Free utility tools — unit converters, QR code generator, color picker, and everyday essentials for quick tasks online.
Everyday utility tools — random generators, unit converters, CSV tools, timers, and fun games. All processing happens locally in your browser. Generate a strong password, convert kilograms to pounds, pick a random team, or analyze a CSV file without uploading anything.
Generates cryptographically secure random integers or decimals within a user-defined min-max range with optional repetition filtering. Everything runs locally in your browser — nothing is uploaded.
Generates cryptographically strong random passwords with fully customizable length, character sets, and pattern rules. Everything runs locally in your browser — nothing is uploaded.
Renders a scannable QR code from any text or URL using a client-side Reed-Solomon encoder. Download as PNG.
Generates scannable barcodes in major symbologies including EAN-13, Code 128, QR Code, and UPC-A from typed input or pasted data. Everything runs locally in your browser — nothing is uploaded.
Displays an animated spinning wheel that randomly selects one entry from a customizable list of names or options. Everything runs locally in your browser — nothing is uploaded.
Simple increment/decrement counter with a reset option. Track anything from reps to inventory counts. Everything runs locally in your browser — nothing is uploaded.
Randomly shuffle any list of items. Enter each item on a new line and see them randomized instantly. Everything runs locally in your browser — nothing is uploaded.
Sort lists alphabetically (A-Z or Z-A) or by length. Great for organizing data and cleaning up unordered lists. Everything runs locally in your browser — nothing is uploaded.
Make decisions with a fun animated spinner that cycles through Yes, No, Maybe, and other responses. Perfect for quick decisions. Everything runs locally in your browser — nothing is uploaded.
Simulates a fair coin flip using a cryptographic random number generator, displaying heads or tails with a realistic animation. Everything runs locally in your browser — nothing is uploaded.
Simulates rolling any number of dice with arbitrary side counts—d4, d6, d8, d10, d12, d20, d100, or custom values. Everything runs locally in your browser — nothing is uploaded.
Generate time-ordered ULID identifiers with Crockford base32 encoding. Everything runs locally in your browser — nothing is uploaded.
Generate random colors in Hex, RGB, or HSL format with visual preview swatches. Perfect for design palettes and testing. Everything runs locally in your browser — nothing is uploaded.
Generate random dates within a configurable range with optional format selection including ISO, US, EU, and full-date styles. Everything runs locally in your browser — nothing is uploaded.
Split a list of names into random teams with configurable number of teams. Perfect for classroom activities, sports, and group projects. Everything runs locally in your browser — nothing is uploaded.
Generate cryptographically secure random strings with customizable length, count, and character sets (uppercase, lowercase, digits, symbols).
Generate random words from a curated vocabulary list for brainstorming, naming, and word games. Everything runs locally in your browser — nothing is uploaded.
Generate number sequences in arithmetic, geometric, or custom progression. Configure start value, difference/ratio, and count. Everything runs locally in your browser — nothing is uploaded.
Convert text to ASCII art with multiple font styles.
Generate large ASCII text banners with multiple font styles — perfect for terminal headers and text art.
Randomly pick one or more items from a list with optional repeat control. Perfect for giveaways, raffles, and random selection. Everything runs locally in your browser — nothing is uploaded.
Generate creative usernames from configurable patterns including adjective+noun, noun+number, and word-word combinations. Everything runs locally in your browser — nothing is uploaded.
Generate random nicknames by combining adjectives and creative name parts. Perfect for gaming, social media, and creative projects. Everything runs locally in your browser — nothing is uploaded.
Browse 400+ emojis organized by category with search and copy.
Generates time-based one-time passwords (TOTP) and numeric/alphanumeric OTPs with customizable length and character sets. Everything runs locally in your browser — nothing is uploaded.
Generate random times in 12-hour or 24-hour format with optional seconds and configurable time range. Everything runs locally in your browser — nothing is uploaded.
Generate random sentences from a curated word list, useful for placeholder text and content generation. Everything runs locally in your browser — nothing is uploaded.
Processes a CSV file containing multiple data entries and generates a corresponding QR code image for each row, delivered as a ZIP archive. Everything runs locally in your browser — nothing is uploaded.
Configurable countdown timer with hours, minutes, and seconds input. Features start, pause, and reset controls with visual progress bar. Everything runs locally in your browser — nothing is uploaded.
Precision stopwatch with start, stop, lap recording, and reset functionality. Lap times are displayed in a table for easy comparison. Everything runs locally in your browser — nothing is uploaded.
Countdown to a specific date and time with live days, hours, minutes, and seconds display. Perfect for event countdowns and deadlines. Everything runs locally in your browser — nothing is uploaded.
Repeating interval timer for workouts and training. Configure sets, work period, and rest period with automatic cycling. Everything runs locally in your browser — nothing is uploaded.
Tabata interval timer with 20 seconds work and 10 seconds rest per round. Features a 3-second preparation countdown and configurable rounds. Everything runs locally in your browser — nothing is uploaded.
Display multiple timezone clocks simultaneously. Add and remove cities from a curated list of major world timezones. Everything runs locally in your browser — nothing is uploaded.
Guess the random number between 1 and 100. Get hints if your guess is too high or too low. Everything runs locally in your browser — nothing is uploaded.
Play rock paper scissors against the computer. Keep track of wins, losses, and ties. Everything runs locally in your browser — nothing is uploaded.
Classic hangman word guessing game. Choose letters to reveal the hidden word before the hangman is complete. Everything runs locally in your browser — nothing is uploaded.
