Tools

Slice images into 9 pieces for scalable UI elements.

Encrypt and decrypt text using AES-256 with Web Crypto API.

Calculate your exact age in years, months, days, hours, and find your next birthday countdown.

Visualize sorting algorithms step by step with animated bar charts.

Generate white noise, rain, fire, and nature sounds using Web Audio API.

Format and pretty-print API responses in JSON, XML, and YAML.

Calculate area and volume for 2D and 3D geometric shapes.

Type text and render it in large ASCII art block fonts.

Calculate and convert aspect ratios for images, videos, and responsive design.

Calculate astronomical distances, star magnitudes, and orbital periods.

Record audio from your microphone, trim, and download as WAV or WebM.

Visualize audio from your microphone or audio files with real-time waveform and frequency displays.

Convert between bandwidth units and calculate file transfer times.

Generate Code128, EAN-13, and UPC-A barcodes from text or numbers.

Convert data between Base64, Base32, Hex, Binary, and URL encoding.

Encode text to Base64 or decode Base64 strings back to plain text.

Perform binary arithmetic and bitwise operations: AND, OR, XOR, NOT, shift.

Learn binary numbers interactively with visual bit toggling and exercises.

Create catchy social media bios with templates for different platforms.

Calculate Body Mass Index from height and weight with health category display.

Estimate body fat percentage using the US Navy method and circumference measurements.

Visually design CSS border-radius values with individual corner control and live preview.

Design CSS box shadows visually with controls for offset, blur, spread, and color. Copy the CSS.

Tap spacebar or click to detect tempo and BPM of music.

Calculate break-even point for products and services with charts.

Guided breathing exercises with visual animations for relaxation and focus.

Generate creative business name ideas using keywords, styles, and industry.

Convert between bytes, KB, MB, GB, TB and their binary equivalents (KiB, MiB, GiB, TiB).

Calculate daily calorie needs based on age, weight, height, and activity level.

Analyze and validate canonical URLs to prevent duplicate content issues in SEO.

Decode and inspect PEM-encoded X.509 certificates, CSRs, and private keys.

Generate random RPG character stats with various rolling methods.

Create bar, line, pie, and donut charts from your data, download as PNG.

Balance chemical equations automatically with step-by-step solutions.

Toggle Unix file permission bits and get the numeric and symbolic chmod notation instantly.

Convert CIDR notation to full IP address range with host enumeration.

Generate citations in APA, MLA, Chicago, and Harvard formats.

Preview images through different types of color vision deficiency.

Check color contrast ratios for WCAG accessibility compliance.

Convert colors between HEX, RGB, and HSL formats with a live visual preview.

Create multi-stop color gradients with CSS output and visual editor.

Find the closest CSS named color for any HEX value.

Extract dominant colors from uploaded images and export as a color palette.

Generate harmonious color palettes with complementary, triadic, analogous, and split-complementary schemes.

Learn color theory with interactive color wheels, harmonies, and mixing.

Calculate compound interest with flexible compounding frequencies and visualize growth.

Calculate freelance/contract rates, project estimates, and payment schedules.

Build and validate CORS (Cross-Origin Resource Sharing) HTTP headers.

Set a countdown to any future date or event. See days, hours, minutes, and seconds remaining.

Build cron schedules visually with a human-readable preview. Supports standard 5-field cron syntax.

Evaluate Content-Security-Policy headers for security issues and best practices.

Build Content-Security-Policy headers with an interactive directive editor.

Create CSS keyframe animations with visual timeline, easing curves, and live preview.

Visual clip-path editor with polygon, circle, and ellipse shapes.

Interactively explore CSS Flexbox properties with a visual playground and generated code.

Build beautiful linear and radial CSS gradients with a visual picker. Copy the CSS code instantly.

Render CSS gradients as downloadable PNG images.

Visually build CSS Grid layouts with customizable rows, columns, and gap settings.

Minify CSS to reduce file size or beautify minified CSS for readability.

