All tools, organized the way the site is actually built

Length, weight, temperature, storage, speed, pressure—each converter sticks to one measurement family so you are not wading through unrelated units. Handy when you already know the “from” and “to” and just need the math.

• Area ConverterConvert square meters, acres, hectares, square feet, and more
• Data ConverterConvert bytes, KB, MB, GB, TB, and data storage units
• Energy ConverterConvert joules, calories, kWh, BTU, and energy units
• Length ConverterConvert meters, kilometers, miles, feet, inches, and more
• Power ConverterConvert watts, kilowatts, horsepower, and power units
• Pressure ConverterConvert pascal, bar, PSI, atmosphere, and pressure units
• Speed ConverterConvert km/h, mph, m/s, knots, and other speed units
• Temperature ConverterConvert between Celsius, Fahrenheit, and Kelvin temperature scales
• Time ConverterConvert seconds, minutes, hours, days, weeks, and months
• Unit ConverterConvert between different measurement units easily
• Volume ConverterConvert liters, gallons, milliliters, cubic meters, and more
• Weight ConverterConvert kilograms, pounds, grams, ounces, and more

Anything tied to a calendar or a clock: adding days, age in years/months, time zones, work hours, or planetary time quirks. If the question is “when” or “how long,” this bucket usually beats a general-purpose calculator.

• Age CalculatorCalculate exact age in years, months, and days
• Age on Other PlanetsYour age on other planets
• Date and TimeComprehensive date and time tools
• Date CalculatorAdd or subtract days, weeks, months from any date
• Hours CalculatorConvert hours to minutes, seconds, and other time units
• Pet Age CalculatorConvert pet years to human years for dogs and cats
• Planetary Day ConverterConvert days between Earth and other planets
• Time CalculatorCalculate time differences and durations
• Time Zone ConverterConvert time between different time zones
• Timestamp ConverterConvert Unix timestamps to dates and dates to timestamps
• Work Hours CalculatorCalculate work hours, overtime, and time tracking

Pixels and vectors live here: compress, resize, crop, convert formats, strip backgrounds, and edit SVG for icons. If the file is a photo or illustration—not a PDF page or a prose draft—this is the right aisle.

• Background RemoverAutomatically remove backgrounds from images
• Base64 to ImageConvert Base64 strings back to downloadable images
• Compress Image to 100KBCompress image to 100KB online free without upload. Reduce JPG, PNG, and WebP images instantly.
• Compress Image to 200KBCompress image to 200KB online free without upload. Reduce JPG, PNG, and WebP images instantly.
• Compress Image to 50KBCompress image to 50KB online free without upload. Reduce JPG, PNG, and WebP images instantly.
• Image CompressorReduce image file size without noticeable quality loss
• Image ConverterConvert between JPG, PNG, WebP, GIF, and other image formats
• Image CropperCrop images to remove unwanted areas or focus on subjects
• Image ResizerResize images to specific dimensions while maintaining quality
• Image RotatorRotate and flip images 90°, 180°, or custom angles
• Image Size ReducerReduce image size in KB or MB online without losing quality. Resize JPG, PNG, JPEG, and WebP images easily.
• Image to Base64Convert images to Base64 encoded strings for web use
• Image to SVG ConverterConvert PNG or JPG images to SVG format. Best for icons and simple images
• JPG to PNG ConverterConvert JPG to PNG online instantly with no upload. Fast, private, and free browser-based conversion.
• PNG to JPG ConverterConvert PNG to JPG online instantly with no upload. Fast, private, and free browser-based conversion.
• Resize Image to 100KBResize and compress images to around 100KB online free with no upload.
• SVG Color EditorEdit SVG colors instantly. Change fill and stroke colors with live preview
• SVG Path EditorVisualize and edit SVG paths in real-time with zoom, pan, and path metrics
• SVG to JPG ConverterConvert SVG files to JPG format with custom quality and background colors
• SVG to PNG ConverterConvert SVG files to PNG format with custom sizes, backgrounds, and DPI scaling
• SVG ViewerView and inspect SVG files online with zoom, pan, background toggle, and metadata

Plain text workflows: counting words, fixing case, comparing drafts, generating placeholders or passwords, light editing in the browser. Reach for these when your input is copy-paste text rather than a binary file.

