🛠️Utilities
Utilities gather small everyday tools that do not fit a single box: counters, comparators, organizers, link builders and practical shortcuts. These are the quick tasks you would otherwise do by hand, here reduced to a single click.
118 tools
CNAB File Reader
Read Brazilian CNAB 240 and CNAB 400 banking files and display records decomposed by type.
GEDCOM Reader
Read GEDCOM (genealogy) files and list individuals (INDI) with name, birth and death dates.
PDF Merge
Merge several PDFs into a single file in the given order. Everything in your browser via pdf-lib.
EXIF Viewer
Read EXIF metadata from a photo: camera, lens, ISO, aperture, shutter, date, GPS. Browser-only via exifr.
Steam Avatar Formatter
Resize an image to 184×184 (Steam large avatar) or 32×32 (small avatar). Smooth edges, lossless quality.
WoW Addon Icon Converter
Resize an image to 64×64 in BLP-friendly format, the standard used by World of Warcraft addon icons.
NFe XML Viewer
Reads and displays the main fields of a Brazilian NF-e/NFC-e XML: issuer, recipient, items, totals, ICMS.
Image to ASCII
Convert any image into ASCII art from each pixel's brightness. Configurable width and density.
Image Slicer
Slice an image into N×M tiles (grid). Useful for puzzles, slideshows or grid layouts.
Spritesheet Cutter
Cut a spritesheet into individual frames given rows and columns. ZIP download.
QR Code Reader
Read QR codes from device camera or uploaded image. 100% in your browser (jsQR).
CEP Lookup
Look up Brazilian postal codes (CEP) via ViaCEP API. Returns street, neighborhood, city, state and area code.
CNPJ Lookup
Look up public company data by Brazilian CNPJ via BrasilAPI. Returns legal name, status, main activity and address.
Placeholder Image Generator
Generate PNG placeholder images at chosen dimensions and colors with centered text. Useful for prototypes.
Bank Code Lookup
Find FEBRABAN code of major Brazilian banks (BB, Itaú, Bradesco, Santander, Nubank, Inter, Caixa) by name or number.
WhatsApp Link Generator
Generate wa.me or api.whatsapp.com links with pre-filled message (URL-encoded). Ready to use in buttons.
Word Counter
Count words, characters with and without spaces, and paragraphs in real time. Ideal for writers, students and anyone working with text.
MD5 Hash Generator
Generate the MD5 hash of any text online — 32 hexadecimal characters calculated in the browser, no data sent to any server.
SHA-256 Hash Generator
Generate the SHA-256 hash of any text using the native Web Crypto API. 64-character hex hash, processed locally in your browser.
My IP Address
Discover your public IP address in seconds. See the IPv4 address assigned by your internet service provider (ISP).
Pomodoro Timer
Online Pomodoro timer to boost focus and productivity. 25-minute work cycles with 5-minute short breaks and configurable long breaks.
Number Picker
Pick random numbers without repetition between a minimum and maximum. Ideal for lotteries, raffles and random selections.
Symbols Library
Browse Unicode symbols organized by category and copy with one click. Currency, arrows, math, punctuation and much more.
Unicode Text Styles
Transform your text into decorative styles using Unicode characters: bold, italic, fraktur, double-struck and monospace.
Stopwatch
Online stopwatch with hundredths precision, laps and history. Works in the browser with no installation.
Digital Clock
Full-screen digital clock showing local time in real time. Supports 12h and 24h format with fullscreen mode.
Countdown Timer
Countdown timer configurable in hours, minutes and seconds. With sound alert and progress bar.
Online Alarm
Set an alarm for any time of day directly in your browser. With sound alert and visual notification.
Slugify
Convert titles and text into URL-friendly slugs. Removes accents, converts to lowercase and replaces spaces with hyphens. Essential for SEO.
Color Picker
Pick a color and get its HEX, RGB and HSL values with one click to copy.
