All Tools
Every tool in the library on one page, grouped by category. Filter or search across all of them at once — nothing is uploaded and nothing reloads.
Showing all 203 tools across 9 categories
Text Case ConverterConvert text to UPPERCASE, lowercase, Title Case, camelCaseLive Word & Character CounterCount words, characters, sentences, and reading durationUnit ConverterConvert metres and feet, kilograms and pounds, Celsius and FahrenheitBinary / Hex ConverterConvert text & numbers to Binary and HexExact Age CalculatorCalculate exact age in years and total days livedPercentage CalculatorCalculate percentages, ratios, and relative sharesLoan EMI CalculatorCalculate monthly loan EMI payments and interestMorse Code Encoder / DecoderEncode plain text to Morse code or decode MorseUnix Timestamp ConverterConvert Unix timestamps to dates and back, in seconds, milliseconds or nanosecondsMulti-Currency EstimatorConvert between USD, EUR, GBP and INR at fixed reference ratesRGB & Hex Color ConverterConvert HEX color codes to RGB and HSLBandwidth Speed EstimatorConvert Mbps to MB/s and estimate file download durationBMI & Health CalculatorCalculate Body Mass Index (BMI) and health categoryDiscount & Savings CalculatorCalculate final sale prices and discount savingsTip & Bill Split CalculatorCalculate tips and split dining bills between peopleGerman VAT Calculator (MwSt.)Add or remove 19% / 7% German VAT between net and gross pricesProzentrechner – Percent CalculatorPercent of a value, percentage change, and share of a totalRule of Three Calculator (Dreisatz)Solve direct and inverse proportions with the rule of threeBinary TranslatorTranslate text to binary and binary back to text, with UTF-8 support.Calorie & TDEE CalculatorEstimate daily energy needs using the Mifflin-St Jeor equation.Compound Interest CalculatorProject how a balance grows with compounding and regular contributions.Date Difference CalculatorCount the days, weeks, months and working days between two dates.EMI CalculatorWork out the monthly instalment, total interest and total repayment on a loan.Epoch & Unix Timestamp ConverterConvert Unix timestamps to human-readable dates and back, in UTC and your local timezone.GPA CalculatorWork out a weighted grade point average from your courses and credits.GST / VAT CalculatorAdd tax to a net price or strip it back out of a gross one.Markdown to HTML ConverterTurn Markdown into clean HTML with a live preview of the rendered result.Meeting Cost CalculatorWhat a meeting costs in salary time, and what a recurring one costs over a yearMortgage CalculatorEstimate a mortgage payment including deposit, tax and insurance.Random Number GeneratorGenerate random numbers in any range, with or without duplicates, one or many at a time.ROI CalculatorMeasure return on investment, including the annualised rate over a holding period.Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals back to numbers, from 1 to 3,999,999.Salary to Hourly ConverterConvert between an annual salary and an hourly, daily, weekly or monthly rate.Savings Goal CalculatorFind out how much to set aside each month to reach a target by a given date.
Image CompressorCompress PNG/JPEG images without quality lossImage ResizerResize images to custom width and heightImage Format ConverterConvert images between PNG, JPEG, WebP and AVIFColor Picker & Hex/RGBPick color codes and sample image colorsQR Code GeneratorCreate a free QR code for any link or text and download itImage to Base64 ConverterConvert images into inline Data URI stringsFavicon GeneratorGenerate 16x16, 32x32, 64x64 website favicon PNGsWatermark AdderStamp text copyright watermarks onto imagesPhoto Filters & EffectsApply Grayscale, Sepia, Invert, Blur and Brightness filtersSVG Previewer & MinifierSafely preview SVG markup and minify the sourceAspect Ratio CalculatorCalculate proportional dimensions for 16:9, 4:3, etc.Colour Palette ExtractorExtract the dominant colours from any imageImage Cropper & TrimmerCrop image canvas to 1:1, 16:9, 9:16 aspect ratiosImage Flip & RotatorRotate photos 90°/180°/270° or flip horizontal/verticalEXIF Metadata StripperInspect and strip photo GPS location & camera EXIF tagsAdd Text to ImageOverlay a caption or watermark with control over font, colour and position.Black and White ConverterConvert to greyscale by luminance, channel average, threshold or sepia.Blur or Redact a RegionHide part of an image with a blur, pixelation or a solid block.Collage MakerCombine several images into one grid, strip or stack with your own spacing.Colour Blindness SimulatorSee how an image looks to people with the eight common types of colour vision deficiency.HEIC to JPG ConverterConvert iPhone HEIC photos to JPEG, PNG or WebP without uploading them.Image BorderAdd a border and optional padding around an image.Image Flip and RotateMirror an image horizontally or vertically and rotate it in quarter turns.Image Colour Inverter & GrayscaleInvert image colours, convert to grayscale or sepia, and download the result.Image SplitterSlice an image into a grid of tiles and download them all as a ZIP.Pixelate ImagePixelate a whole image or one rectangle of it, at a block size you choose.Placeholder Image GeneratorCreate dummy placeholder images at any size with custom colours and label text.Round Image CornersRound the corners of an image, or crop it to a circle, on a transparent PNG.SVG to PNG ConverterRender an SVG file to a PNG at any resolution, with a transparent or solid background.