Analyze CSS selector specificity and rank by priority.

Create and layer multiple CSS text shadows with live preview and generated code.

Edit CSV data in a spreadsheet-like table with sort, filter, and export.

Convert cURL commands to JavaScript fetch, Python requests, PHP, and more.

Convert between world currencies with live-ish exchange rates.

Get daily positive affirmations with customizable categories and favorites.

Plan your day with time blocks, priorities, and a visual schedule.

Check your security posture with an interactive data breach response checklist.

Compare two datasets side by side and highlight differences.

Generate HTML/Markdown/CSV tables from structured data input.

Make better decisions with weighted pros/cons analysis and random picker.

Roll virtual dice with custom sides, multiple dice, modifiers, and roll history.

Check DNS propagation status across multiple global DNS servers.

Look up DNS records (A, AAAA, MX, CNAME, TXT, NS) for any domain.

Create drum beats with a step sequencer, multiple drum sounds, and pattern saving.

Apply Spotify-style duotone color effects to photos with custom color pairs.

Organize tasks using the Eisenhower Matrix: urgent/important prioritization grid.

Calculate electricity costs for appliances based on wattage, usage, and rates.

Parse and trace email headers to identify the delivery path and potential issues.

Search and copy emojis by name or category. Click to copy any emoji to your clipboard.

Encrypt and decrypt text using multiple algorithms: Caesar, Vigenere, ROT13, XOR, and AES-256.

Calculate social media engagement rates and benchmark against industry averages.

Parse, edit, and validate .env environment files with secret masking.

Balance and solve simple linear equations step by step.

Create countdowns to important events with shareable displays.

Track expenses by category with pie chart visualization. Filter by month and export data as CSV.

Generate realistic fake names, emails, addresses, UUIDs, and more for testing.

Generate random fantasy names for characters, places, and factions.

Generate favicons from text or emoji with customizable background color, size, and font.

Generate Fibonacci sequences and check if a number belongs to the sequence.

Bulk find and replace text with support for regular expressions and case-sensitive matching.

Create flashcard decks with spaced repetition and flip animations.

Advanced focus timer with work/break cycles, ambient sounds, and session tracking.

Add, subtract, multiply, and divide fractions with automatic simplification.

Customizable game timer with multiple player support and turn tracking.

Find the greatest common divisor (GCD) and least common multiple (LCM) of numbers.

Extract individual frames from animated GIF files.

Build complex git commands visually with explanations for each flag.

Create frosted glass UI effects with adjustable blur, transparency, and border settings.

Create glitch effects with RGB shift, scanlines, and pixel sorting.

Set, track, and visualize progress toward your goals with milestones.

Calculate weighted grades, GPA, and what you need on finals.

Create downloadable gradient images with custom sizes for wallpapers and banners.

Check text for common grammar, spelling, and punctuation errors.

Track daily habits with a 30-day calendar grid. View streaks, completion rates, and build consistency.

Calculate radioactive decay, remaining quantity, and elapsed time from half-life.

Convert images to newspaper-style halftone dot patterns.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.

Generate relevant hashtags for social media posts based on keywords and topics.

Score your headlines for word balance, length, sentiment, and readability to write better titles.

Calculate heart rate training zones for cardio, fat burn, and peak performance.

Convert between hexadecimal, decimal, octal, and binary number systems.

Generate HMAC signatures using SHA-256, SHA-384, and SHA-512.

Encode special characters to HTML entities or decode HTML entities back to text.

Visual table builder with HTML and Markdown export.

Paste HTML and get clean Markdown output. Handles headings, links, images, lists, bold, and italic.

Parse and analyze HTTP headers with explanations for each header field.

Browse and search all HTTP status codes with descriptions and usage examples.

Draw arrows, circles, rectangles, and text callouts on images.

Remove image backgrounds using chroma key color-based selection.

Apply full-image or selective blur and pixelation effects to images.

Add solid, dashed, or decorative borders and frames to images.

Adjust and swap RGB color channels independently.

