El catálogo de Microapp
753 microapps.
Un solo viaje.
Cada microapp hace una tarea, en 30 segundos, con la calidad por la que Big Software te cobra por asiento. Elige una abajo o usa la búsqueda de arriba.
Microapp destacada
Bank Statement Converter
Sube un retrato. Recibe una guía de estilo lista para el salón: mejores largos, cortes top, sugerencias de color y estilos que evitar. En segundos.
Imprescindibles
Las herramientas que todos usan primero
Word Counter
Count words, characters & reading time
Percentage Calculator
Calculate percentages, discounts & more
BMI Calculator
Calculate your Body Mass Index
Color Converter
Convert HEX, RGB, HSL, HSV colors
JSON Formatter
Format and validate JSON data
Password Generator
Generate secure random passwords
Age Calculator
Calculate your exact age in years, months, days
Tip Calculator
Calculate tips and split bills
QR Code Reader
Scan and decode QR codes from images
Lorem Ipsum
Generate placeholder text instantly
Case Converter
UPPER, lower, Title, camelCase & more
Loan Calculator
Calculate monthly payments & total interest
Nuevo esta semana
Recién salido del equipo de agentes.
ATS Resume Checker
See which words a job posting uses that your resume doesn't.
Quiz Question Generator
Paste a passage, get quiz questions and an answer key.
PDF Translator
Translate a PDF into 30+ languages, page by page, next to the original. The file stays in your browser; only its text goes to the AI.
Sentence Expander
Make a short sentence say more, not just run longer.
Resignation Letter Generator
Type your name and last day. Get a short, polite resignation letter — copy, email or print.
Apology Letter Generator
Say sorry without the excuses. One letter, checked.
Background Remover
Cut the background out of a photo. Full size, in your browser.
Sod Calculator
Lawn size in, sod order out — pieces, pallets, and what it costs.
Image Upscaler
Make an image 2× or 4× larger and sharper — runs on your device, no upload, no credits, no watermark.
Presentation Timer
A talk countdown that turns yellow, then red, then counts how far over you went.
Scoreboard
Two big scores, side by side. Tap to add a point. Full screen for the room.
Raffle Generator
Draw raffle winners, weighted by tickets, in order.
Protect PDF
Add a password to a PDF, in your browser
JSON to XML
Paste JSON, get well-formed XML. Arrays, attributes and big numbers handled.
SVG Optimizer
Shrink an SVG without changing how it looks. Runs in your browser; the file never leaves your device.
Random Superhero Generator
Rolls an original superhero — name, power, origin, weakness, costume, and secret identity.
Hours Ago Calculator
What time was it 5, 24, or 48 hours ago? Counted from right now.
Image to Base64
Turn an image into a Base64 data URI, CSS, or img tag
Weeks From Today Calculator
What date is 6, 12, or 26 weeks from today — counted from today, no date entry needed.
Random Setting Generator
A place, a time, one detail, and the trouble already there. Ready for your story.
Rent Increase Calculator
Old rent, new rent. See the increase in percent, per month, and per year.
Escrow Calculator
Your yearly tax and insurance bills, turned into the monthly escrow payment.
Random Hobby Generator
Get one hobby you could start this week — and the first thing to do.
Random Bird Generator
Roll a real bird — where it lives, how big it gets, and one thing worth knowing.
Fill PDF Form
Type into a PDF form's boxes and download it filled
Devil Fruit Generator
Rolls an original Devil Fruit — its name, type, look, power, and the price of eating it.
JavaScript Minifier
Shrink JavaScript in your browser. See the bytes saved, copy the result.
Color Blindness Simulator
See an image the way color-blind eyes see it
Random Aesthetic Generator
Roll an aesthetic — with a palette you can copy and four things that make it look right.
Midrange Calculator
The midrange of any list of numbers, with the working shown and the mean and median beside it.