• Base64 Encoder/DecoderEncode and decode text to/from Base64 format
• Bold Text GeneratorGenerate bold, italic, monospace, and fancy Unicode text styles
• Lorem Ipsum GeneratorGenerate placeholder text for design mockups
• Online NotepadSimple text editor with autosave - no registration needed
• Password GeneratorCreate secure, random passwords with customizable options
• Random Word GeneratorGenerate random words for brainstorming and creativity
• Remove Extra SpacesClean text by removing unnecessary spaces and line breaks
• Text Case ConverterConvert text to uppercase, lowercase, title case, sentence case
• Text CompareSide-by-side or inline diff for drafts; copy or download a comparison report
• Word CounterCount words, characters, sentences, and paragraphs
• Word Frequency CounterAnalyze text and count word occurrences for SEO and analysis

Front-end craft: WCAG contrast, palettes, gradients, shadows, Tailwind picks, favicons, and other CSS you can copy into a project. Photo retouching belongs under Image Tools; this row is about layout and styling code.

• Border Radius GeneratorCreate custom border radius values for all corners with individual or locked controls
• Box Shadow GeneratorGenerate CSS box shadows with custom offsets, blur, spread, color, and opacity
• Clip-Path GeneratorVisual tool for CSS clip-path shapes with presets and custom points
• Color Palette GeneratorGenerate color palettes from one base color. Monochromatic, triadic, complementary. WCAG contrast.
• Color PickerPick colors and convert between HEX, RGB, and HSL formats
• CSS Button GeneratorLive editor for gradients, shadows, hover/focus states with CSS output
• CSS Clamp / Fluid Typography CalculatorGenerate responsive clamp() values for font size and spacing
• CSS Filter GeneratorCreate and preview CSS filter effects (blur, brightness, contrast, sepia, etc)
• CSS Gradient GeneratorCreate beautiful linear and radial CSS gradients with custom colors, angles, and stops
• Favicon & App Icon GeneratorGenerate favicon sets (16×16, 32×32, apple-touch) from images
• Glassmorphism UI GeneratorGenerate glass-effect UI panels with blur and transparency settings
• Grid & Layout GeneratorVisual CSS grid builder with areas and responsive breakpoints
• Image Overlay & Blend Mode ToolApply CSS blend modes and overlays interactively to any image
• Neumorphism UI GeneratorCreate neumorphic cards and controls with light/dark modes and code export
• Shadow & Glow Text GeneratorText effects with multi-layer shadows and CSS output
• SVG Icon CustomizerUpload SVG, change fill/stroke, color, size, and download
• SVG to JSX ConverterConvert SVG code to React-friendly JSX automatically
• Tailwind Cheat Sheet / Utility BuilderInteractive picker for Tailwind classes with copy tool
• Typography Scale GeneratorBuild modular type scales (major third, perfect fourth, etc) with code
• UI Spacing Scale AssistantGenerate spacing systems (4, 8, 12, 16px, etc) and export CSS variables
• WCAG Contrast CheckerCheck foreground and background color contrast for AA & AAA. Fix suggestions, eyedropper, color blindness simulation.

Focused formulas—health, money, grades, tips, science—each on its own page. Treat results as helpful estimates; use professional advice when health, tax, or legal outcomes really matter.

