Utilidades para desarrolladores en tu navegador

Age Calculator

Age Calculator locally in your tab — quick and privacy-friendly.

Baby layette calculator (0–12 months)

Pick region, birth month, and laundry rhythm — get a four-quarter table of suggested counts for the first year. Runs only in your browser.

Base64: codificar y decodificar

Codifica texto plano a Base64 o decodifica Base64 a texto, con UTF-8 correcto para emoji, acentos y alfabetos no latinos.

BBQ shopping calculator

Simple fields for adults, children, and appetite — instant estimates for meat, linguiça-style sausage, charcoal, ice, and soft drinks. Runs only in your browser.

Business Days

Business Days locally in your tab — quick and privacy-friendly.

Case Converter

Case Converter locally in your tab — quick and privacy-friendly.

Character Counter

Character Counter locally in your tab — quick and privacy-friendly.

CLT vs PJ calculator (Brazil)

Type both salaries to see the equivalent monthly value of CLT (after benefits accrual) and the PJ amount after a flat Simples tax.

Compound interest calculator

Combine a starting balance with regular monthly deposits and an annual rate to see total interest, contributions, and final balance.

CSS: formateador y minificador

Deja el CSS legible para revisar y depurar, o minifícalo para quitar espacios y reducir descarga (la librería solo se carga en esta página).

Csv To Json

Csv To Json locally in your tab — quick and privacy-friendly.

Csv Tsv Converter

Csv Tsv Converter locally in your tab — quick and privacy-friendly.

Date Difference

Date Difference locally in your tab — quick and privacy-friendly.

Dedupe Lines

Dedupe Lines locally in your tab — quick and privacy-friendly.

Discount calculator

Type the original price and the discount percent to see the final price and savings, or compare two prices to learn the implied discount percent.

Email extractor

Scan pasted text for email-shaped tokens, drop duplicates, optionally sort, and join with newline, comma, tab, pipe, or a custom delimiter — all in your browser.

Ethanol or gasoline?

Apply the classic 70% rule: if the ethanol price is below 70% of the gasoline price it is usually a better buy.

Favicon Generator

Favicon Generator locally in your tab — quick and privacy-friendly.

FGTS calculator (Brazil 2026)

Estimate monthly FGTS deposits and projected balance, plus the 40% fine in case of dismissal without cause.

File Size Converter

File Size Converter locally in your tab — quick and privacy-friendly.

Fuel consumption calculator

Type kilometers, liters and price per liter to read km/L, cost per km and cost per 100 km.

Hash Generator

Hash Generator locally in your tab — quick and privacy-friendly.

HTML: visor y formateador

Mejora la indentación del HTML o previsualiza el resultado en un iframe aislado; el código de la vista previa no se ejecuta en esta página.

Image Compress

Image Compress locally in your tab — quick and privacy-friendly.

Image Convert

Image Convert locally in your tab — quick and privacy-friendly.

Image Crop

Image Crop locally in your tab — quick and privacy-friendly.

Image Dominant Colors

Image Dominant Colors locally in your tab — quick and privacy-friendly.

Image Resize

Image Resize locally in your tab — quick and privacy-friendly.

Image Strip Metadata

Image Strip Metadata locally in your tab — quick and privacy-friendly.

Images to PDF

Stack photos or scans into one A4-sized PDF — order images with the arrow buttons, then download. Processing stays on your device.

Installment calculator (Price)

Enter the financed amount, monthly interest rate and number of installments to read the fixed monthly payment, total paid, and total interest.

JavaScript: formateador y minificador

Expande bundles minificados a código indentado o comprime fragmentos quitando espacios — útil al inspeccionar JS de producción.

JSON: visor, formateador y minificador

Da formato legible al JSON, reduce tamaño con minificar, valida la sintaxis y navega objetos en árbol — ideal para APIs REST y archivos de configuración. Todo corre en tu navegador.

Json To Csv

Json To Csv locally in your tab — quick and privacy-friendly.

Jwt Decoder

Jwt Decoder locally in your tab — quick and privacy-friendly.

Line Ending Converter

Line Ending Converter locally in your tab — quick and privacy-friendly.

Meta Preview

Meta Preview locally in your tab — quick and privacy-friendly.

Name Picker

Name Picker locally in your tab — quick and privacy-friendly.

Net salary calculator (Brazil 2026)

Type the gross salary and number of dependents to estimate INSS, IRRF and the net amount you take home each month.

Night-shift bonus calculator

Type the gross salary and number of night hours worked between 22h and 5h to read the equivalent hours and total bonus.

Overtime pay calculator (Brazil)

Type your gross salary and the number of overtime hours to read the hourly rate and total overtime amount.