Combine multiple images into customizable grid collage layouts.

Pick colors from any uploaded image and get HEX, RGB, and HSL values.

Select and replace specific color ranges in images.

Compare two images side by side with a draggable reveal slider.

Reduce image file size with adjustable quality and before/after size comparison.

Crop images with visual drag selection, aspect ratio presets, and free-form cropping.

Adjust brightness curves and levels like Photoshop.

Apply Floyd-Steinberg dithering and reduce images to limited color palettes.

Apply CSS filters like blur, brightness, contrast, grayscale, sepia, and more to images.

Convert images between PNG, JPG, and WEBP formats with quality control.

Split images into grid pieces for Instagram carousel posts or print layouts.

View image dimensions, file size, type, and embedded metadata from uploaded images.

Convert images to pixel art or mosaic style with adjustable block resolution.

Layer two images with blend modes like multiply, screen, overlay, and difference.

Apply skew, warp, and perspective correction to images.

Resize images by dimensions or percentage with aspect ratio lock and quality control.

Rotate images by 90°, 180°, or custom angle. Flip horizontally or vertically.

Add styled text anywhere on images with font, color, size, and position controls.

Convert images to ASCII character art with customizable character density and size.

Convert images to Base64 data URIs for embedding directly in HTML or CSS.

Convert images to base64-encoded data URIs for embedding directly in HTML or CSS.

Trace raster images into vector SVG paths.

Add vignette darkening to image edges with adjustable size and strength.

Add text watermarks to images with opacity, position, size, and tiling options.

Understand your internet speed metrics with bandwidth explanations and comparisons.

Create professional invoices with line items, tax, and discount calculations. Print or download as image.

Look up your public IP address with geolocation and network details.

Convert between IP ranges and CIDR notation, calculate host counts.

Expand compressed IPv6 addresses and compress expanded ones.

Prettify, minify, and validate JSON data with syntax highlighting and error detection.

Minify and compress JSON data, show size reduction statistics.

Paste JSON and click nodes to find JSONPath expressions.

Auto-generate JSON Schema from a JSON sample with type inference and validation rules.

Convert JSON arrays to CSV format and vice versa. Download as a .csv file.

Convert between JSON and YAML formats with syntax highlighting.

Build, encode, and decode JSON Web Tokens (JWT) with custom claims.

Decode and inspect JSON Web Tokens. View the header, payload, and expiration details.

Create kaleidoscope and symmetry art from images.

Drag-and-drop task board with columns and localStorage persistence.

Estimate network latency impact on throughput and calculate round-trip times.

Create a simple link-in-bio page with custom links, colors, and preview.

Calculate monthly loan payments, total interest, and view an amortization schedule.

Design custom logos with text, shapes, images, 36+ fonts, rotation, undo/redo, and export as PNG or SVG.

Create weighted random loot tables for game design and RPG encounters.

Generate placeholder lorem ipsum text by paragraphs, sentences, or words.

Generate placeholder image URLs with custom dimensions, blur, and grayscale options.

Look up the manufacturer/vendor of a network device from its MAC address.

Calculate daily macronutrient targets for protein, carbs, and fat.

Write or paste Markdown and instantly see the rendered HTML output with copy support.

Visually build markdown tables with customizable columns, rows, and alignment.

Convert Markdown to HTML with live preview and syntax highlighting.

Evaluate mathematical expressions with functions, constants, and operator precedence.

Perform matrix operations: add, multiply, transpose, determinant, and inverse.

Calculate the real cost of meetings based on attendees, salaries, and duration.

Create memes by adding customizable top and bottom text to uploaded images.

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Just fill in the form and copy the code.

Precise digital metronome with adjustable tempo, time signatures, and accent patterns.

Calculate molar mass of chemical compounds from their formula.

Convert text to Morse code and back, with audio playback of dots and dashes.

Encode text to Morse code and decode Morse code back to text with audio playback.

Calculate monthly mortgage payments, total interest, and see a payment breakdown summary.

