120+ todas las herramientas · 12 categorías

Cada herramienta que necesitas, en un solo lugar

Más de 120 utilidades gratuitas que funcionan completamente en tu navegador. Nada se sube a un servidor.

120 herramientas

Word Counter

Count words, characters, sentences, paragraphs and estimated reading time in real time.

Texto

QR Code Generator

Create a QR code from any text, URL or link and download it as a PNG.

QR y código de barras

QR Code Reader

Scan and decode QR codes from an image file or your device camera.

QR y código de barras

WiFi QR Code Generator

Create a QR code that lets guests connect to your WiFi by scanning it.

QR y código de barras

vCard QR Code Generator

Turn your contact details into a scannable vCard QR code.

QR y código de barras

Barcode Generator

Generate barcodes (CODE128, EAN, UPC and more) and download them as SVG.

QR y código de barras

Image Crop

Crop images to a selection right in your browser and download the result.

Imagen

Image Resize

Resize images to exact dimensions while optionally keeping the aspect ratio.

Imagen

Image Compressor

Reduce image file size in your browser with adjustable quality.

Imagen

Image Converter

Convert images between PNG, JPG and WebP formats in your browser.

Imagen

Rotate & Flip Image

Rotate images by 90° and flip them horizontally or vertically.

Imagen

Image to Base64

Convert an image into a Base64 data URI you can paste into code.

Imagen

Base64 to Image

Decode a Base64 string or data URI back into a viewable, downloadable image.

Imagen

Color Picker from Image

Pick the exact hex color of any pixel in an image.

Imagen

Image Color Palette

Extract the dominant colors from an image as a hex palette.

Imagen

Favicon Generator

Generate favicon images in all common sizes from a single image.

Imagen

Image Watermark

Add a text watermark to an image with adjustable position and opacity.

Imagen

Random Number Generator

Generate random numbers in any range, with optional unique values.

Azar y decisión

Dice Roller

Roll any number of dice with a custom number of sides.

Azar y decisión

Coin Flip

Flip a virtual coin and track heads/tails counts.

Azar y decisión

Wheel of Names (Spinner)

Spin a customizable wheel to randomly pick a name or entry.

Azar y decisión

Random Picker

Pick a random item from a list you paste.

Azar y decisión

Random Team Generator

Split a list of names into balanced random teams.

Azar y decisión

Random Color Generator

Generate random hex colors and copy them with one click.

Azar y decisión

Yes or No Wheel

Get a random yes, no or maybe answer to any question.

Azar y decisión

List Randomizer

Shuffle a list of lines into a random order.

Azar y decisión

Random Date Generator

Generate a random date between two dates.

Azar y decisión

Case Converter

Convert text between UPPER, lower, Title, camelCase, snake_case and more.

Texto

Lorem Ipsum Generator

Generate placeholder lorem ipsum paragraphs for mockups.

Texto

Text Diff Checker

Compare two texts and highlight added and removed lines.

Texto

Remove Duplicate Lines

Delete duplicate lines from text, keeping the first occurrence.

Texto

Slugify (URL Slug Generator)

Turn any text into a clean, URL-friendly slug.

Texto

Reverse Text

Reverse text by characters, words or lines.

Texto

Find and Replace

Find and replace text, with optional regex and case-insensitive matching.

Texto

Unit Converter

Convert length, weight, area, volume and speed between units.

Conversores

Temperature Converter

Convert temperatures between Celsius, Fahrenheit and Kelvin.

Conversores

Color Converter (HEX/RGB/HSL)

Convert colors between HEX, RGB and HSL and preview them live.

Conversores

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Conversores

Roman Numeral Converter

Convert between Arabic numbers (1–3999) and Roman numerals.

Conversores

Byte Size Converter

Convert between B, KB, MB, GB, TB and PB.

Conversores

Time Zone Converter

Convert a date and time from one time zone to another.

Conversores

World Clock

See the current time across major cities and time zones.

Fecha y hora

Countdown Timer

Set a countdown timer with start, pause and reset.

Fecha y hora

Stopwatch

A precise stopwatch with lap times.

Fecha y hora

Age Calculator

Calculate your exact age in years, months and days.

Fecha y hora

Date Difference Calculator

Find the difference between two dates in years, months and days.

Fecha y hora

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Fecha y hora

Pomodoro Timer

Focus with 25-minute work sessions and 5-minute breaks.

Fecha y hora

Days Between Dates

Count the number of days between two dates.

Fecha y hora

Week Number Calculator

Find the ISO 8601 week number for any date.

Fecha y hora

JSON Formatter

Format, beautify and minify JSON with validation.

Desarrollador

JSON Validator

Validate JSON and see the exact syntax error.

Desarrollador

JSON to CSV

Convert a JSON array of objects into CSV.

Desarrollador

CSV to JSON

Convert CSV into a JSON array of objects.

Desarrollador

YAML to JSON

Convert YAML into formatted JSON.

Desarrollador

JSON to YAML

Convert JSON into YAML.

Desarrollador

XML Formatter

Pretty-print XML with indentation.

Desarrollador

SQL Formatter

Format and beautify SQL queries.

