Free Online Browser Tools
Convert images, work with PDFs, format JSON and create QR codes with PivaBox. File processing stays in your browser; network checks may contact external services.
Image Tools
Batch Image Resizer — Resize multiple images at once — set dimensions, format, and quality for allColor Palette Generator — Generate harmonious color palettes with complementary, analogous, triadic, and monochromatic schemesColor Picker — Pick colors from images and get HEX, RGB, HSL valuesDominant Color — Extract the top 5 dominant colors from an image with HEX and RGB valuesEmoji to PNG — Render emoji to high-resolution PNG images with custom size and backgroundEXIF Viewer — View photo metadata including camera settings, GPS location, and date informationGIF Maker — Create animated GIFs from multiple images — adjust timing, order, and sizeGIF Frame Splitter — Extract individual frames from animated GIFs — download each frame as PNGIcon Generator — Generate simple icons from text and emojiImage Blur — Apply Gaussian blur to images with an adjustable radius sliderImage Border — Add borders to images with configurable width, color, and line styleImage Compressor — Compress images online with quality control and resize options, privacy safeImage Converter — Convert images between PNG, JPEG, WebP, and AVIF formats directly in your browserImage Crop — Crop images with an interactive selection toolImage Diff — Compare two images pixel by pixel and highlight the differencesImage DPI Changer — Change image DPI metadata — adjust print resolution without affecting pixelsImage Filter — Apply filters: grayscale, sepia, invert, blur, brightness, contrastImage Flip & Rotate — Flip images horizontally or vertically and rotate 90, 180, or 270 degreesImage Grayscale — Convert images to grayscale with adjustable RGB channel mixing weightsImage Metadata Editor — View and edit EXIF metadata — change date, location, camera settings and moreOil Painting Effect — Transform photos into oil painting style — adjustable brush size and color intensityImage Pixelate — Create pixel art and mosaic effects — adjustable block sizeImage Placeholder — Generate PNG or SVG placeholders with custom dimensions, text, and colorsImage Sharpen — Sharpen blurry images or reduce noise with adjustable strengthImage to Sketch — Convert photos into pencil sketch drawings — edge detection with adjustable strengthImage to Base64 — Convert uploaded images to Base64 data URIs for CSS, HTML, or raw formatImage Watermark — Add text or image watermarks to your photos with position, opacity, tiling, drag positioning, and batch ZIP exportMeme Generator — Add text captions to images to create memesImage to Text (OCR) — Extract text from images using browser-based OCRPhoto Collage Maker — Combine multiple photos into a beautiful collage with customizable layout and spacingQR Code Generator & Decoder — Create a downloadable PNG QR code from text or a URL, or upload an image to read an existing code. Both actions run in your browser.Background Remover — Remove image background by clicking the color to make transparentScreenshot Beautifier — Make screenshots look beautiful — add shadows, rounded corners, backgrounds and browser frames in one clickSocial Media Resizer — Resize images to perfect dimensions for Instagram, Twitter, Facebook, LinkedIn, YouTube, TikTok and moreSVG Placeholder Studio — Build a vector placeholder with custom dimensions, text, colors, and Base64 output.SVG to PNG — Convert SVG vector graphics to PNG imagesWi-Fi QR Code Maker — Enter a Wi-Fi name and its security details to create a scannable connection code. Supports open, password-protected and enterprise networks, with a PNG download.