JSON Formatter & ValidatorBeautify, validate, and format JSON codeBase64 Encoder / DecoderEncode text to Base64 or decode Base64 stringsStrong Password GeneratorGenerate random strong passwords with symbolsSHA-256 Hash GeneratorGenerate SHA-256 cryptographic hashesRegex Pattern TesterTest regular expressions against target stringsJWT Token DecoderDecode JWT tokens to view header and payload claimsHTML Code MinifierMinify HTML markup to optimize payload sizeUUID / GUID GeneratorGenerate RFC4122 v4 UUID unique identifiersCSS Minifier ToolMinify CSS stylesheets to remove whitespaceJavaScript MinifierMinify JS source code scriptsSQL Query FormatterFormat and indent SQL queries cleanlyXML Code FormatterFormat and indent XML document structuresURL Query Parameter ParserExtract and inspect URL query parameters and protocolUser-Agent InspectorInspect browser User-Agent strings and platform infohtpasswd Password GeneratorGenerate Apache .htpasswd authentication credentialsBcrypt Hash Generator & CheckerGenerate bcrypt password hashes at any cost factor and verify a password against a hash.Chmod Permissions CalculatorConvert between numeric and symbolic Unix file permissions with a checkbox grid.Cron Expression BuilderBuild and read five-field cron schedules, with the next run times shown.CSV to JSON ConverterParse CSV or TSV into JSON, with quoted fields and embedded newlines handled.HTML Entities Encoder & DecoderEncode text to HTML entities and decode entities back to plain characters, safely.JavaScript & HTML BeautifierFormat minified JavaScript, JSON, HTML or CSS into readable, consistently indented code.JSON DiffCompare two JSON documents structurally and list every added, removed or changed value.JSON to CSV ConverterTurn JSON records into a spreadsheet-ready CSV, flattening nested keys.JSON to TypeScript InterfaceGenerate TypeScript interfaces from any JSON sample, with nested types and optional fields.JSON Schema ValidatorCheck JSON data against a JSON Schema and see exactly which rule failed.Lorem Ipsum GeneratorGenerate placeholder paragraphs, sentences, words or list items.Multi Hash GeneratorHash text or a file with MD5, SHA-1, SHA-256, SHA-384 and SHA-512 at once.Slug GeneratorTurn titles into clean URL slugs, one at a time or in bulk.YAML to JSON ConverterConvert YAML to JSON and back, with multi-document support.