• Age Difference CalculatorCalculate the exact age difference between two dates in years, months, and days
• Average CalculatorCalculate the mean (average) of a set of numbers quickly and accurately.
• BMI CalculatorCalculate BMI with metric/imperial units. Ideal weight range, percentile context, privacy-first and offline capable.
• Body Fat CalculatorEstimate body fat percentage using BMI, waist, neck, and hip measurements
• Break-Even Point CalculatorFind how many units or how much revenue is needed to cover costs and break even.
• Calorie CalculatorFind your BMR, TDEE, and daily calorie goal with the Mifflin-St Jeor formula. For weight loss, maintenance, or gain.
• Charity Donation CalculatorCalculate charity contributions based on income or fixed percentage
• Cost of Living CalculatorCompare living expenses across cities including housing, food, and transportation
• Discount CalculatorCalculate discounted prices, savings amounts, and final payable values using this free online discount calculator
• Electricity Cost CalculatorEstimate electricity usage costs for appliances based on wattage and hours used
• Exponent CalculatorCompute powers and exponents with instant results and formulas.
• Fraction CalculatorAdd, subtract, multiply, and divide fractions with step-by-step results.
• Freelance Rate CalculatorCalculate freelance hourly or project rates based on income goals and expenses
• Fuel Cost CalculatorEstimate fuel costs for trips based on mileage, fuel price, and distance
• GCF CalculatorCalculate the greatest common factor (GCF) of multiple integers with steps and prime factorization.
• Gold Zakat CalculatorCalculate zakat specifically on gold assets based on nisab thresholds
• GPA CalculatorCalculate GPA easily with grade inputs, credit hours, and cumulative GPA tracking
• Heart Rate Zone CalculatorCalculate optimal heart rate zones for effective cardio and endurance training.
• Hourly Pay CalculatorConvert hourly wages into weekly, monthly, or yearly income estimates
• Ideal Weight CalculatorFind your ideal body weight using multiple health formulas
• LCM CalculatorFind the least common multiple (LCM) of two or more integers with step-by-step explanation.
• Lean Body Mass CalculatorEstimate lean body mass based on body measurements and body fat percentage.
• Macro CalculatorCalculate daily macronutrient intake for protein, carbs, and fats based on your fitness goals.
• Meal Cost CalculatorCalculate meal costs based on ingredient prices and servings
• Mean Median Mode CalculatorFind the mean, median, and mode of a list of numbers with instant descriptive statistics.
• Monthly Budget CalculatorTrack income and expenses to plan and manage your monthly personal budget.
• Overtime Pay CalculatorCalculate overtime wages based on hourly rate and extra work hours
• Ovulation CalculatorPredict ovulation days and fertile window for cycle tracking
• Percentage CalculatorCalculate percentages, percentage increases, decreases, and find the percentage of a number
• Pregnancy Due Date CalculatorEstimate pregnancy due date based on last menstrual period or conception date
• Profit Margin CalculatorCalculate profit margin, markup, and selling price for products or services.
• Protein Intake CalculatorEstimate recommended daily protein intake based on weight, age, and activity level.
• Reading Time CalculatorEstimate reading time based on word count and reading speed
• Running Pace CalculatorCalculate running pace, finish time, and distance for races and workouts.
• Salary to Hourly CalculatorConvert salary to hourly, daily, weekly, or monthly pay based on working hours.
• Scientific CalculatorPerform advanced math calculations including trigonometry, logarithms, exponents, and more
• Simple CalculatorPerform basic arithmetic operations like addition, subtraction, multiplication, and division instantly
• Sleep Cycle CalculatorCalculate optimal sleep and wake-up times based on sleep cycles
• Square Root CalculatorFind square roots and cube roots of numbers easily.
• Standard Deviation CalculatorCalculate standard deviation and variance for a dataset instantly.
• Steps to Distance CalculatorConvert step count into walking or running distance using stride length.
• Study Time CalculatorPlan study sessions and estimate total study hours needed
• Tip CalculatorCalculate tips and split bills easily among people with customizable percentages.
• Water Intake CalculatorCalculate recommended daily water intake based on weight, activity, and climate
• Zakat CalculatorCalculate zakat obligations based on savings, gold, silver, and assets

Keep the document as PDF: merge, split, compress, rotate, watermark, extract. If stakeholders expect a .pdf attachment, solve it here before you rasterize pages or dump text elsewhere.

• Add Page Numbers to PDFAdd page numbers to PDF documents with customizable formats
• Add Watermark to PDFAdd text watermarks to PDF documents
• Compress PDFReduce PDF file size while maintaining quality
• Edit PDF MetadataUpdate PDF document properties and metadata
• Extract PDF PagesSelect and extract specific pages from PDF documents
• Flatten PDFRemove form fields and annotations from PDFs
• Grayscale PDFConvert PDF to grayscale (black and white)
• Image to PDFConvert images to PDF document
• Merge PDFsCombine multiple PDF files into a single document
• PDF to ImageConvert PDF pages to PNG or JPEG images
• Remove PDF PagesDelete unwanted pages from PDF documents
• Reorder PDF PagesRearrange PDF page order with drag & drop
• Rotate PDFRotate PDF pages 90°, 180°, or 270°
• Split PDFsSplit PDF files by page ranges or individual pages

Read and clean structured data: JSON/XML/YAML formatters, URL and JWT parsers, regex testers, SQL formatters, and similar. When you need a random ID or QR code, see Developer Generators next.

