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77 tools availableJSON Formatter & ValidatorHot
Clean, format, validate, and minify JSON with real-time error checking.
UUID Generator
Generate bulk cryptographically secure RFC4122 Version 4 UUIDs.
URL Encoder / Decoder
Encode or decode URLs to ensure safe transmission of query strings.
Base64 Encoder / DecoderHot
Convert text or files to Base64 format and vice versa instantly.
Case Converter
Convert text between upper case, lower case, snake_case, camelCase, PascalCase, and more.
MD5 & SHA Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes using browser-native Web Crypto API.
Markdown Live PreviewerNew
Write Markdown in a rich editor and preview HTML rendered in real-time within a secure sandbox.
Password GeneratorHot
Generate highly secure, customizable, cryptographically strong passwords with strength meters.
JWT Decoder & DebuggerNew
Decode and debug JSON Web Tokens (JWT) client-side to inspect headers, payloads, and claims.
Color Picker & Palette
Select, convert, and design color palettes. Includes WCAG contrast ratio analysis for accessibility.
Unit Converter
Convert values between various standard units of length, weight, temperature, and bytes.
QR Generator & ScannerHot
Generate custom QR codes instantly and scan them using your camera feed or local image uploads.
RegEx Match Tester
Write and test Regular Expressions with visual group highlights and matching flags in real-time.
Text Diff Checker
Compare two text blocks side-by-side to highlight insertions, deletions, and differences.
Image Compressor & ConverterNew
Compress and resize JPEG, PNG, and WEBP files client-side. Adjust size multipliers and quality variables dynamically.
SVG to PNG ConverterNew
Convert SVG vector tags or local files to PNG format. Configure resolution scale multipliers (up to 4x) for ultra-sharp downloads.
EXIF Data Viewer & StripperNew
Extract hidden metadata (location, camera model, date) from images or completely strip it for privacy before sharing.
Favicon & App Icon GeneratorNew
Upload a logo to automatically generate a downloadable ZIP containing .ico files and Apple/Android touch icons in all required dimensions.
Color Palette ExtractorNew
Upload any image to automatically extract its dominant colors and generate a cohesive HEX/RGB color palette using canvas processing.
Image Cropper & FlipperNew
A client-side canvas tool to crop images to specific aspect ratios (16:9, 1:1, 4:3) and flip or mirror them horizontally/vertically.
CSS Gradient GeneratorNew
Visually compile beautiful linear and radial gradients. Adjust intermediate stops, angles, and export clean CSS/Tailwind codes.
JSON Converter (YAML/CSV)New
Convert JSON inputs to YAML schemas or tabular CSV values client-side in real-time.
Epoch Timestamp ConverterNew
Convert Unix Epoch timestamps to local/UTC times and vice-versa. Features a live counting ticker clock.
HTML Formatter & MinifierNew
Beautify messy HTML/XML strings with custom indentation or minify them for production.
Device & Browser InspectorNew
Inspect user agent headers, screen resolutions, hardware logical CPU cores, memory limits, and WebGL GPU details.
URL Parser & Query BuilderNew
Parse raw URLs into segments and query params. Edit, delete, and add new keys dynamically to compile URLs.
Tone & Frequency GeneratorNew
Play customizable waves (sine, square, triangle, sawtooth) at specific Hz frequencies using browser Web Audio oscillators.
BPM Tap Tempo FinderNew
Measure music tempo (BPM) by clicking or pressing space on beat. Calculates average beat intervals and tempo classifications.
XML to JSON / JSON to XMLNew
Seamlessly translate deeply nested XML feeds into JSON objects and vice versa without losing data structures.
Hex to ASCII ConverterNew
Convert hexadecimal byte arrays into readable ASCII strings (and back), which is crucial for IoT and serial data debugging.
Color Format ConverterNew
Convert color codes simultaneously and bidirectionally across HEX, RGB, HSL, HSV, and CMYK formats.
YAML to TOML ConverterNew
Translate configuration files between YAML and TOML formats for modern backend and framework setups.
Number Base ConverterNew
Convert numbers simultaneously across Decimal, Binary, Octal, and Hexadecimal bases, or parse custom bases up to Base 36.
Age CalculatorNew
Calculate your exact age in years, months, and days, next birthday countdown, and total lifetime counters.
EMI / Loan CalculatorNew
Calculate monthly loan EMI repayments, total interest payable, and final principal breakdown graphics.
CGPA / GPA CalculatorNew
Calculate GPA and CGPA metrics dynamically by adding course credits and grades row values.
Percentage CalculatorNew
Solve common percentage queries, discounts, taxes, and percentage increases/decreases instantly.
Date & Time DifferenceNew
Calculate the exact duration, days, hours, and seconds between two distinct dates and times.
