Tools — Free, Instant, Browser-Based

Create QR codes for URLs, plain text, email addresses, phone numbers, WiFi networks, and vCard contacts. Customize colors and size, download as PNG.

Generate Code 128, EAN-13, UPC-A, EAN-8, Code 39, and ITF-14 barcodes. Customize bar color, background, width, and height. Download as PNG or SVG.

Generate cryptographically secure passwords. Control length, character sets, exclude ambiguous characters, and bulk-generate up to 50 passwords at once.

Pick any color visually or enter HEX, RGB, or HSL values. Instantly converts to HEX, RGB, HSL, HSB, CMYK, and CSS variable format. Includes WCAG contrast checker.

Paste any text and get instant word count, character count, sentence count, paragraphs, reading time, speaking time, and a top-word frequency table.

Paste raw JSON to prettify, minify, or validate it. Shows clear error messages with descriptions. Supports 2-space, 4-space, and tab indentation. Nothing leaves your browser.

Calculate semester GPA from course grades and credit hours. Supports standard 4.0 and plus/minus 4.3 scales. Add prior GPA to get your cumulative GPA.

Find your current weighted grade from assignment categories, or calculate exactly what score you need on your final exam to hit your target grade.

Calculate how long a file will take to download at your connection speed, or find the required speed to download a file in a given time. Supports Kbps, Mbps, Gbps.

Convert between bytes, KB, MB, GB, TB, and PB instantly. Shows all units simultaneously. Supports both decimal (SI) and binary (IEC) standards side by side.

Find the time between two clock times, add or subtract multiple durations, or convert a total in seconds into days, hours, minutes, and seconds.

Weekly timesheet calculator. Enter daily clock-in and clock-out times to get total hours worked, overtime, and gross pay at your hourly rate.

Generate a single random number, a list of unique numbers, roll any dice (d4–d100), or flip a coin. Uses cryptographically secure randomness.

Calculate single-event probability, combined probability for two events, combinations (nCr), permutations (nPr), and binomial distribution with step-by-step formulas.

Randomly shuffle all 19 terrain tiles and 18 number tokens for a unique Settlers of Catan setup. Balanced mode keeps 6 and 8 tokens off adjacent hexes. Pip counts shown for every token.

Convert Word documents (.docx) to PDF entirely in your browser. Your file never leaves your device — nothing is uploaded to any server. Preserves headings, bold, italic, lists, tables, and links.

Virtual spinning wheel for random name and decision picking. Add your own names or options, hit spin, and get a fair result. Remove the winner and spin again. Includes quick presets like Yes/No, Weekdays, and Teams.

Pick a random name from your list instantly. Add names, hit pick, and get a fair result. Remove the winner and keep picking. Perfect for classrooms, giveaways, and team selection.

Randomly split a list of names into balanced teams. Choose 2–6 teams, shuffle again instantly, rename teams, and copy results. Great for sports, classrooms, and group activities.

Spin a decision wheel for a random yes or no answer. Includes Yes/No, Yes/No/Maybe, and a 5-option mode. Tracks your stats and celebrates with confetti on yes.

Pick random winners for your giveaway fairly and dramatically. Supports multiple winners, duplicate entries, and a slot-machine reveal. Uses crypto randomness for true fairness.

Generate random challenges across 8 categories — fitness, creative, mental, food, outdoor, gaming, learning, and social. Save challenges and mark them complete.