• .env ParserParse .env files and export as JSON. Validate KEY=VALUE pairs
• API Response Mock GeneratorGenerate mock API response configs. Status, headers, body, delay
• Base ConverterConvert between binary, hex, octal, decimal number systems
• Browser Info ToolView comprehensive browser information and capabilities
• Code Minifier/BeautifierMinify or beautify JavaScript, HTML, and CSS in one tool
• Cookie ParserParse and create cookie strings with all attributes
• Cron Expression Generator & ParserGenerate and parse cron expressions. Human-readable descriptions
• CSS FormatterFormat CSS code with proper indentation and minification
• CURL to Fetch ConverterConvert curl commands to JavaScript fetch() code
• Domain ExtractorExtract domains from URLs with optional subdomain removal
• GraphQL Query FormatterBeautify and validate GraphQL queries, mutations, and schemas
• HTML Entity Encoder/DecoderEncode and decode HTML entities for safe HTML content
• HTML FormatterFormat and beautify HTML code with indentation and minification
• IP Address ConverterConvert IP addresses to decimal and decimal to IP addresses
• JSON Diff ViewerCompare two JSON files instantly. Highlight differences, added and removed keys. Free online JSON diff tool with no upload.
• JSON FormatterFormat, validate, and minify JSON code with syntax highlighting
• JSON Path FinderFind and extract JSON paths to navigate JSON structures
• JSON Schema GeneratorGenerate JSON Schema from sample JSON. Infer types and structure
• JSON ValidatorValidate JSON syntax with error detection and location highlighting
• JWT DecoderDecode JWT tokens to view header and payload information
• Local Storage ViewerView and edit localStorage data for the current domain
• Markdown EditorEdit markdown with live HTML preview and conversion
• Query String ParserParse query strings and convert URL parameters to JSON
• Regex TesterTest regular expressions with match highlighting and common patterns
• Semantic Version CalculatorCompare and increment semantic versions
• Semver Tester & CheckerValidate version formats and test version compatibility
• Session Storage ViewerView and edit sessionStorage data for the current session
• SQL FormatterFormat SQL queries with proper indentation and keyword formatting
• SQL Query BuilderBuild SELECT queries visually. Table, columns, WHERE, ORDER BY, LIMIT
• String EscaperEscape and unescape strings for JavaScript, HTML, JSON, Regex, and URL
• Text Diff ToolUnified patch-style diff: line/word/char modes and hide unchanged lines
• Text to BinaryConvert text to binary and binary to text with 8-bit encoding
• Text to HexConvert text to hexadecimal and hex to text
• TOML FormatterFormat TOML config files like Cargo.toml and pyproject.toml
• URL Encoder/DecoderEncode and decode URLs with component and full URL support
• URL ParserParse URLs and extract all components including query parameters
• User Agent ParserParse user agent strings to extract browser, OS, and device info
• YAML Formatter/ValidatorFormat and validate YAML config files with clean indentation

Produce values for configs and tests: UUIDs, hashes, QR codes, sample tokens, API keys. After generating, hop back to Developer Tools if you want to validate, diff, or pretty-print the result.

• API Key GeneratorGenerate API keys with multiple formats and customization options
• CORS Header GeneratorGenerate CORS headers for cross-origin requests
• Git Commit GeneratorGenerate conventional commit messages following best practices
• Hash GeneratorGenerate MD5, SHA-256, and SHA-512 hashes from text
• HTTP Header GeneratorGenerate HTTP headers with common headers library
• JWT GeneratorGenerate JWT tokens with HS256, HS384, HS512. Header, payload, secret
• QR Code GeneratorCreate QR codes from text, URLs, or any data instantly
• Random Number GeneratorGenerate random numbers within a specified range
• Random String GeneratorGenerate random strings with customizable length and character types
• URL BuilderBuild URLs from components with query parameters
• UUID GeneratorGenerate unique identifiers (UUIDs) for applications and databases

Change the shape of data for importers and scripts—CSV ↔ JSON, Excel, XML, Markdown exports, and the like. Think “wrong format for the tool I am pasting into,” not long-form writing.

