Free utility tools — unit converters, QR code generator, color picker, and everyday essentials for quick tasks online.
83 everyday utility tools — password and random generators, unit converters, CSV cleaners, timers, resume builder, QR codes, and more. Generate a strong password, convert kilograms to pounds, or analyze a CSV: all processing happens locally in your browser with nothing uploaded.
Generates random integers within a user-defined min-max range with optional unique and sorted output. Uses the browser random number generator — fine for games, raffles, and sampling, not for security secrets. Input never leaves your device — everything runs locally in your browser.
Generates cryptographically strong random passwords with fully customizable length and character sets, plus memorable passphrases. Input never leaves your device — everything runs locally in your browser.
Renders a scannable QR code from any text or URL with a client-side Reed-Solomon encoder at fixed high error correction. Customize size, colors, and center logo, then download the PNG — free, local, no signup.
Generates real scannable barcodes in UPC-A, EAN-13, Code 128, and Code 39 — JsBarcode encoders with guard patterns, checksums, and start/stop codes, rendered to SVG. Input never leaves your device — everything runs locally in your browser.
Spin a colorful prize wheel with your names — giveaways, classrooms, team picks. Draw winners live with drama — free, local, no signup.
Simple tap counter with increment, decrement, and reset — reps, inventory, headcounts. Count 200 items without losing place — free, local, no signup.
Shuffle lists randomly — giveaway winners, team orders, presentation sequences. Pick fairly in one click — free, local, no signup.
Sort any list A–Z, Z–A, or by length with one click — ballots, rosters, data cleanup. Order 300 names for roll call instantly — free, local, no signup.
Make random calls between options with animated draws and history. End debates with a fair draw — free, local, no signup.
Flip a virtual coin with heads/tails totals for instant decisions. Settle it fairly in one tap — free, local, no signup.
Roll dice — d4 through d20 with up to 5 dice — for games and decisions. Totals summed live — free, local, no signup.
Generate time-ordered ULID identifiers with Crockford base32 encoding. Input never leaves your device — everything runs locally in your browser.
Generate random hex, RGB, and HSL colors for palettes and placeholders. Find happy accidents fast — free, local, no signup.
Generate random dates from the past five years with ISO and long-form outputs. Input never leaves your device — everything runs locally in your browser.
Split names into fair random teams in seconds. Divide 20 players evenly — free, local, no signup.
Generate random strings in alphanumeric, alphabetic, numeric, hex, or UUID formats. Mint references and IDs fast — free, local, no signup.
Generate random placeholder words with optional capitalization for games and naming. Find startup names that aren't taken — free, local, no signup.
Generate arithmetic, geometric, and custom number sequences with sums. Fill spreadsheets and test series — free, local, no signup.
Convert text to ASCII art with multiple font styles — download or copy the result for READMEs, code comments, and banners.
Generate ASCII-art text banners and figlet fonts for READMEs and terminals. Make headers that pop in plain text — free, local, no signup.
Use the Picker to draw random winners from lists, with optional no-repeat draws. Settle raffles in one click — free, local, no signup.
Generate available-style usernames with adjectives, nouns, and numbers. Find handles that stick — free, local, no signup.
Generate fun nicknames from five patterns — gamer tags, fantasy, sci-fi, cute, and professional. Find a tag that sticks — free, local, no signup.
Pick emoji by keyword across 9 categories — copy anywhere. Find the exact reaction fast — free, local, no signup.
Generate OTP codes — numeric, alphabetic, or hex — in batches of your chosen length. Make verification codes fast — free, local, no signup.
Generate random times with 24-hour and 12-hour outputs. Schedule surprise drills and test fixtures — free, local, no signup.
Generate random sentences for writing prompts, test data, and brainstorming. Break writer's block in one click — free, local, no signup.
Turn a CSV of URLs or text into styled QR PNGs in one batch — event badges, inventory labels, menus. Free tier generates 5 QR a day; Pro runs up to 100 per batch — local qrcode work.
Configurable countdown timer with hours, minutes, and seconds input. Features start, pause, and reset controls with visual progress bar. Input never leaves your device — everything runs locally in your browser.