CSS Glassmorphism GeneratorCreate CSS glassmorphism backdrop filter stylesCSS Box Shadow BuilderDesign CSS box shadows with live previewWCAG Color Contrast CheckerTest WCAG text-to-background contrast ratiosCSS Gradient BuilderBuild linear, radial and conic gradients with up to three stopsCSS Border Radius BuilderRound each corner independently, in pixels or percentUI Color Palette GeneratorBuild interface roles — scale, neutrals and semantic colours — from one brand colourCSS Flexbox Layout GeneratorConfigure flex-direction, align-items, justify-contentCSS Grid Template BuilderConfigure grid-template-columns and responsive CSS gridCSS Keyframe Animation GeneratorGenerate pulse, float, spin, and bounce CSS animationsCSS Button Style GeneratorDesign modern UI buttons with hover effectsCSS Pure Border Triangle BuilderGenerate pure CSS border arrows and trianglesCSS Clamp() Fluid Typography GeneratorCalculate fluid typography clamp(min, vw, max) rulesCSS Aspect-Ratio Property GeneratorGenerate CSS aspect-ratio rules for responsive mediaBlob GeneratorCreate organic blob shapes as border-radius CSS or an SVG path.Clip Path GeneratorCut elements into circles, ellipses, insets and polygons with a live preview.Color Wheel & Scheme GeneratorBuild complementary, triadic, analogous and other colour harmonies from any base colour.CSS Filter GeneratorStack blur, brightness, contrast, hue and more into one filter rule.CSS Background Pattern GeneratorGenerate stripes, dots, checks and grid backgrounds as pure CSS you can copy.Cubic Bezier EditorShape an easing curve and watch it drive a live animation.Neumorphism GeneratorGenerate soft-UI shadows with a contrast check that flags unreadable results.PX to REM ConverterConvert px to rem and rem to px against any root font size, one value or a whole list.Scrollbar StylerStyle scrollbars with both the standard properties and the WebKit fallback.Tailwind Colour Shade GeneratorTurn one colour into a full 50 to 950 Tailwind shade scale, ready to paste into your config.Text Shadow GeneratorBuild layered text shadows, from a soft lift to neon and outline effects.
Content Uniqueness AnalyzerMeasure internal repetition and lexical variety in your own textKeyword Density CheckerAnalyze keyword occurrences and percentagesMeta Tag GeneratorGenerate HTML meta tags for SEO and OpenGraphRobots.txt BuilderCreate customized robots.txt files for search enginesXML Sitemap GeneratorGenerate XML sitemap structure for search indexersDomain Name AuditInspect a domain name for length, hyphens, digits and typo riskPage Speed AuditorAnalyze web page load times and performance scoresMeta Tag AnalyzerExtract and inspect meta tags from URL or HTMLRobots.txt TesterValidate URL paths against custom robots.txt rulesKeyword Research ToolExpand a seed word into long-tail phrasing patterns by search intentHeading Structure AnalyzerAudit H1-H6 heading hierarchy for SEO optimizationCanonical URL Tag CheckerAudit rel=canonical tags to prevent duplicate content penaltiesOpen Graph PreviewerPreview Facebook Open Graph, Twitter Cards, and image metadataSERP Snippet SimulatorLive preview Google Search title tag and meta snippetURL DecoderDecode percent-encoded URLs back to readable textURL EncoderPercent-encode URLs and query strings safelyHreflang Tag GeneratorGenerate reciprocal hreflang tags for a multilingual or multi-regional site.htaccess Redirect GeneratorBuild 301 and 302 redirect rules for Apache .htaccess, including HTTPS and www rules.Schema Markup GeneratorBuild valid JSON-LD structured data for articles, products, FAQs and more.UTM Campaign BuilderBuild correctly encoded campaign tracking URLs for analytics.
Text to PDF GeneratorConvert plain text documents to PDF printoutsMarkdown to PDF ConverterRender Markdown to a formatted document and print it to PDFPDF Invoice GeneratorCreate formatted business invoices and export PDFHTML to PDF PrinterPrint raw HTML code markup into PDF documentsPDF Document InspectorInspect document word count, character count, and pagesImage to PDF ConverterConvert uploaded images into printable PDF filesPDF WatermarkStamp a text watermark onto every page of a PDFPDF Page CounterCount the pages of a PDF and the paper it takes to printPDF Certificate CreatorGenerate printable award certificates in PDF formatPDF Header & Footer WrapperWrap text content with custom headers and footersPDF Metadata EditorRead, edit and strip the title, author and subject of a PDFCSV Data to PDF ConverterRender CSV tabular data into printable PDF tablesPDF to Word ConverterExtract the text of a PDF into an editable Word .docx fileWord to PDF ConverterTurn a Word .docx document into a printable PDFPDF Word & Character CounterCount the words and characters in a PDF's text layerPDF CompressorRebuild a PDF with object streams and dropped metadata to reduce its size.PDF MergerCombine several PDF files into one document, in any order.PDF Page NumberingStamp page numbers onto an existing PDF in the position you choose.PDF Page OrganizerReorder, rotate and delete pages, then save the document back out.PDF SplitterExtract page ranges from a PDF, or split it into single pages.