PDF Tools
PDF Compressor — Compress PDF files — reduce file size by optimizing streams and removing unused objectsPDF Image Extractor — Extract all embedded images from PDF files with preview and batch downloadPDF Form Filler — Fill in PDF forms directly in your browser — edit text fields, checkboxes, and dropdownsPDF Merger — Combine two or more PDF files in your chosen order and download one document. The PDFs are merged locally in your browser.PDF Metadata — View PDF document metadata: title, author, pages, and morePDF Page Numberer — Add page numbers to PDF documents at customizable positionsPDF Page Reorder — Reorder, remove, and rearrange PDF pages with drag and dropPDF Rotator — Rotate all pages of a PDF by 90, 180, or 270 degreesPDF Signer — Sign PDF documents with your handwritten signature — draw or type, then place on any pagePDF Signature Audit — Check PDF signature math and inspect embedded certificates in your browser.PDF Splitter — Split a PDF into separate pages or extract a page rangePDF to Image — Convert PDF pages to PNG or JPEG images — set resolution and qualityPDF to Text — Extract text content from PDF filesPDF Unlocker — Remove password protection from PDF filesPDF Watermark — Add text watermarks to PDF pages — customize position, opacity, rotation and tiling
Text Tools
Case Converter — Convert text between uppercase, lowercase, title case, and moreChinese to Pinyin — Convert Chinese characters to Pinyin with tone marks — supports common charactersVertical Text Converter — Display text in traditional vertical layout — right-to-left with punctuation rotationDuplicate Line Remover — Find and remove duplicate lines from your text with fuzzy matching supportEmail Spam Score Analyzer — Analyze your email for spam triggers — get a spam score and actionable improvement suggestionsEmail & URL Extractor — Extract emails, URLs, phone numbers, IP addresses and more from any textFull/Half Width Converter — Convert between full-width and half-width characters for punctuation, letters, and numbersHandwriting Generator — Create handwritten-style text images with various fonts and paper backgroundsQuick Translator — Translate words and common phrases between 20 languages using a built-in glossary — all processing happens in your browserList Composer — Combine sorting, deduplication, case, separators, and wrappers in one list conversion.Lorem Ipsum — Generate placeholder text in various lengthsChinese Lorem Ipsum — Generate Chinese placeholder text using classical and modern Chinese phrasesMarkdown Preview — Write Markdown, preview the page, and export sanitized HTMLMorse Code — Convert text to Morse code and decode Morse back to textMulti-Line Editor — Edit multiple lines at once — add prefix/suffix, number lines, sort, reverse, wrap, find & replace, and moreNumeronym Maker — Turn long words into compact forms such as internationalization → i18n.Readability Analyzer — Analyze text readability with Flesch-Kincaid, Gunning Fog, SMOG and moreSearch and Replace — Search and replace text with optional regex support and match countingSimplified/Traditional Chinese — Convert between Simplified and Traditional Chinese at character levelText Aligner — Align text to left, center, right, or justify with configurable width and paddingText Diff — Compare two texts side by side and highlight differencesText Sorter — Sort, deduplicate, reverse, and shuffle text linesText Summarizer — Auto-summarize text using TF-IDF extractive sentence scoring — keep the most important sentencesText to Speech — Convert text to natural-sounding speech using your browser's built-in voice enginePinyin / Romaji Converter — Convert Chinese characters to Pinyin, Japanese kana to Romaji, Cyrillic to Latin, and Arabic to Latin — all in your browserWord Counter — Count characters, words, sentences, lines, and paragraphs
Developer Tools
ASCII Table Builder — Convert CSV or JSON data into a formatted ASCII tableBase Converter — Convert numbers between binary, octal, decimal, and hexadecimalBase32 Encoder/Decoder — Encode and decode text with Base32 — RFC 4648, Base32Hex, and Crockford variantsBase58 Encoder/Decoder — Encode and decode text with Base58 — the Bitcoin-friendly encoding without ambiguous charactersBase64 Encoder / Decoder — Convert text and files to Base64, and turn Base64 back into a downloadable fileBaseN Encoder — Custom base encoding with any alphabet — Base36, Base62, Base64url, or define your ownBasic Auth Header — Encode a username and password as an HTTP Basic authorization header.Bcrypt Generator — Hash passwords with bcrypt — industry-standard adaptive hashing with configurable cost factorJS Benchmark Runner — Compare JavaScript code performance — measure execution speed of different implementations side by sideBracket Matcher — Check brace, bracket, and parenthesis matching in codeSSL Certificate Viewer — Inspect an X.509 certificate from a PEM or DER file, or paste PEM text — locally in your browserChaCha20 Encrypt/Decrypt — Encrypt and decrypt data using ChaCha20-Poly1305 — the modern AEAD cipher used in TLS 1.3 and WireGuardChmod Calculator — Calculate Unix file permissions with visual checkbox selection