Desarrollador

Regex Tester

Test regular expressions against sample text.

Desarrollador

Cron Expression Parser

Translate cron expressions into plain English.

Desarrollador

Markdown Preview

Write Markdown and see a sanitized live preview.

Desarrollador

HTML Minifier

Minify HTML by removing comments and whitespace.

Desarrollador

CSS Minifier

Minify CSS by removing comments and whitespace.

Desarrollador

JavaScript Minifier

Basic JS minify — remove comments and blank lines.

Desarrollador

Diff Checker

Compare two texts and see added/removed lines with counts.

Desarrollador

Base64 Encode / Decode

Encode text to Base64 or decode Base64 to text.

Codificar y cifrar

URL Encode / Decode

Percent-encode or decode URL components.

Codificar y cifrar

HTML Entity Encode / Decode

Escape or unescape HTML entities.

Codificar y cifrar

JWT Decoder

Decode a JWT to view its header and payload.

Codificar y cifrar

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

Codificar y cifrar

UUID Generator

Generate random UUID v4 identifiers.

Codificar y cifrar

Password Generator

Generate strong random passwords with custom rules.

Codificar y cifrar

Bcrypt Hash Generator

Hash text with bcrypt at a chosen cost factor.

Codificar y cifrar

Percentage Calculator

Calculate percentages, percentage-of, and percentage change.

Calculadoras

BMI Calculator

Calculate Body Mass Index from weight and height.

Calculadoras

Loan Calculator

Calculate monthly loan payments, total interest and total paid.

Calculadoras

Tip Calculator

Calculate a tip and split the bill between people.

Calculadoras

Discount Calculator

Calculate the sale price and amount saved.

Calculadoras

Aspect Ratio Calculator

Reduce width and height to a simplified aspect ratio.

Calculadoras

GPA Calculator

Calculate a credit-weighted grade point average.

Calculadoras

Scientific Calculator

Evaluate math expressions with functions and constants.

Calculadoras

Merge PDF

Combine multiple PDF files into one.

PDF

Split PDF

Extract a page range from a PDF into a new file.

PDF

PDF to Image

Convert PDF pages into downloadable PNG images.

PDF

Image to PDF

Combine JPG/PNG images into a single PDF.

PDF

Meta Tag Generator

Generate SEO meta tags for your web page.

Web y SEO

Open Graph Preview

Preview and generate Open Graph social tags.

Web y SEO

UTM Link Builder

Build campaign URLs with UTM parameters.

Web y SEO

robots.txt Generator

Generate a robots.txt file for your site.

Web y SEO

Sitemap XML Generator

Generate a sitemap.xml from a list of URLs.

Web y SEO

Online Notepad

A simple notepad that autosaves in your browser.

Varios

Color Blindness Simulator

Preview an image as seen with color vision deficiencies.

Varios

JSON Diff

Compare two JSON objects and see what changed.

Desarrollador

JSON to TypeScript

Generate TypeScript interfaces from a JSON sample.

Desarrollador

URL Parser

Break a URL into its parts and query parameters.

Desarrollador

String Escaper

Escape or unescape text for JSON and JavaScript strings.

Desarrollador

CSV to Markdown Table

Convert CSV data into a Markdown table.

Desarrollador

Remove Accents

Strip accents and diacritics from text (Vietnamese friendly).

Texto

Word Frequency Counter

Count how often each word appears in your text.

Texto

Text Line Sorter

Sort lines alphabetically, by length, or reverse them.

Texto

Whitespace Cleaner

Trim lines, collapse spaces and remove blank lines.

Texto

Text Repeater

Repeat text a number of times with a chosen separator.

Texto

Placeholder Image Generator

Create a solid-color placeholder image with custom size and text.

Imagen

SVG to PNG

Convert SVG markup to a raster PNG at any scale.

Imagen

Meme Generator

Add top and bottom captions to an image, meme-style.

Imagen

Add Image Border

Add a solid colored border or frame around an image.

Imagen

Round Image Corners

Add rounded corners to an image with transparency.

Imagen

Compound Interest Calculator

Project savings growth with compounding and contributions.

Calculadoras

Savings Goal Calculator

See how many months to reach a savings target.

Calculadoras

VAT Calculator

Add or remove VAT/GST from an amount.

Calculadoras

BMR & Calorie Calculator

Estimate BMR and daily calories (TDEE).

Calculadoras

Unit Price Comparison

Compare price per unit to find the best value.

Calculadoras

JSON Minifier

Compress JSON by removing whitespace.

Desarrollador

Query String Builder

Build a URL with encoded query parameters.

Desarrollador

Morse Code Translator

Translate text to and from Morse code.

Texto

NATO Phonetic Alphabet

Spell text using the NATO phonetic alphabet.

Texto

Grayscale & Sepia

Convert an image to grayscale or sepia.

Imagen

Pixelate Image

Add a pixelated / mosaic effect to an image.

Imagen

Simple Interest Calculator

Calculate simple interest and total amount.

Calculadoras

Fuel Cost Calculator

Estimate the fuel cost of a trip.

Calculadoras