Tools Are All You Need.

Development

AI, YOLO, GPU and CCTV tools

27 tools

CCTV Storage CalculatorCalculate required video storage from camera count, bitrate and recording duration.CCTV Bandwidth CalculatorCalculate required network bandwidth from camera count and bitrate.YOLO GPU CalculatorCheck YOLO training feasibility and recommended settings from GPU and VRAM.WebGPU Performance TestTest GPU compute, memory and AI matrix performance directly in the browser.JSON Formatter & ValidatorFormat JSON and validate its syntax instantly.Base64 & URL Encoder/DecoderEncode and decode text with Base64 or URL encoding.JWT DecoderInspect a JWT header and payload in your browser.Regex TesterTest a regular expression against sample text.UUID GeneratorGenerate unique UUIDs locally in your browser.Hash GeneratorCreate a SHA-256 hash from text.Unix Timestamp ConverterConvert Unix timestamps and readable dates.Text & Code DiffCompare two text or code blocks line by line.HTML FormatterFormat HTML with consistent indentation for easier reading.CSS FormatterFormat CSS selectors and declarations with readable indentation.JavaScript FormatterFormat JavaScript braces and indentation for easier review.SQL Formatter & ValidatorFormat SQL and catch basic syntax issues.CSV & JSON ConverterConvert tabular data safely between CSV and JSON.JSON DiffCompare two JSON documents and find added, removed and changed values.JSON Path TesterQuery nested JSON with dot and bracket paths.Secure Password GeneratorGenerate a hard-to-guess password in your browser.HTTP Status & MIME LookupLook up HTTP status codes and file MIME types quickly.YAML & JSON ConverterConvert simple configuration data between YAML and JSON.YOLO to COCO ConverterConvert images and YOLO labels into a COCO JSON dataset.Markdown PreviewWrite Markdown and preview the rendered result.Color ConverterConvert HEX colors to RGB and HSL values.Cron Expression ExplainerExplain the schedule represented by a five-field Cron expression.DAT File InspectorInspect a DAT file as text, JSON, or binary data in your browser.

Gaming

PC and mobile game checks

14 tools

Game Requirements & Best SettingsCheck minimum/recommended requirements and graphics setting recommendations by game.Game PC CheckerAnalyze game compatibility and expected performance from CPU, GPU, RAM, resolution and target FPS.GPU Performance & SpecsCompare graphics cards with public benchmark scores and official specifications.CPU Performance & SpecsCompare relative gaming CPU performance, cores, threads and key specifications.Automatic PC DetectionUse TAAYN PC Detector to automatically load CPU, GPU, VRAM, RAM and display resolution.Game Sensitivity ConverterConvert mouse sensitivity between games with a scale factor.Game Download TimeEstimate download time from game size and connection speed.FPS & Refresh RateCheck frame pacing and the refresh-rate match for your monitor.Aspect Ratio & ResolutionCalculate a matching width or height for an aspect ratio.Game Storage PlannerPlan storage for game installs, updates and free space.FOV ConverterConvert horizontal and vertical FOV for different aspect ratios.Controller & Keyboard TestCheck keyboard and gamepad inputs directly in your browser.Mouse Sensitivity & PollingReview input intervals for your sensitivity and polling rate.Ping & LatencyInterpret ping and packet loss for a quick network check.

Docs, Images & Video

Docs, Images & Video

PDF, image and video tools, right in your browser

34 tools

Capture video frameChoose a moment in your video and save it as a JPG, PNG or WebP image.Resize imageSet the width and height of your image in pixels.Compress imageAdjust quality and compare the file size before saving.Convert imageConvert images to JPG, PNG or WebP.Batch image toolsResize, convert and adjust the quality of multiple images at once.Crop imageKeep the area you want and save it as a new image.Watermark imageAdd custom text to an image and adjust its position, opacity and size.Rotate & flip imageRotate your photo by 90 degrees or flip it horizontally and vertically.Remove image metadataRemove metadata such as GPS and capture time from a photo.Background remove, blur & mosaicRemove a solid background or blur and pixelate an image before sharing it.Image & PDF text extraction (OCR)Extract text from an image or PDF and save it as TXT.Images to PDFTurn multiple photos into one PDF document.PDF to JPG & PNGConvert selected PDF pages to JPG or PNG and download multiple images as a ZIP.Merge PDFsCombine multiple PDFs into one file in your chosen order.Extract PDF pagesChoose the pages you need and save them as a new PDF.Organize PDF pagesDelete, reorder and rotate pages in a PDF.Number PDF pagesAdd the current page and total page count to every page.Watermark PDFAdd a diagonal text watermark to every PDF page.Sign, annotate & edit PDFAdd notes, highlights, check marks or a drawn signature to a PDF and save it.Compress PDFOptimize a PDF and compare the original and result sizes.Crop PDF pagesTrim the outer margins from every PDF page at once.Extract document textExtract text from DOCX and HWPX and save it as TXT.Clean document textRemove extra blank lines and spaces, then save clean text as TXT.Word & Hangul to PDFLay out DOCX or HWPX text on PDF pages and save it.Set PDF PasswordProtect a PDF with a password before sharing.PDF to Word & ExcelExtract PDF text and tables into editable files.HEIC to JPGConvert HEIC photos to widely compatible JPG files.SVG to PNGExport an SVG as a PNG at the size you choose.Favicon GeneratorCreate website favicon files from one image.Image DPI CheckerCheck image dimensions and estimated print size at a target DPI.Subtitle Format ConverterConvert subtitles between SRT and VTT formats.QR & Barcode GeneratorCreate QR codes for URLs, text, Wi-Fi, email, or phone numbers with custom settings.Screenshot AnnotatorAdd arrows, boxes and text to a screenshot.Image Color PickerPick a pixel from an image and copy its color code.