and numeric outputCIDR Aggregator — Merge multiple CIDR ranges into minimal supernets — optimize firewall rules and routing tablesColor Converter — Convert colors between HEX, RGB, HSL formatsCommit Message Generator — Generate Conventional Commit messages from git diff — auto-detect type, scope, and breaking changesCron Parser — Parse and explain cron expressions in human-readable formatCrontab Builder — Build cron expressions visually with dropdown selects and human-readable explanationsCSS Generator — Generate CSS code for box shadows, gradients, and moreCSS Minifier — Minify CSS by removing whitespace, comments, and redundant rules to reduce file sizeCSS Specificity Calculator — Calculate CSS selector specificity — visual (a, b, c) breakdown with compare mode and selector explanationCSV to Markdown — Convert CSV data into a Markdown table with previewcURL Command Builder — Visually build curl commands — choose method, headers, auth, body, and get the ready-to-run curl commandMock Data Generator — Generate realistic fake data for testing — names, emails, phones, addresses, UUIDs, and moreData Size Converter — Convert between data size units (B, KB, MB, GB, TB) with instant conversionDead Link Checker — Check multiple URLs for broken links — detect 404s, server errors, and redirects in bulkDiff Checker — Compare two texts side by side with added and removed lines highlightedName — Query DNS records using DNS-over-HTTPS — check A, AAAA, CNAME, MX, TXT, NS, SOA recordsDocker Compose Builder — Turn a docker run command into a Compose service without executing it.Dockerfile Generator — Generate optimized Dockerfiles for Node.js, Python, Go, Rust, Nginx, and more with best practices built-inEmail Address Normalizer — Normalize email aliases line by line, including provider-specific Gmail rules.Encoding Detector — Detect character encoding of text/files — BOM detection, UTF-8 validation, byte analysis, convert to UTF-8/ASCII/Base64/Hex, and mojibake fixerEncrypt / Decrypt — Encrypt and decrypt text using AES-256-GCM with password-based key derivation.env File Generator — Generate .env files for Node.js, React, Next.js, Django, Rails, Laravel, Spring Boot, Go, and more with framework-specific variablesExcel to JSON — Convert Excel and CSV files to JSON — upload and get structured dataGit Command Notes — Find and copy common Git commands with a brief explanation.Gitignore Generator — Generate .gitignore files by selecting technologies and patterns — live preview, copy, and downloadGradient Generator — Create beautiful CSS gradients visually with linear and radial optionsGraphQL Formatter — Format, validate, and minify GraphQL queries with syntax highlighting, query depth analysis, and field countingHash Checker — Compute SHA-256 hashes and compare against expected values for file verificationHash Generator — Compute SHA-1, SHA-256, SHA-384, SHA-512 hashes using browser Crypto APIHKDF Key Derivation — Derive cryptographic keys using HKDF (RFC 5869) — extract-then-expand with configurable salt and infoHMAC Generator — Generate HMAC signatures using SHA-1, SHA-256, SHA-384, SHA-512 with a secret keyHTML Encoder — Encode or decode HTML entities for safe web useHTML Formatter — Format and beautify HTML code with proper indentation and structureHTML Live Preview — Write HTML, CSS, and JavaScript and see the result in real-time — live sandbox in your browserHTML to Markdown — Convert HTML content to clean Markdown format automaticallyHTTP Status Codes — Quick reference for HTTP status codes with descriptions grouped by categoryIP Subnet Calculator — Calculate network address, broadcast, host range, and usable hosts from CIDR notationIPv4 Representation Explorer — See an IPv4 address as decimal, hex, binary, and IPv6-mapped notation.IPv4 Range to CIDR — Cover an inclusive IPv4 address range with the fewest CIDR blocks.IPv4 Range Expander — Find the smallest single CIDR subnet covering an address range and see how it expands.JS Minifier — Minify JavaScript by stripping comments and unnecessary whitespaceJSON ↔ CSV — Convert between JSON and CSV formatsJSON Diff — Compare two JSON objects and find differences — visual tree with color-coded changesJSON Formatter — Paste JSON to validate and format it with 2 spaces, 4 spaces or tabs, or minify it to one line. Copy the result directly from your browser.Random JSON Generator — Generate random JSON data from JSON Schema or template placeholdersJSON Schema Generator — Generate JSON Schema from JSON data — auto-detects types, formats, and nested structuresJSON to Excel — Convert JSON data to Excel (.xlsx) or CSV — download with one clickJSON to Table — Convert a JSON array into an HTML table and copy as MarkdownJSON to TypeScript — Generate TypeScript interface definitions from JSON objects automaticallyJSONPath Tester — Test JSONPath expressions against JSON data with real-time result displayJWT Decoder — Decode JWT tokens to view header, payload, and signature infoKeyboard Event Viewer — Inspect keyboard events — key, code, keyCode, modifiers in real-timeMAC Address Maker — Generate MAC addresses with optional prefix, letter case, and separator.MAC Vendor Explorer — Check the vendor assigned to a MAC address prefix using a local IEEE MA-L snapshot.MCP Config Builder — Visually build MCP server configurations for Claude Code — add servers, set commands, and export as JSONMessagePack Converter — Convert between JSON and MessagePack — a compact binary serialization formatMIME Types Reference — Quick reference for common MIME types — search by extension or content typeMnemonic Workbench — Convert entropy and BIP39 recovery words in ten languages, and derive a seed locally.Nano ID Generator — Generate compact unique IDs — faster and shorter than UUID, URL-safePhonetic Alphabet Speller — Spell letters and digits using the NATO phonetic alphabet.NPM Package Analyzer — Paste package.json to review dependency counts, scripts and license details. Optionally check latest versions with the npm registry; package names are sent only when you enable that check.Number Base Converter — Convert numbers between binary, octal, decimal, and hexadecimal basesOpenAPI / Swagger Viewer — Paste an OpenAPI 3.x JSON or YAML document to browse endpoints, parameters, request bodies and responses. Build example request URLs without sending API calls.OTP Generator — Generate time-based one-time passwords (TOTP) with countdown timer for 2FAPassword Generator — Generate strong random passwords with custom optionsPassword Strength Checker — Analyze password strength with scoring, character analysis, and improvement tipsPBKDF2 Key Derivation — Derive cryptographic keys from passwords using PBKDF2 — configurable iterations, salt, and hash algorithmRandom Port Picker — Pick distinct random port numbers above the well-known port range.Protocol Buffers Converter — Encode and decode Protocol Buffers messages with a .proto schemaPunycode Converter — Convert between Unicode domain names and Punycode (RFC 3492) — essential for international domain namesREADME Generator — Create a Markdown README with project details, features, installation steps, badges and optional API or configuration tables. Preview it live, then copy or download the file.Regex Builder — Build regular expressions visually using checkboxes and selection controlsRegex Escape / Unescape — Escape or unescape special regex characters in textRegex Explainer — Understand any regular expression — breaks down patterns into plain English explanations token by tokenRegex Pattern Notes — Search JavaScript regular-expression tokens, groups, escapes, and flags.Regex Tester — Test regular expressions in real-time with match highlightingRegex Visualizer — Visualize regular expressions as syntax diagrams — see the structure of your patternRich Text to HTML — Edit rich text and export clean, formatted HTML source.Roman Number Lab — Convert whole numbers and canonical Roman numerals in either direction.RSA Key Studio — Generate an RSA public and private key pair as PEM files in your browser.SafeLink Destination Reader — Reveal the destination inside a Microsoft Outlook SafeLink without opening it.Scrypt Key Derivation — Derive keys using scrypt — a memory-hard KDF resistant to GPU and ASIC attacksSemver Comparator — Compare semantic version numbers to determine which is newer, older, or equalSlug Generator — Convert text to URL-friendly slugsSM2 Encrypt/Decrypt — Encrypt and decrypt using SM2 — Chinese national standard for elliptic curve public-key cryptographySM4 Encrypt/Decrypt — Encrypt and decrypt data using SM4 — Chinese national standard block cipher (GB/T 32907)Social Preview Tags — Build Open Graph and social card tags as you type.SQL Formatter — Format and beautify SQL queries with keyword capitalization and indentationString Escape — Escape and unescape strings for JSON, JavaScript, HTML, XML, URL, CSV and moreString Inspector — Analyze strings: length, word count, character categories, Unicode code points, encodingText & Bits — Convert UTF-8 text to binary bytes and back.Timestamp Converter — Convert Unix timestamps to readable dates and vice versaToken Generator — Generate cryptographically secure random tokens in hex or base64 formatTOML ↔ JSON — Convert between TOML configuration files and JSON formatTSV ↔ CSV — Convert between TSV (tab-separated) and CSV (comma-separated) formatsUser Agent Parser — Parse User-Agent strings to identify browser, engine, operating system, and deviceLocal IPv6 Prefix — Derive an IPv6 ULA from a MAC address and current time, or generate a random /48 prefix.ULID Generator — Generate sortable unique identifiers — ULIDs are time-based and lexicographically orderedURL Encoder / Decoder — Encode or decode URL strings for safe web usageURL Parser — Parse URLs into individual components including protocol, host, path, and query parametersUUID Generator — Generate UUID v4 identifiers in bulk, copy to clipboardWebSocket Tester — Test WebSocket connections — connect to any endpoint, send and receive messages in real-timeXML Formatter — Format and beautify XML documents with proper indentation and structureXML ↔ JSON — Convert between XML and JSON formats bidirectionallyYAML ↔ JSON — Convert between YAML and JSON formats in real-timeYAML / TOML Bridge — Convert structured configuration files between YAML and TOML.