Video CompressorMake a video smaller without uploading it anywhereVideo ConverterConvert a video to MP4 or WebM without uploading it anywhereVideo Cropper & ResizerReshape a video for Reels, Shorts or a square feed without uploading itDetach Audio & VideoSplit a video into a silent video and a separate MP3Video Frame ExtractorPull frames out of a video as images and download them as a ZIPAdd Intro, Outro or ThumbnailPut an image or a clip at the front of a video, and a clip at the endVideo MergerJoin several videos into one, whatever shape or size they arrive inAdd Music to VideoReplace the sound on a video with a track of your ownRemove Audio from VideoStrip the sound from a video and keep the pictureCut Sections from a VideoMark several parts of one video and join them into a single clipSplit Screen & Picture-in-Picture Video MakerCombine two videos into one frame — stacked, side by side, diagonal, or one as a small overlayVideo SplitterCut a long video into short clips for Reels, Shorts or TikTokVideo StudioCut, reshape, brand, caption and score a video in one passAdd Subtitles to VideoBurn captions into a video so they show everywhere, including muted feedsVideo to MP3 ConverterPull the sound out of a video and download it as an MP3Video TrimmerCut a video down to one section without uploading it anywhereVideo WatermarkPut a logo or your name on a video, in a corner or tiled across
AI Article WriterWrite a full draft from a topic using your own free AI provider keyText & Article SummarizerSummarize long texts into concise key takeawaysParaphrasing & Rewriter ToolRephrase text to improve tone, fluency, and clarityAI Grammar & Style CheckerDetect grammar, spelling, and sentence errorsHeadline & Title GeneratorGenerate catchy titles for blogs and campaignsProfessional Email WriterCompose professional emails and follow-upsText ExpanderExpand brief notes into detailed paragraphsCode Structure AnalyzerMeasure line counts, nesting depth and declarations in a snippetPrompt OptimizerRefine AI prompts for optimal LLM generationCreative Story GeneratorGenerate fictional stories and plot outlinesWriting Tone ConverterAdjust tone to formal, casual, persuasive, or urgentSocial Media Post WriterGenerate engaging posts with hashtags for social mediaAI Blog Outline GeneratorGenerate structured H2/H3 blog post outlinesAI Meta Description WriterGenerate SEO 155-char meta descriptionsAI Content HumanizerRephrase robotic AI text into natural human voiceComment Reply AssistantPaste a post and its comments, get a reply drafted for each one
Citation FormatterFormat a reference in APA, MLA, Chicago or Harvard from fields you enterFancy Font & Unicode Text GeneratorTurn plain text into bold, italic, script, monospace and other Unicode letter styles.Find and ReplaceReplace text across a whole document, literally or by regular expression.Readability ScorerFlesch, Gunning Fog, SMOG and three more, with the sentence that is costing you mostDuplicate Line RemoverStrip repeated lines from a list, keeping the first or the last of each.Line Break RemoverJoin wrapped lines back into flowing paragraphs, or strip breaks entirely.Text ReverserReverse text by character, by word or by line.Line SorterSort lines alphabetically, numerically, by length or at random.Table GeneratorBuild a table in a grid and export it as Markdown, HTML, CSV or plain textText Compare & DiffCompare two blocks of text and highlight exactly what changed.Text RepeaterRepeat a block of text a set number of times, numbered or separated as you like.Text StatisticsCounts, reading time and platform limits for any block of text.Whitespace CleanerTrim, collapse and normalise the invisible characters in a block of text.Writing Variance AnalyserFind where your writing has fallen into a pattern — uniform sentences, stock transitions, worn phrasing
No tool matches that. Try a shorter word.