• CSV to ExcelConvert CSV files into Excel (.xlsx) format with full data preservation
• CSV to JSONConvert CSV files into structured JSON objects instantly
• Excel to CSVConvert Excel (.xlsx) files to CSV format instantly in your browser
• JSON to CSVConvert JSON arrays into CSV format for spreadsheets and data analysis
• JSON to XMLConvert JSON data into XML format locally without any data upload
• PDF to TextExtract readable text from PDF files without uploading them to any server
• Text to PDFConvert plain text into a downloadable PDF file directly in your browser
• XML to JSONConvert XML files to clean, structured JSON directly in the browser

Ship-ready page checks: titles, meta, slugs, headings, schema snippets, robots.txt helpers, readability. Optimized for “does this URL look right to search and social crawlers?” rather than in-feed caption limits.

• Canonical URL GeneratorNormalize URLs and generate canonical link tags. Fix duplicate content and query parameters. Free.
• Content Metrics AnalyzerAnalyze word count, reading time, readability score, SERP preview, and keyword density. Free SEO content analysis
• FAQ Schema GeneratorCreate FAQPage JSON-LD for Google FAQ rich results. Add Q&A, copy JSON or full script tag. Free.
• Heading Structure AnalyzerAnalyze H1–H6 hierarchy from HTML. Find missing H1, skipped levels, empty or duplicate headings for SEO and accessibility
• Image SEO HelperCheck alt text rules, filename best practices, and size warnings. Improve accessibility and page speed.
• Keyword Usage AnalyzerAnalyze keyword density, distribution, and over-optimization in your content. Free keyword usage analyzer for SEO
• Noindex / Nofollow Meta GeneratorGenerate robots meta tag for index/noindex, follow/nofollow. Copy HTML tag for page head. Free.
• Open Graph & Twitter Card GeneratorGenerate og:image, twitter:card, title, description for Facebook, LinkedIn, X. Copy-paste meta tags. Free.
• Paragraph Structure AnalyzerFlag large and very large paragraphs. Improve scannability and mobile readability. Word count per paragraph.
• Passive Voice DetectorRule-based, non-AI. Spot likely passive voice (e.g. was written, is done). Improve clarity. Transparent logic.
• Readability & Style AnalyzerGet Flesch Reading Ease, Flesch-Kincaid grade level, words per sentence, syllables, reading time. Improve clarity.
• Robots.txt GeneratorCreate robots.txt with Allow/Disallow rules, Sitemap URL, and multiple User-agents. Copy or download. Free.
• Schema Markup Generator (JSON-LD)Create JSON-LD for Article, FAQPage, Product, Organization, BreadcrumbList. Copy script for rich results.
• Sentence Length AnalyzerHighlight long and very long sentences. Word count per sentence. Improve readability and scannability.
• SEO Audit LitePaste HTML for instant analysis: title, meta description, H1, canonical, og:image, alt text. No crawling, no APIs.
• SEO Checklist GeneratorGet checklists for blog, landing page, SaaS, and homepage. Copy and use before publishing. Free.
• SEO Slug GeneratorConvert titles into clean, keyword-friendly URL slugs. Lowercase, no special characters, optional stop words
• SERP Preview ToolPreview how your meta title and description appear in Google search results with pixel width limits
• URL Structure AnalyzerAnalyze URL length, depth, parameters, hyphen vs underscore. Get issues and tips for SEO-friendly URLs.
• XML Sitemap GeneratorCreate sitemap.xml for static URLs. Add lastmod, changefreq, priority. Copy or download. Submit to Search Console.

Preview STL, glTF, OBJ, and related assets in the browser, tweak shaders, capture views. Useful for quick inspection; heavy modeling still belongs in desktop 3D software.