Generate and study multiplication tables with interactive quiz mode.

Train your ear to recognize music intervals with an interactive audio quiz.

Browse and search common network ports with service names and descriptions.

Generate neumorphic (soft UI) design styles with customizable parameters.

Create noise, grain, paper, and fabric texture images as downloadable PNGs.

Convert numbers between binary, octal, decimal, and hexadecimal bases.

Identify arithmetic, geometric, and custom number sequences and predict next terms.

Create Open Graph and social media card images with title, description, and branding.

Preview how your page will look when shared on Facebook, Twitter/X, and LinkedIn.

Get sentence rewriting suggestions with synonym replacements and structural changes.

Generate strong, random passwords with configurable length, character types, and strength indicator.

Analyze password strength with entropy calculation, crack time estimates, and improvement tips.

Create tileable geometric patterns like stripes, dots, waves, and checkerboard.

Calculate percentages, percentage change, increase/decrease, and fraction to percent conversions.

Interactive periodic table of elements with detailed properties and search.

Calculate permutations (nPr), combinations (nCr), and factorials.

Analyze PGP/GPG public key blocks to extract key details and metadata.

Calculate pH, pOH, and hydrogen ion concentration for acid-base chemistry.

Convert photos to pencil sketch or cartoon style using edge detection.

Interactive physics formula reference with calculators for common equations.

Dimensional analysis tool to verify physics equations and convert compound units.

Play a virtual piano with keyboard mapping, recording, and playback.

Create pixel art with a grid-based editor, color palette, and export options.

Generate solid or gradient placeholder images with custom text and dimensions.

A simple focus timer using the Pomodoro technique. Work in focused intervals with short breaks.

Calculate estimated due date and pregnancy timeline from last menstrual period.

Check if numbers are prime, find prime factors, and generate primes in a range.

Generate a GDPR-compliant privacy policy from a simple form with customizable sections.

Calculate your online privacy score based on your security practices.

Calculate profit margins: gross, net, and markup percentages.

Create simple project timelines with tasks, dates, and Gantt-style visualization.

Generate QR codes from text, URLs, or any data. Download as PNG.

Solve quadratic equations (ax² + bx + c = 0) with step-by-step solutions.

Generate random numbers, dice rolls, coin flips, and lottery picks with constraints.

Randomly split players into balanced teams for games and sports.

Solve ratios and proportions, scale values, and simplify ratios.

Analyze text readability with Flesch-Kincaid, Gunning Fog, and other scores.

Paste an article or text to get word count, estimated reading time, and speaking time.

Scale recipe ingredients up or down for any serving size.

Learn regular expressions step by step with interactive exercises and explanations.

Test regular expressions against input text with real-time match highlighting and group capture display.

Deduplicate lines, sort alphabetically, remove empty lines, and trim whitespace from lists.

Build a robots.txt file with user-agent rules, allow/disallow paths, and sitemap references.

Calculate Return on Investment with break-even analysis and projection charts.

Convert between decimal numbers and Roman numerals instantly.

Encode or decode text with ROT13 or any Caesar cipher rotation (1-25 shifts).

Convert between hourly, daily, weekly, monthly, and annual salary with tax estimates.

Generate JSON-LD structured data markup for articles, products, FAQs, and more.

Full scientific calculator with trigonometry, logarithms, powers, memory, and calculation history.

Convert between standard numbers, scientific notation, and engineering notation.

Convert between scientific units: pressure, energy, force, temperature, and more.

Digital scoreboard for tracking scores in games, matches, and competitions.

Display viewport size, screen resolution, pixel ratio, user agent, and browser capabilities.

Record your screen or window with audio, preview, and download.

Add gradient backgrounds, padding, shadows, and rounded corners to screenshots.

Check if a website has essential security HTTP headers configured.

Validate XML sitemap syntax and check for common issues like missing tags or invalid URLs.

Calculate optimal bedtimes and wake times based on 90-minute sleep cycles.