Resistor Color Code CalculatorNew
Decode electronic resistance values and tolerance margins from 4-band or 5-band color rings.
Voltage Divider CalculatorNew
Calculate output voltage from a resistor voltage divider network with interactive vector schemas.
Ohm's Law CalculatorNew
Calculate Voltage, Current, Resistance, and Power parameters dynamically client-side.
555 Timer CalculatorNew
Calculate oscillator frequencies, duty cycles, and high/low time periods for Astable/Monostable modes.
Capacitor Code CalculatorNew
Decode standard 3-digit EIA codes (e.g., "104") into Picofarad, Nanofarad, and Microfarad values including tolerance.
LED Series Resistor CalculatorNew
Calculate the exact resistor value and minimum wattage rating needed for LEDs based on supply voltage and forward voltage.
RC Filter CalculatorNew
Calculate the cut-off frequency of passive Low-Pass and High-Pass RC (Resistor-Capacitor) circuits.
Wheatstone Bridge CalculatorNew
Solve for unknown resistance (Rx) or calculate the output voltage in a standard Wheatstone bridge circuit.
Merge PDF DocumentsNew
Combine multiple PDF files into a single, merged document client-side.
Split PDF PagesNew
Extract page ranges or split single documents into individual PDF files.
PDF to Image ConverterNew
Render and extract pages from a PDF document to download as PNG or JPEG images.
Add PDF WatermarkNew
Apply custom text watermarks to all pages of a PDF document with rotation and opacity controls.
PDF Metadata EditorNew
View and dynamically modify hidden PDF attributes like Author, Title, Subject, and Keywords using pdf-lib.js.
PDF Password ProtectorNew
Secure sensitive PDF documents by applying AES encryption and setting user/owner passwords entirely within the browser.
PDF Page Rotator & ReorderNew
Visually drag and drop PDF page thumbnails to reorder them, or rotate pages that were scanned upside down.
PDF to Text ExtractorNew
Extract raw, unformatted text blocks from PDF documents for easy copying, editing, and searching.
Meta Tag GeneratorNew
Generate SEO-friendly title, description, keywords, Open Graph, and robots meta tags.
Keyword Density CheckerNew
Analyze article text to determine word count, unique words, and density percentages of terms.
Robots.txt GeneratorNew
Create crawler configuration robots.txt files for search engines with custom disallow directories.
XML Sitemap GeneratorNew
Compile valid sitemap.xml markup listings from url lists with customizable priorities.
Social Media Caption FormatterNew
Format captions with clean spacing and line breaks for Instagram and Facebook posts.
UTM Link GeneratorNew
Build Google Analytics marketing tracking links with campaign source, medium, and name UTM params.
Pomodoro Productivity TimerNew
Track work sessions and break intervals with customizable Pomodoro timers, progress, and sounds.
Wheel of Fortune (Random Picker)New
Spin a visual canvas wheel of fortune partitions to randomly pick winners from custom items lists.
World Clock & Meeting PlannerNew
Compare multiple timezones side-by-side to find the perfect overlapping meeting times with color coded working hour bounds.
Cron Job Expression GeneratorNew
Visually build and decode complex Cron schedules for Linux servers and automated tasks with human-readable explanations.
NTP to RTC Array ConverterNew
Convert Unix epoch timestamps or current browser times into BCD C++ byte arrays for initializing hardware RTC modules.
Custom Countdown TimerNew
Create shareable, visual countdowns for specific future events, milestones, or deadlines.
Stopwatch & Lap TrackerNew
A precision stopwatch utilizing requestAnimationFrame for accurate millisecond lap tracking and split metrics.
JSON to TypeScript InterfaceNew
Instantly generate clean TypeScript interfaces or type declarations from JSON responses.
C++ / PlatformIO Boilerplate GeneratorNew
Generate modular .h and .cpp class structures for microcontroller and embedded systems projects.
Docker Run to Compose ConverterNew
Convert standard docker run CLI commands into formatted and clean docker-compose.yml files.
Battery Life & Runtime EstimatorNew
Calculate battery runtimes based on active/sleep duty currents and plot performance factors.
Logic Gate SimulatorNew
Toggle inputs to simulate basic AND/OR/NAND digital logic gates and generate truth tables.
Lorem Ipsum GeneratorNew
Generate customizable paragraphs, lists, or word counts of placeholder dummy text.
CSS Box Shadow GeneratorNew
Visually adjust offsets, blur, spread, colors, and opacity to compile raw CSS and Tailwind classes.
Neumorphism UI GeneratorNew
Create soft extruded neumorphic elements by shifting light sources, card radii, and depths.
Glassmorphism CSS GeneratorNew
Adjust blur, transparency, and background colors to generate frosted glass CSS effects.
SVG Path Viewer & OptimizerNew
Paste raw SVG XML codes to visually render vectors and strip metadata comments and spaces.