Discovery
Mini tools that stay in your browser
Explore small utilities built for privacy-first tasks. Search instantly, browse by category, and keep sensitive input on-device.
All tools
Password Generator
Generate strong random passwords instantly. 100% client-side.
2FA Code Generator
Generate TOTP codes from your 2FA secret key. Never leaves your browser.
JSON Path Finder
Inspect JSON, copy exact JSONPath expressions, and test paths locally.
URL Encoder Decoder
Encode and decode URL components locally in your browser.
Base64 Encoder Decoder
Encode and decode Base64 text locally in your browser.
MD5 Encoder
Generate MD5 hashes from text locally in your browser.
GUID / UUID Generator
Generate UUIDs and convert GUIDs to short GUIDs locally in your browser.
Pipe Delimiter Data Splitter
Split and filter data columns using a pipe delimiter. Extract information quickly and format accounts easily.
Pomodoro Timer
Run 5, 10, 25, or 50 minute focus timers with an MP3 alarm and browser notifications.
QR Code Generator
Generate QR codes for URLs, text, or Wi-Fi credentials. Entirely in your browser.
Age Calculator
Find out how many days you've lived and countdown to your next birthday.
Unix Timestamp Converter
Convert Unix epoch to datetime and back. 100% client-side.
Color Picker
Pick any color and copy HEX, RGB, and HSL values instantly.
Unit Converter
Convert temperature, length, weight and cooking units instantly.
Loan Calculator
Calculate monthly payments and total interest. Compare two loan plans side-by-side.
Tip Calculator
Split bills, calculate tip by %, and round conveniently for groups.
Contrast Checker
Check WCAG AA/AAA color contrast ratios instantly.
Readability Score
Flesch-Kincaid reading ease, grade level, word count, and reading time.
Text Diff Checker
Paste two texts and instantly see word-level differences highlighted.
CSS Gradient Builder
Build linear and radial CSS gradients visually.
Color Palette Extractor
Upload an image and extract 5 dominant colors with HEX and HSL.
Image Compressor
Compress JPG, PNG and WebP images in your browser without uploading.
Image Resizer & Aspect Ratio
Resize images by pixels or percentage, select standard aspect ratios, lock proportions, and preview before downloading. 100% local.
Background Remover
Remove portrait backgrounds with in-browser ML and download a transparent PNG locally.
EXIF Viewer
Read camera metadata from JPEG photos locally.
Image to ICO Converter
Convert PNG, JPG, WebP and more to .ico favicon files with multiple sizes.
JSON Formatter
Format, prettify and validate JSON instantly. Minify in one click.
Cron Job Parser
Parse full crontab lines with commands, explain the schedule, and preview the next 5 runs.
String Case Converter
Convert text to UPPERCASE, lowercase, camelCase, snake_case, kebab-case, PascalCase, and Title Case, with optional accent removal.
Random Number Generator
Generate random numbers, roll dice, or pick random items from a list.
Random Choice Spinner
Spin a lucky wheel for giveaways, team picks, lunch choices, and indecisive moments.
BMI Calculator
Calculate your Body Mass Index with metric or imperial units. Shows BMI category, healthy weight range and BMI Prime.
Timezone Meeting Planner
Compare a time across multiple cities to find a meeting slot that works for everyone.
QR Code Decoder
Decode QR codes from images or your camera. Reads URLs, WiFi, email and text. 100% client-side.
HTML Text Extractor
Strip HTML tags and extract plain text from any HTML. Handles scripts, styles, tables and links.
HTML Previewer
Write or paste HTML and preview it live in a sandboxed iframe. Supports full pages and fragments.
Todo / Task List
Simple todo list with priority levels and filters. Everything saved locally in your browser.
Text to Speech
Text to speech online free with built-in browser voices. Paste long text and read aloud online instantly.
Countdown Timer
Set a countdown timer with alarm beep. Works in background tab. No install needed.
JWT Decoder
Decode and inspect JWT tokens. View header, payload claims and expiry status instantly.
Word Counter
Count words, characters, sentences, and analyze text statistics.
Regex Tester & Extractor
Test regular expressions in real time, inspect capture groups, and generate code snippets.
PDF Merge & Split
Merge multiple PDFs into one or split a PDF into selected pages. 100% client-side.
Barcode Scanner
Scan barcodes from images. Supports Code 128, EAN, UPC, PDF417, QR Code and more. 100% client-side.
Barcode & PDF417 Generator
Generate Code 128, EAN, UPC and PDF417 barcodes. Choose columns, set size, download PNG. 100% client-side.
Typing Speed Test
Test your typing speed and accuracy in real time. Choose 15, 30, 60 or 120 seconds. 100% client-side.
Invoice Generator
Create professional invoices with logo, line items, and PDF export. Nothing leaves your browser.
Text Sorter & Deduplicator
Sort, deduplicate, shuffle lines and compare two lists by exact match or substring. 100% client-side.
Image Metadata Stripper
Remove EXIF, GPS, and all metadata from images locally.
Hash Generator
Generate SHA-1, SHA-256, SHA-512 hashes from text or files. 100% client-side.
Blood Pressure Checker
Check your blood pressure reading against WHO 2018 guidelines. Instant classification with plain-language advice. 100% client-side.
Shoe & Clothing Size Converter
Convert shoe and clothing sizes across VN, EU, US, UK, and JP. Quick reference table with brand disclaimer.
Pregnancy Calculator
Calculate gestational week, due date and trimester from your last menstrual period.
Pregnancy Weight Gain Guide
Calculate recommended weight gain range during pregnancy based on your pre-pregnancy BMI.
Fetal Kick Counter
Count and time your baby's movements. Tap each time baby kicks and track time to reach 10 movements.
Pregnancy Food Safety Checker
Search foods to check if they are safe, limited, or should be avoided during pregnancy.
Pregnancy Nutrition Calculator
Calculate extra calorie and key nutrient needs during pregnancy by trimester.
Medicine Reminder
Set medication reminders with before/after/with meal options. Browser notifications. 100% local.
Vision Test (Tumbling E)
Screen your vision at home using the Snellen tumbling E chart. For reference only.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Copy instantly. 100% client-side.
Slug Generator
Convert any title or phrase into a clean URL slug. Handles accents, spaces, and special characters. 100% client-side.
Image Format Converter
Convert images between PNG, JPEG, WebP, and BMP formats. Adjust quality for JPEG/WebP. 100% client-side, no upload.
Color Palette Generator
Generate harmonious color palettes from a base color — complementary, triadic, analogous, split-complementary. Copy HEX codes instantly.
Percentage Calculator
Calculate percentages: X% of Y, what % is X of Y, percentage increase/decrease. Simple, fast, 100% client-side.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates. Includes working-day count. 100% client-side.
TDEE / Calorie Calculator
Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) based on age, weight, height and activity level.
Stopwatch
Precision stopwatch with lap times. Works in background tab. No install needed.
Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate. 100% client-side.
Sleep Cycle Calculator
Find the best times to wake up or go to sleep based on 90-minute sleep cycles. Feel refreshed, not groggy. 100% client-side.
Number Base Converter
Instantly convert numbers between binary, octal, decimal, and hexadecimal. Supports large numbers. 100% client-side.
2048
The classic 2048 sliding tile puzzle. Combine matching numbers to reach 2048. Arrow keys or swipe. Best score saved locally.
Image Splitter
Split any image into a grid of equal tiles or fixed-size pieces. Download all tiles at once. 100% client-side.