Image Color Picker
Load an image and discover the color of any pixel in real time. Hover to see HEX, RGB and HSL with a magnifier. Automatically extracts the dominant color palette.
Blank Screen
Fully white screen for projecting, cleaning the display or using as a focus background. Supports dark mode.
World Time Zones
See the current time in major cities around the world in real time. Compare time zones simply.
Symbol Table
Copy special symbols with one click: arrows, mathematical, currency, Greek letters, shapes and much more. Compatible with WhatsApp, Word and social networks.
Emoji List
Explore and copy over 500 emojis organized by category: faces, people, animals, food, travel, activities, objects and symbols. Search by name.
ASCII Table
Look up all 128 ASCII characters with decimal, hex, binary, HTML entity and description. Filter by type and search by character or code.
Alt Codes
Complete reference of Windows Alt codes: special symbols, accented letters, currencies, math symbols, Greek letters and more. Copy any character with one click.
SHA-1 Hash Generator
Generate the SHA-1 hash of any text using the native Web Crypto API. 40-character hex hash, processed locally.
CRC32 Calculator
Calculate the CRC32 checksum of any text. Returns the value in hexadecimal, decimal and binary. Processed in the browser.
Browser Info
Discover detailed information about your browser and system: name, version, OS, screen resolution, language, time zone and more.
Character Info
Get full information about any Unicode character: decimal code, hex, HTML entity, UTF-8 and official name. Click any character to inspect it.
Brazilian Bank Code Lookup
Look up the COMPE/ISPB code of major Brazilian banks. Search by name or code and find the official number for TED, DOC and PIX.
Flip Image
Flip an image horizontally, vertically or in both directions. Instant result in the browser — no data sent to servers.
Grayscale Image Converter
Convert any image to grayscale (black and white) in the browser. Instant processing without sending data to servers.
Sepia Effect
Apply the classic sepia (vintage photo) effect to any image directly in the browser. Download the result as PNG.
Invert Image Colors
Invert all colors in an image (negative effect). Each pixel is replaced by its RGB complement. Processed in the browser.
Rotate Image
Rotate an image by 90°, 180° or 270° (clockwise and counterclockwise). Instant result in the browser, with PNG download.
Resize Image
Resize any image by setting width and height in pixels. Option to maintain aspect ratio. Browser-side processing, no upload to servers.
Image Brightness & Contrast
Adjust the brightness and contrast of any image with real-time sliders. See the result instantly and download as PNG.
Color Adjuster
Lighten, darken, invert, desaturate or adjust the saturation of a HEX, RGB or HSL color. See the result in real time.
Color Mixer
Mix two colors and get the resulting color. Control the percentage weight of each color. Result in HEX, RGB and HSL.
WCAG Contrast Checker
Check the contrast between text and background colors per WCAG 2.1 guidelines. Shows the ratio and AA/AAA levels for normal and large text.
Online Notepad
Online notepad that automatically saves in the browser via localStorage. Your notes persist between sessions without any account or login.
Color Palette Generator
Generate harmonious color palettes from a base color. Schemes: monochromatic, analogous, complementary, triadic, tetradic and split-complementary.
SHA-512 Hash Generator
Generate 128-character SHA-512 hex hashes from any text using the native Web Crypto API.
SHA-384 Hash Generator
Generate 96-character SHA-384 hex hashes from any text using the native Web Crypto API.
Number Formatter
Format numbers with thousand separators, decimal places and currency symbols for BR (Real), US (Dollar) and EU (Euro) standards. Supports percentage.
Typing Speed Test
Measure your typing speed in words per minute (WPM) and characters per minute (CPM). Timed test with accuracy analysis.
Map Points
Plot geographic coordinates (latitude/longitude) on an interactive OpenStreetMap. Add markers by clicking the map or entering coordinates.
Map Route Planner
Create routes by adding waypoints on an interactive OpenStreetMap. View total distance in km and export points as CSV.