Other Tools
Random Generator — Generate random numbers and random strings with customizable character setsStatistics Calculator — Calculate statistical measures including mean, median, mode, variance, and standard deviationUnit Converter — Convert length, weight, area, and eight temperature scales
Daily Life
Blood Pressure Tracker — Log and track your blood pressure readings, view trends and statistics with color-coded classificationsBMI Calculator — Calculate Body Mass Index and determine weight category with height and weight inputsBody Fat Calculator — Estimate body fat percentage using the U.S. Navy circumference methodChild Vaccine Schedule — Choose a country or region and see reference ages for routine childhood vaccinationColor Blindness Simulator — Simulate how images appear to people with different types of color vision deficiencyCompound Interest Calculator — Calculate compound interest growth over time — see how your investments grow with regular contributions and different compounding frequenciesCountdown Timer — Count down to important events with live updating days, hours, minutes, and secondsDate Calculator — Calculate dates by adding or subtracting days, weeks, months, or yearsDot Grid Paper — Generate printable dot grid and graph paper with customizable dot size and spacingEmoji Search — Search and find emojis by name or keyword with one-click copyETA Planner — Estimate a task’s finish time from a rate or its completed progress.Font Preview — Preview and compare local system fonts with customizable sample textFuel Consumption Calculator — Calculate fuel consumption in L/100km, km/L, MPG and estimate trip/yearly fuel costsIBAN Structure Check — Check IBAN format and checksum, inspect its fields, and see why an entry fails.Life Calendar — Visualize your life in weeks with color-coded weekly blocks for each yearLoan Calculator — Calculate mortgage and loan payments with equal installment or equal principal repayment — compare total costs and generate amortization schedulesPercentage Calculator — Calculate percentages, proportions, and percentage changes with multiple modesPerpetual Calendar — Chinese perpetual calendar with lunar dates, zodiac signs, and heavenly stems & earthly branchesPhone Number Inspector — Parse, format, and check international telephone numbers locally.Pomodoro Timer — Stay focused with a customizable pomodoro timer — work in intervals with automatic break reminders and audio notificationsDue Date Calculator — Estimate your pregnancy due date based on last menstrual period, conception date, or ultrasound dateRandom File Generator — Generate random test files in TXT, CSV, JSON, or binary formatReaction Time Test — Test your reaction speed — click when the box turns greenSleep Cycle Calculator — Calculate optimal sleep and wake times based on 90-minute sleep cycles to wake up refreshedBill Splitter — Split a bill with friends — supports even split, percentage split, and item-by-item splitting with tip and taxStopwatch & Laps — Time a task with pause, resume, and lap markers.Tax Calculator — Estimate income tax across thirteen countries and regions, with deductions, income after tax, and bracket details.Time Zone Converter — Compare time zones, view live clocks for major cities, and find meeting overlap with a visual plannerTyping Speed Test — Test your typing speed and accuracy with real-time WPM measurement
Creative Tools
Barcode Generator — Generate barcodes in multiple formats (Code 128, EAN-13, EAN-8, UPC-A, Code 39, ITF) using pure Canvas renderingCSS Animation Builder — Visually build and preview CSS animations with presets, duration, delay, and easing controlsFavicon Generator — Generate favicons from emoji, text, or images — get all standard sizes from 16x16 to 256x256Maze Generator — Generate mazes using different algorithms (DFS, Kruskal, Prim) with customizable size and solution pathDevice Mockup Generator — Place screenshots into realistic device frames — iPhone, Android, iPad, MacBook, iMac, Apple WatchPattern Generator — Create seamless repeating patterns with customizable colors, scale, and rotationPixel Art Editor — Draw pixel art with a color palette, pencil, eraser, flood fill, undo/redo, and export as PNGRegex Golf — A puzzle game where you write the shortest regex to match target strings — beat the par score across 10 levels!Skeleton Loader Generator — Generate CSS skeleton loading placeholders with pulse and shimmer animations — Card, List, Text, Avatar, Table, Dashboard layouts
Privacy & Security
Browser Fingerprint Viewer — See what your browser reveals — canvas, WebGL, fonts, hardware, and 25+ fingerprint vectors tracked by websitesFile Integrity Checker — Calculate and verify file checksums — MD5, SHA-1, SHA-256, SHA-384, SHA-512, CRC32Data Anonymizer — Detect and redact sensitive information — emails, phones, credit cards, SSNs, IPs, and morePassword Entropy Meter — Calculate password entropy and estimate crack time — understand what makes a password strongSecurity Headers Analyzer — Analyze HTTP security headers for any URL — check CSP, HSTS, X-Frame-Options and morePassword Policy Tester — Test passwords against custom policies — length, character types, patterns, and common word checksPGP Key Generator — Generate PGP key pairs in your browser — RSA 2048/4096 or ECC P-256/P-384, export as PEMSSL Checker — Check SSL/TLS configuration for any domain — verify HTTPS, HTTP redirect, and HSTS headersString Masker — Hide the middle of a string while keeping chosen edges and optional spaces.