View Unicode code points, HTML entities, and percent-encoding for any text. Character-by-character breakdown with U+XXXX codes and HTML entity references.
Convert any number to its English word representation. Supports large numbers up to billions. Everything runs locally in your browser — nothing is uploaded.
Convert text to URL-friendly slugs with configurable separators. Everything runs locally in your browser — nothing is uploaded.
Convert words to numeronyms (a11y-style) and acronyms. Everything runs locally in your browser — nothing is uploaded.
Convert speed between km/h, mph, knots, m/s, and ft/s. Instant conversion for travel and scientific use. Everything runs locally in your browser — nothing is uploaded.
Convert weight between kg, g, lb, oz, and stone. Supports both metric and imperial systems. Everything runs locally in your browser — nothing is uploaded.
Convert data sizes between bytes, KB, MB, GB, TB, and PB. Understand disk space and file sizes in different units. Everything runs locally in your browser — nothing is uploaded.
Convert cooking measurements between teaspoons, tablespoons, fluid ounces, cups, pints, quarts, gallons, milliliters, and liters. Includes tsp and tbsp not found in the volume converter.
Convert fuel economy between L/100km, MPG (US), MPG (UK), and km/L. Essential for comparing vehicle efficiency across metric and imperial systems.
Convert clothing sizes between US/Canada, UK, EU, Japan, and France sizing systems. Supports women's apparel size conversions with international standards.
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Everything runs locally in your browser — nothing is uploaded.
Convert temperatures between Celsius, Fahrenheit, and Kelvin scales instantly. Everything runs locally in your browser — nothing is uploaded.
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats.
Convert between hundreds of units — length, mass, volume, temperature, area, speed, time, digital data, and more with a single click.
Convert between kW, hp, bhp, W, MW, and BTU/hr.
Convert between kPa, psi, bar, atm, Torr, and mbar. Everything runs locally in your browser — nothing is uploaded.
Convert length and distance between km, miles, meters, yards, feet, and inches. Simple and intuitive. Everything runs locally in your browser — nothing is uploaded.
Convert volume between liters, mL, gallons, quarts, fl oz, and cups. Handy for cooking, science, and travel. Everything runs locally in your browser — nothing is uploaded.
Convert area between square meters, square feet, acres, hectares, and square kilometers. Everything runs locally in your browser — nothing is uploaded.
Compare and convert between A0, A1, A4, Letter, and Legal paper sizes. Understand how many sheets of one size fit into another.
Convert inner diameter in millimeters to US ring sizes.
Convert between US, UK, European, and Asian shoe size systems instantly. Includes men's, women's, and children's size charts.
Convert time between different time zones. Enter a time and your source/target time zones and see the converted result. Everything runs locally in your browser — nothing is uploaded.
Extract specific columns from CSV data by header name. Select the columns you need and get a clean CSV with only your chosen fields.
Remove duplicate rows from CSV data based on a specific column. Keep only unique values for cleaner datasets.
Replace empty, null, or NA values in CSV data with a custom fill value. Clean your datasets for analysis and migration.
Sort CSV rows by any column in ascending or descending order. Quickly organize your data for analysis and reporting.
Generate realistic dummy data as CSV rows or JSON objects. Configure count (1-50) for test data, demos, and prototyping.
Sort lines alphabetically (A→Z, Z→A), reverse order, shuffle randomly, or remove duplicate lines.
Convert lists between delimiters: comma, newline, pipe, tab, semicolon, and space. Auto-detects input format and supports trim, sort, and deduplicate.
Rename CSV column headers in bulk using old:new mapping. Quickly relabel columns for data standardization and reporting.
Validate CSV formatting — detect inconsistent column counts, quoting errors, and malformed rows. Get detailed issue reports.
Generate pivot tables from CSV data by specifying group and value columns. Transform long-format data into summary tables. Everything runs locally in your browser — nothing is uploaded.
Filter CSV rows by column value matching. Includes exact match, contains, and not-equal operators for flexible data selection.
Merge two CSV files on a common column. Join datasets horizontally by matching key values, like a SQL JOIN for your spreadsheets.
Split a large CSV file into multiple smaller files by page count. Divide datasets into manageable chunks for processing.
Analyze CSV structure — column types, counts, unique values, and empty cells.
Measures your internet connection’s download speed and latency by downloading a test file from a CDN. Upload speed is not currently measured.
Measure browser CPU performance with synthetic benchmarks: integer math, floating point, array sorting, string ops, and mixed workloads.
Takes any long URL and generates a compact, shareable short link with optional custom alias support. Uses cloud-based processing.
Shorten hundreds of URLs in one batch. Paste a list or upload a CSV — get shortened links with copy-all and CSV export. Uses cloud-based processing.
Provides a structured, form-based interface for entering work history, education, and skills, then renders a professionally formatted PDF resume. Everything runs locally in your browser — nothing is uploaded.
View the contents and file sizes inside a ZIP archive without extracting.
Generate .ics calendar files for any event. Set summary, dates, times, description, and location — download or copy ready-to-import iCal (RFC 5545) format.
Generates wa.me click-to-chat links, WhatsApp group invite links, QR codes for quick connections, and includes a chat analyzer and status text. Everything runs locally in your browser — nothing is uploaded.
Parses uploaded bank statement PDFs or CSV exports and categorizes transactions into income, expense, and transfer categories with visual spending. No signup or account required.