Precision stopwatch with start, stop, lap recording, and reset functionality. Lap times are displayed in a table for easy comparison. Input never leaves your device — everything runs locally in your browser.
Countdown to a specific date and time with live days, hours, minutes, and seconds display. Perfect for event countdowns and deadlines. Input never leaves your device — everything runs locally in your browser.
Repeating interval timer for workouts and training. Configure sets, work period, and rest period with automatic cycling. Input never leaves your device — everything runs locally in your browser.
Tabata interval timer with 20 seconds work and 10 seconds rest per round. Features a 3-second preparation countdown and configurable rounds. Input never leaves your device — everything runs locally in your browser.
See live times across world time zones with DST handling — schedule global meetings right. Know Tokyo time before calling — free, local, no signup.
Guess the number 1–100 with hotter/colder hints and attempt tracking. Five tries is sharp play — free, local, no signup, learn binary search by feel.
Play rock-paper-scissors against the computer with win/loss/tie scoreboard. Settle any debate in three throws — free, local, no signup.
Play hangman with categories and difficulty levels — guess letters before parts run out. Six wrong guesses and it's over — free, local, no signup.
Inspect any character's Unicode code points, HTML entities, and percent-encoded bytes. Debug invisible text issues precisely — local inspection, free, no signup.
Write any number out in English words up to billions — checks, legal documents, invoices. Render 1,250,000 for a contract line — free, local, no signup.
Slugify text to URL-friendly slugs with lowercase and trim options. Input never leaves your device — everything runs locally in your browser.
Convert words to numeronyms (a11y-style) and acronyms. Input never leaves your device — everything runs locally in your browser.
Convert speeds between km/h, mph, m/s, and knots instantly. Translate a 100 mph speed for any audience — free, local, no signup.
Convert weight between kg, g, lb, oz, and stone. Supports both metric and imperial systems. Input never leaves your device — everything runs locally in your browser.
Convert data sizes between bytes, KB, MB, GB, TB, and PB. Understand disk space and file sizes in different units. Input never leaves your device — everything runs locally in your browser.
Convert cooking measurements: cups, grams, ounces, and milliliters for any ingredient — bake American recipes anywhere. Translate 1 cup flour to 120g exactly — free, local, no signup.
Convert MPG, L/100km, and km/L to compare fuel consumption across systems. Translate 30 MPG for European buyers — free, local, no signup.
Convert clothing sizes across US, UK, EU, and Asian systems for tops, shoes, and rings. Order a EU 42 as US 9 confidently — free, local, no signup.
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Input never leaves your device — everything runs locally in your browser.
Convert Celsius, Fahrenheit, and Kelvin temperature units instantly with formula shown. Translate 350°F for any recipe — free, local, no signup.
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats. Milliseconds, seconds, and ISO 8601 convert both directions with timezone clarity — local math, free, no signup.
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 — engine specs, solar sizing, and HVAC math in one place. Size solar arrays and compare engine outputs correctly — free, local, no signup.
Convert between kPa, psi, bar, atm, Torr, and mbar. Input never leaves your device — everything runs locally in your browser.
Convert length and distance between km, miles, meters, yards, feet, and inches. Simple and intuitive. Input never leaves your device — everything runs locally in your browser.
Convert volume between liters, mL, gallons, quarts, fl oz, and cups. Handy for cooking, science, and travel. Input never leaves your device — everything runs locally in your browser.
Convert area between square meters, square feet, acres, hectares, and square kilometers. Input never leaves your device — everything runs locally in your browser.
Convert paper sizes — A4, Letter, Legal — with millimeter and inch dimensions. Fit US Letter content onto A4 correctly — free, local, no signup.
Convert ring sizes across US, UK, EU, and Japanese standards with millimeter diameters. Buy a size 7 as EU 54 correctly — free, local, no signup.
Convert shoe sizes across US, UK, EU, and CM Mondopoint with foot-length mapping. Translate EU 42 to US 9 accurately — free, local, no signup.