Para escritores
Borradores, edición, pulido
Word Counter
Count words, characters & reading time
Character Counter
Count characters with and without spaces
Paraphrasing Tool
Rewrite text in your own words
Text Summarizer
Summarize long text into key points
AI Bio Generator
Generate professional bios for LinkedIn
Cover Letter Generator
Generate tailored cover letters fast
Hashtag Generator
Generate trending hashtags for social media
Caption Generator
Generate engaging captions for Instagram
AI Poem Writer
Write poems on any topic or style
Outline Generator
Generate an AI-style outline from a topic
Thank You Note Generator
Generate heartfelt thank you notes
Email Subject Generator
Generate high-open-rate email subject lines
Para desarrolladores
Formatea, codifica, depura, lanza
JSON Formatter
Format and validate JSON data
Base64 Encoder/Decoder
Encode and decode Base64 strings
Regex Tester
Test and debug regular expressions
JSON to CSV
Convert JSON arrays to CSV format
CSV to JSON
Convert CSV to JSON format
URL Encoder/Decoder
Encode and decode URLs
HTML Encoder/Decoder
Encode and decode HTML entities
SHA-256 Generator
Generate SHA-256 cryptographic hash
MD5 Hash Generator
Generate MD5 hashes from any text
UUID Generator
Generate random UUID v4 identifiers
Curl Builder
Build cURL commands from a URL
Binary Decoder
Decode binary code (8-bit ASCII bytes) into readable text — accepts spaces, commas, or no separators
Mates fáciles
Calculadoras que hacen el trabajo por ti
Percentage Calculator
Calculate percentages, discounts & more
BMI Calculator
Calculate your Body Mass Index
Tip Calculator
Calculate tips and split bills
Loan Calculator
Calculate monthly payments & total interest
Compound Interest Calc
See how your money grows over time
Average Calculator
Calculate mean, median, mode & range
Standard Deviation Calculator
Sample and population SD plus mean, median, variance, min/max — paste any list of numbers
Factorial Calculator
Compute n! exactly for n up to 170, scientific notation up to n = 1000
Combination Calculator
C(n, k) = n! / (k! × (n−k)!) — selections where order does not matter
Permutation Calculator
P(n, k) = n! / (n−k)! — arrangements where order matters
Logarithm Calculator
ln (natural), log₁₀, log₂, or any custom base — answers 'what power gives me this number?'
Long Division Calculator
Divide step-by-step with the algorithm you learned in school — quotient, remainder, and every intermediate step
Explora por categoría
Siete categorías. Cada microapp va en una. Elige una estantería.
Herramientas de texto
Contadores de palabras, caracteres, formateadores de texto, conversores de mayúsculas, comparadores de diferencias y más — todos gratis e instantáneos.
Explorar →Calculadoras numéricas
Calculadoras de porcentaje, conversores de unidades, calculadoras de préstamo, IMC, GPA, propina y docenas de herramientas matemáticas más.
Explorar →Herramientas de tiempo
Calculadoras de edad, diferencia de fechas, temporizadores de cuenta regresiva, cronómetro, temporizador Pomodoro y más.
Explorar →Generadores
Generadores de contraseñas, lorem ipsum, números aleatorios, lanzamiento de moneda, dado, nombres y más.
Explorar →Herramientas dev
Formateador JSON, codificador Base64, lector de QR, probador de regex, constructor cURL, Markdown a HTML y más.
Explorar →Escritura e IA
Generador de bio con IA, parafraseador, resumidor de texto, generador de carta de presentación, generador de hashtags y más.
Explorar →Colores y diseño
Conversor de color, hex a RGB, generador de paleta, generador de gradiente, buscador de nombres de color y más.
Explorar →PDF Tools
Convert images to PDF, extract pages, merge files, sign documents, unlock password-protected PDFs — all client-side, files never leave your browser.
Explorar →Image Tools
Compress, resize, convert, and crop images — PNG, JPG, WebP, AVIF, HEIC. Every operation runs in your browser, no upload, no watermark.
Explorar →Video & Audio
Pull the audio out of a video and convert between video and audio formats. Every conversion runs in your browser — no upload.
Explorar →