• 360° Image ViewerView and explore 360° panoramic images interactively in your browser
• 3D Model Screenshot GeneratorLoad 3D models and export high-quality screenshots for presentations and catalogs
• 3D Model ViewerUniversal 3D viewer for GLB, GLTF, STL, and OBJ files. Material inspector, lighting controls
• GLB/GLTF ViewerView GLB and GLTF 3D files online. Animations, Draco compression, HD screenshots
• GLSL Shader Preview ToolFree GLSL shader editor & playground with live 3D preview, u_time and u_resolution
• STL ViewerView STL files online. Inspect 3D printing models, check dimensions, wireframe, and export screenshots

Odd-but-useful workflows that are not tied to one file type—like moving a file between your own devices through the browser when uploading to cloud storage feels like overkill.

• Device File ShareSecurely transfer files between devices directly in your browser using WebRTC peer-to-peer technology. No upload or storage required.

Structure prompts, estimate tokens, chunk long inputs, compare variants side by side. These pages help you write for LLMs; they are not chatbots and do not call external models themselves.

• AI Prompt FormatterClean messy prompts into a structured format. Format AI prompts for clarity. Free, no signup.
• AI Prompt ImproverRule-based suggestions to improve AI prompt clarity. Make prompts clearer. Free, runs in browser.
• AI Prompt LibraryCurated prompt examples and templates. ChatGPT prompts, free prompt library. Browse and copy.
• AI Role Prompt GeneratorGenerate 'Act as' prompts for marketer, developer, and more. Static templates. Free.
• AI Text Chunk SplitterSplit text for token limits. Chunk text for GPT and AI context windows. Free, no signup.
• Content Outline GeneratorRule-based headings generator from text. Auto outline and heading suggestions. Free.
• Prompt Comparison ToolCompare two prompts side-by-side. Prompt diff and A/B comparison. Free, runs in browser.
• Prompt Template BuilderFill in fields to build structured AI prompts. Reusable prompt templates. Free, no signup.
• Prompt Variable InjectorTurn prompts into reusable templates with variables. {{variable}} support. Free, no signup.
• Token Counter EstimatorEstimate tokens for GPT and ChatGPT prompts. Count tokens before sending. Free token estimator in your browser.

Feeds and bios: character counts, line breaks, hashtag helpers, platform-specific previews. When the hard limit is “will this post fit and read cleanly?” use this group instead of SEO tooling.

• Bio Character CounterInstagram, Twitter, TikTok, LinkedIn bio character limits. Check bio length. Free, no signup.
• Caption FormatterFormat captions with line breaks, emojis, spacing. Instagram caption formatter. Free, runs in browser.
• Hashtag GeneratorGenerate hashtags from keyword and niche. Instagram, TikTok, Reels hashtag suggestions. Free.
• LinkedIn Post FormatterFormat LinkedIn posts with paragraph and spacing optimization. Free, no signup.
• Post Time CalculatorEstimate best time to post on social media. When to post Instagram, Twitter. Free.
• Social Font GeneratorStylized Unicode fonts for social media. Fancy font generator. Free, runs in browser.
• Tweet/X PreviewPreview how your tweet will look on X (Twitter). Character count and appearance. Free.
• YouTube Description FormatterFormat YouTube descriptions with spacing and timestamps. SEO helper. Free.
• YouTube Title OptimizerOptimize YouTube title length and power words. Character limit and suggestions. Free.

Job search hygiene: résumé wording, overlap with a posting, notice periods, practice questions, rough compensation math. Everything here is a draft for you to edit—never a substitute for a qualified advisor.

• Career Goal Statement GeneratorTemplate-based career goal and professional summary. Free, no signup.
• Cover Letter FormatterFormat cover letter with proper structure and template. Free, runs in browser.
• GPA to Resume ConverterFormat GPA for resume. Academic formatting helper. Free, runs in browser.
• Interview Question GeneratorRole-based interview questions. Common interview questions by role. Free, static DB.
• JD Keyword ExtractorExtract keywords from job description for resume SEO. Free, runs in browser.
• Notice Period CalculatorCalculate last working day from notice period. Resignation calculator. Free.
• Resume Bullet GeneratorGenerate resume bullet points with action verbs and structure. Free, no signup.
• Resume Keyword ScannerPaste resume and job description. Highlight matching keywords for ATS. Free.
• Salary After Tax CalculatorEstimate take-home pay, total tax, and marginal rate from salary. Free, browser-based salary tax calculator.
• Work Experience CalculatorCalculate years and months of work experience. Tenure calculator. Free.