Convert titles and text into clean, URL-friendly slugs for SEO-optimized URLs.

Resize and preview images for all social media platform dimensions.

Resize images for Instagram, Facebook, Twitter, LinkedIn, and YouTube with one click.

Plan and preview social media posts with a visual content calendar.

Analyze audio frequencies in real-time with spectrogram and peak detection.

Calculate speed, distance, or time — solve for any missing variable.

Combine multiple images into a sprite sheet with CSS output.

Prettify and indent SQL queries for better readability, or minify them into a single line.

Convert SQL CREATE TABLE statements to JSON Schema and vice versa.

Generate SSH key fingerprints and convert between SSH key formats.

Check SSL/TLS certificate details, expiration date, and security status.

Estimate startup costs across categories with a comprehensive checklist.

Calculate mean, median, mode, standard deviation, variance, range, and quartiles.

Create colorful sticky notes on a virtual board with drag, resize, and organize.

Calculate subnet details from IP address and CIDR notation or subnet mask.

Create and edit simple SVG graphics with shapes, paths, and text.

Paste SVG code and render to PNG at custom dimensions.

Estimate income tax with progressive brackets for multiple countries.

Convert text between UPPER, lower, Title, camelCase, snake_case, kebab-case, and more.

Compare two blocks of text side-by-side and see the differences highlighted.

Create text shortcuts that expand into full phrases, templates, or snippets.

Generate repeated text patterns, lorem ipsum alternatives, and placeholder text.

Repeat any text N times with optional separators like new lines, commas, or custom delimiters.

Reverse text by characters, words, or lines. Useful for puzzles, encoding, and testing.

Summarize long text by extracting key sentences based on word frequency scoring.

Convert text into ASCII art banners using various font styles. Great for README files and comments.

Read text aloud using the Web Speech API with voice, speed, and pitch controls.

Create circular or rounded avatar crops with zoom, position control, and size presets.

Apply fake miniature tilt-shift blur effect to photos.

Track time spent on tasks and projects with reports and visualizations.

Find the best meeting time across multiple time zones.

Convert between Unix timestamps and human-readable dates. See the current timestamp live.

Calculate tips and split bills among multiple people with customizable tip percentages.

Generate precise audio tones with waveform selection, frequency control, and sweep modes.

Generate Time-based One-Time Passwords (TOTP) for two-factor authentication testing.

Calculate trigonometric functions, inverse trig, and convert between degrees and radians.

Convert between TSV (tab-separated) and CSV (comma-separated) formats.

Break long text into tweet-sized chunks (280 chars) with automatic numbering for X/Twitter threads.

Compose and preview Twitter/X threads with character counting and numbering.

Test your typing speed in WPM with random passages and accuracy tracking.

Practice touch typing with lessons, custom text, and WPM tracking.

Browse and search Unicode characters with copy support.

Convert between common units: length, weight, temperature, data size, time, and CSS units (px/rem/em).

Encode or decode URL strings. Handles special characters, query parameters, and full URLs.

Break down URLs into their components: protocol, host, path, query parameters, and fragment.

Parse User-Agent strings to identify browser, OS, device type, and engine.

Build campaign URLs with UTM parameters for tracking in Google Analytics and other platforms.

Extract thumbnail frames from video files at any timestamp.

Calculate recommended daily water intake based on weight and activity.

Strip extra spaces, tabs, trailing whitespace, and blank lines from text.

Look up domain registration details including registrar, dates, and nameservers.

Generate QR codes for WiFi network credentials — scan to connect.

Count words, characters, sentences, and paragraphs in your text. Estimate reading time.

Advanced word counter with character limits, keyword density, and paragraph analysis.

Analyze text to find the most frequently used words with counts, percentages, and visual bars.

Test your knowledge of world capitals with an interactive quiz game.

Display current time across multiple timezones with search and comparison.

Beautify or minify XML with syntax highlighting.

Convert between XML and JSON formats with proper structure mapping.

Format, validate, and minify YAML with syntax highlighting.