Audio & Video
Audio Effects — Voice changer and audio effects — pitch shift, reverb, echo, distortion, EQ, robot voice. Process in your browser with Web Audio APIAudio Recorder — Record audio directly in your browser — visualize waveform and download as WebMAudio Trimmer — Trim audio files, add fade effects, and export — all in your browserAudio Visualizer — Real-time music visualization with multiple styles — bars, waveform, particles, and fireworksBPM Detector — Detect BPM (beats per minute) from audio — onset detection algorithm with tap tempo mode. All processing in your browserCamera Capture Studio — Take photos and record video using a selected camera and microphone in your browser.Karaoke Maker — Remove vocals from songs using phase cancellation — create instrumental and vocal tracks. All processing in your browserScreen Recorder — Record your screen, window, or browser tab — preview, playback, and download as WebMSpeech to Text — Convert speech to text using your microphone — supports 19 languages. All processing via browser Web Speech APISubtitle Editor — Create and edit SRT subtitle files — sync with video, export to SRT or WebVTTVideo Metadata Viewer — View video duration, dimensions, file size, and a frame thumbnail in your browserVideo to GIF — Convert video clips into real animated GIFs or extract PNG frames — entirely in your browser
Data Visualization
ASCII Art Generator — Convert images to ASCII art with customizable character sets, color modes, and live preview. All processing happens locally in your browser.Chart Builder — Create beautiful bar, line, pie, and doughnut charts — customize data, colors, and export as PNGFlowchart Maker — Create professional flowcharts with shapes, connectors, and drag-and-drop editing. All processing happens locally in your browser.Mermaid Live Editor — Create diagrams from text — flowcharts, sequence diagrams, class diagrams and more using Mermaid syntaxSankey Diagram — Create interactive Sankey (flow) diagrams to visualize energy, material, or data flows between nodesTable Visual Builder — Build and style tables visually with WYSIWYG editing, export to Markdown, HTML, CSV. All processing happens locally in your browser.Timeline Maker — Create beautiful horizontal or vertical timelines with custom events, color themes, and templates. All processing happens locally in your browser.Venn Diagram — Create beautiful Venn diagrams with 2-3 circles, custom labels, colors, and downloadable PNG/SVG output. All processing happens locally in your browser.Word Cloud Generator — Create beautiful word clouds from text with custom shapes, colors, fonts and layout options. All processing happens locally in your browser.
Math & Science
Equation Solver — Solve linear, quadratic, and systems of equations with step-by-step solutions and interactive parabola graphingFraction Calculator — Calculate with fractions — add, subtract, multiply, divide, simplify, and convert decimals to fractions2D Graph Plotter — Plot mathematical functions on a 2D canvas — multiple functions, zoom, pan, and download as PNGLaTeX Editor — Write LaTeX formulas with live KaTeX preview — symbol toolbar, presets, and export to PNG or SVGMatrix Calculator — Perform matrix operations: addition, subtraction, multiplication, determinant, inverse, transpose, and scalar multiplicationPrime Number Tools — Prime number toolkit — check primality, find factors, nearest primes, count primes in rangeScientific Calculator — Advanced scientific calculator with trig functions, logarithms, powers, and angle mode toggle — all in your browserUnit Circle Explorer — Interactive unit circle — explore sine, cosine, tangent, common angles, and quadrant relationships with live visualization
Games
Minesweeper — Classic minesweeper game — clear the board without detonating any mines
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