FEU, CBM, pallets, cubic feet, and chargeable air-freight references.90 toolsDairy: Milk & YieldDairy yield converters for milk volume, weight, cheese yield, butterfat, cream, powder, quarts, and pints.182 toolsLivestock: Cattle WeightsCattle weight converters for live weight, carcass yield, boneless beef, retail cuts, hide weight, and offal estimates.90 toolsLivestock: Pig WeightsPig weight converters for live weight, carcass yield, lean meat, belly, ham, and loin estimates.72 toolsLivestock: Sheep & GoatSheep and goat converters for live weight, carcass yield, boneless meat, fleece, wool, and goat carcass estimates.72 toolsForestry & Lumber VolumeConvert standard lumber volume references where a direct volume relationship is available.56 toolsTextile & Yarn CountTextile and yarn count converters for tex, denier, decitex, metric count, cotton count, worsted, woolen, and linen references.56 toolsHVAC & EfficiencyHVAC efficiency converters for EER, SEER, COP, kW per ton, and BTU per watt-hour comparisons.20 toolsPDF ToolsBrowser-side PDF tools to merge, split, compress, convert images, rotate, unlock, organize, remove pages, extract pages, watermark, and number documents.13 toolsCryptography & HashesLocal hash and checksum tools for text and files, with plain-language security notes.5 toolsYouTube SEO ToolsYouTube planning tools for titles, tags, descriptions, hashtags, and pasted text analysis.7 toolsTikTok Creator ToolsShort-form content helpers for captions, hashtags, hooks, bios, keywords, and content ideas.6 toolsLinkedIn Professional ToolsLinkedIn writing and formatting tools for posts, summaries, headlines, hashtags, and character counts.7 toolsLive MarketsLive browser calculators for crypto, gold, and dollar conversions with timestamped public market data.269 toolsWorkflow Prep ToolsLocal text preparation tools for prompts, transcripts, summaries, JSON, CSV, and Markdown workflows.4 toolsCode UtilitiesBrowser utilities for formatting, encoding, decoding, testing, and inspecting technical text.8 toolsOffice ProductivityOffice text tools for lists, drafts, emails, comparisons, and reading-time checks.5 toolsSEO and Marketing ToolsSEO utilities for metadata, slugs, UTM links, snippets, robots.txt, keyword review, and FAQ schema.7 toolsContent Writing ToolsWriting tools for word counts, character limits, outlines, titles, readability, and cleaner drafts.10 toolsWebsite Development ToolsWebsite development helpers for HTML entities, CSS clamp values, color conversion, viewport tags, and starter markup.5 tools