Party planning calculator

Enter adults, children, hours, and whether you are serving snacks only or a meal — get starter numbers for cake, salgadinhos, and drinks.

Pdf Compress

Pdf Compress locally in your tab — quick and privacy-friendly.

Pdf Delete Pages

Pdf Delete Pages locally in your tab — quick and privacy-friendly.

Pdf Extract Pages

Pdf Extract Pages locally in your tab — quick and privacy-friendly.

Pdf Merge

Pdf Merge locally in your tab — quick and privacy-friendly.

Pdf Metadata Viewer

Pdf Metadata Viewer locally in your tab — quick and privacy-friendly.

Pdf Page Count

Pdf Page Count locally in your tab — quick and privacy-friendly.

Pdf Reorder

Pdf Reorder locally in your tab — quick and privacy-friendly.

Pdf Rotate

Pdf Rotate locally in your tab — quick and privacy-friendly.

Pdf Split

Pdf Split locally in your tab — quick and privacy-friendly.

PDF to PNG (per page)

Open a PDF and download each page as a high-resolution PNG — powered by pdf.js in your tab, not a remote converter.

Pdf Watermark

Pdf Watermark locally in your tab — quick and privacy-friendly.

Percentage calculator

Three percent helpers in one screen: percent of a value, ratio between two numbers, and percent change between before and after.

Pizza Calculator

Pizza Calculator locally in your tab — quick and privacy-friendly.

Qr Code

Qr Code locally in your tab — quick and privacy-friendly.

Random Number Generator

Random Number Generator locally in your tab — quick and privacy-friendly.

Regex Tester

Regex Tester locally in your tab — quick and privacy-friendly.

Robots Txt Generator

Robots Txt Generator locally in your tab — quick and privacy-friendly.

Rule of three calculator

Type A, B and C and read X for direct proportions — common for school, recipes, paint coverage, and unit pricing.

Savings yield calculator (Brazil)

Choose the product, type the initial amount, monthly deposits, and projection horizon to read the final balance and interest.

Screenshot to PDF

Focus the paste area and paste from the clipboard, or pick image files — build a one-page or multi-page PDF locally.

CLT severance calculator (Brazil 2026)

Choose the reason for dismissal to see prior notice, proportional 13th and vacation, the 1/3, FGTS fine, and total estimated severance.

Slug Generator

Slug Generator locally in your tab — quick and privacy-friendly.

Social Char Counter

Social Char Counter locally in your tab — quick and privacy-friendly.

Social Image Size

Social Image Size locally in your tab — quick and privacy-friendly.

Sort Lines

Sort Lines locally in your tab — quick and privacy-friendly.

Text Diff

Text Diff locally in your tab — quick and privacy-friendly.

13th salary calculator (Brazil 2026)

Type the gross salary and how many months you worked this year to read your proportional 13th and the two payment dates.

Conversor de timestamp Unix

Convierte tiempo Unix en segundos o milisegundos a fechas legibles, escribe fechas ISO en UTC y ve todos los campos actualizarse — útil para APIs, logs y depuración.

Timezone Converter

Timezone Converter locally in your tab — quick and privacy-friendly.

Trim Spaces

Trim Spaces locally in your tab — quick and privacy-friendly.

Unemployment insurance calculator (Brazil 2026)

Type your average salary and how many months you worked recently to estimate the monthly benefit and how many installments you receive.

Unit converter

Pick a dimension, choose source and target units, and read the converted value with no network round trip.

Url Encode

Url Encode locally in your tab — quick and privacy-friendly.

Url Extract

Url Extract locally in your tab — quick and privacy-friendly.

Utm Builder

Utm Builder locally in your tab — quick and privacy-friendly.

Uuid Generator

Uuid Generator locally in your tab — quick and privacy-friendly.

Vacation pay calculator (Brazil 2026)

Compute base vacation pay, the constitutional one-third addition, and the abono pecuniário (sale of 10 days).

Simple VAT (sales tax) calculator

Enter net or gross; the other side updates when you change the tax rate. No spreadsheet; runs only in your browser.

Wheel Spinner

Wheel Spinner locally in your tab — quick and privacy-friendly.

Word Counter

Word Counter locally in your tab — quick and privacy-friendly.

XML: visor y formateador

Añade saltos e indentación al XML, detecta errores del analizador y lee configs, RSS o payloads empresariales con más claridad.

Yaml Json

Yaml Json locally in your tab — quick and privacy-friendly.

Yield & compound calculator

Simulate months of compounding with separate monthly or annual rates for return, admin, and inflation — runs entirely in your browser.