Shift a wall-clock time from one IANA timezone to another — DST handled via real zone offsets, with day-shift flags when the date rolls over. Free, local, no signup.
Extract CSV columns by name into clean lists. Pull email and name columns from pasted CSV in seconds — local parsing, free, no signup.
Remove duplicate rows from CSV data based on a specific column. Keep only unique values for cleaner datasets — local processing, free, no signup.
Fill null (empty) cells in CSV data with a custom fill value. Clean datasets for analysis and migration — local processing, free, no signup.
Sort CSV rows by any column ascending or descending — numbers by value, text alphabetically. Order sales rows in seconds — local parsing, free, no signup.
Generate random CSV rows or JSON lines for fixtures and tests — pick a format and row count. Seed mock data fast — local generation, free, no signup.
Sort lines alphabetically (A→Z, Z→A), reverse order, shuffle randomly, or remove duplicate lines. A–Z, Z–A, reverse, shuffle, and dedupe modes cover every ordering chore — local processing, free, no signup.
Convert lists between comma, newline, pipe, tab, semicolon, and space delimiters. Move data across tools without reformatting — free, local, no signup.
Rename CSV headers in bulk with old:new mapping — standardize client exports fast. Fix 40 messy columns before import — local parsing, free, no signup.
Validate CSV structure — flag rows with wrong column counts and empty cells before import. Catch bad rows locally — free, no signup.
Pivot CSV rows into summary tables — group, count, and sum without spreadsheets. Summarize 10k sales rows by region instantly — local pivoting, free, no signup.
Filter CSV rows by column value with case-insensitive contains matching. Keep only the rows you need — local, free, no signup.
Merge two CSV files on a shared key column — join related exports into one sheet. Combine two tables without spreadsheets — local merging, free, no signup.
Split CSV data into equal parts with headers in every chunk. Break large pastes into smaller pieces — local splitting, free, no signup.
Analyze CSV structure — column types, counts, unique values, and empty cells. Spot malformed rows and mixed types before import.
Measures your internet connection’s download speed and latency by downloading a test file from a CDN. Upload speed is not currently measured.
Run JavaScript speed benchmarks across five workloads with ops/sec scores. Prove which device runs faster — local measurement, free, no signup.
Takes any long URL and generates a compact, shareable short link. Uses cloud-based processing. Short links resolve through managed providers with automatic failover — free, paced ~10 links/min per address.
Shorten hundreds of URLs in one batch with automatic provider failover — paste a list, get clean links for campaigns and bios. Marketers prep 200 UTM links before launch — managed shortening (~10/min pace), sign in free.
Provides a structured, form-based interface for entering work history and education, then prints a cleanly formatted resume via the print dialog (save as PDF) with plain-text export. Input never leaves your device — everything runs locally in your browser.
Peek inside any ZIP — list contents with sizes before extracting anything. Verify a 500 MB download's contents first — local fflate parsing, free, no signup.
Build .ics calendar event files with summary, dates, location, and description — import anywhere. Send invites that land in every calendar app — free, local download.
Generates wa.me click-to-chat links, WhatsApp group invite links, QR codes for quick connections, and includes a chat analyzer and status text. Input never leaves your device — everything runs locally in your browser.
Upload bank statement PDFs or CSVs and get income, expense, and transfer categories with visual spending breakdowns. Budgeters spot where Rs.18,000 leaks monthly — analysis is free and unlimited, exports count as Pro downloads.
Works offline after first load · Pro unlocks 500-file batches and 2GB files
At least 16 random characters mixing upper/lowercase, digits, and symbols — roughly 95 bits of entropy, uncrackable by brute force. The generator uses your browser's cryptographic randomness, never a predictable pattern.
Medium (M) for clean screen display, High (H) for printed codes that may get dirty or partially covered — H survives up to 30% damage. Higher levels make denser, harder-to-scan codes.
Trim whitespace, normalize delimiters, drop empty rows, and fix inconsistent quoting in one pass — then preview the table before downloading the cleaned file.
Most do. Password generation, unit conversion, timers, and QR codes run entirely in-page — once loaded, they keep working with no connection.