Lotto

Korean, Japanese and US lottery numbers and statistics

1 tool

Lotto Number GeneratorGenerate numbers for Korean, Japanese and US lotteries with combination statistics.

Travel

Travel tools are in progress

12 tools

Travel Budget CalculatorEstimate a trip budget from travelers, days and costs.Exchange Rate CalculatorConvert currencies using reference rates and an editable exchange spread.Time Zone CalculatorCompare local times between two destinations.Trip Date & D-dayCount down to a trip and calculate its duration.Travel Fuel CostEstimate fuel cost from distance, efficiency and fuel price.Trip Cost with TollsAdd fuel, tolls and parking to estimate a full trip cost.Split Trip CostsSplit the total trip cost evenly between travelers.Map-based Travel FacilitiesFind public parking, toilets, EV chargers, tourist information and campgrounds by region.Miles, Kilometers & GallonsConvert common distance and fuel units for travel.World Meeting TimeFind a convenient meeting time across two cities.Tip & Tax CalculatorAdd local tip and tax to see the final bill.Time Zone AlertConvert a local time before calling someone in another city.

Fitness

Fitness tools are in progress

Coming soon

Tools for this category are in progress.

Life

Everyday tools are in progress

10 tools

Text CounterCount characters, words, sentences, numbers, special characters and UTF-8 bytes in real time.Text AnalyzerAnalyze text statistics, transforms, readability, keyword density, social limits and script length in one place.AI Invisible Text ScrubberScan and clean zero-width characters, BiDi controls, hidden spaces, and Markdown traces.Unit ConverterConvert common length, weight and temperature units.Electricity & Boiler Cost CalculatorEstimate electricity and boiler costs with seasonal and country rate references.Discount CalculatorCalculate savings and final price after a discount.Unit Price ComparisonCompare up to five products by effective unit price, quantity, and shipping.Subscription Cost CalculatorAdd subscriptions and see monthly and yearly spending.Password GeneratorGenerate a random password locally in your browser.Monthly Budget PlannerTrack income and expenses to see your monthly remaining budget.

Work & Pay

Work and pay calculators

9 tools

Country Salary Take-home CalculatorEstimate annual take-home pay with country-specific taxes and social contributions for Korea, the US, Japan and China.Salary Raise CalculatorReview salary changes and purchasing power over time using an annual raise rate.Country Hourly & Monthly Wage CalculatorChoose a Korea, US, Japan or China reference to compare hourly, monthly and annual pay.Country Work Hours CalculatorCalculate net work hours and country-specific weekly, monthly and annual totals from a schedule.Weekly Paid Holiday CalculatorEstimate weekly holiday pay and its monthly equivalent from hourly wage and weekly hours.Severance Pay CalculatorEstimate severance under Korea and China statutory rules or US and Japan company policies.Unemployment Benefit CalculatorEstimate unemployment benefits and duration using Korea, Japan, China or US program inputs.Parental Leave Pay CalculatorEstimate parental-leave support for Korea and Japan, or enter local and employer values for China and the US.Delivery Profit CalculatorEstimate hourly, daily, and monthly delivery profit from rates and operating costs.

Finance & Assets

Finance & Assets

Tools for investing, saving, borrowing and managing money

11 tools

Investment ROI CalculatorCalculate net ROI and annualized returns after purchase, sale and tax costs.Compound Growth CalculatorProject compound growth, contributions and inflation-adjusted value over time.Stock & Crypto Average Price CalculatorCalculate the new average price and profit after additional stock or crypto purchases.Loan Interest CalculatorCompare monthly payments and total interest by repayment method.Savings Interest CalculatorCalculate after-tax maturity amounts for term deposits and savings plans.Exchange Rate CalculatorConvert currencies using reference rates and an editable exchange spread.Compound Interest & SavingsProject savings growth with contributions and compound interest.Simple Loan Amortization CalculatorView monthly payment and amortization details for a loan.Mortgage CalculatorEstimate mortgage payments and total interest.Rent Burden CalculatorSee what percentage of your income goes to rent.Savings Goal TimelineEstimate how long it will take to reach a savings goal.

AI Costs

AI model usage and API cost tools

1 tool

AI API Cost CalculatorCompare monthly API costs across AI models using requests and token usage.

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Home Development Gaming Docs, Images & Video Lotto Travel Fitness Life Work & Pay Finance & Assets AI Costs Community Support Licenses

FITNESS

Fitness

Tools for BMI, pace, calories and training.

Fitness tools

Coming soon

Tools for this category are in progress.

Tools Are All You Need.

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