Base 64 encoder/decoder - Toolkit - Nicolas Castro Go back to the blog Base 64 encoder/decoder Input: Decode Encode How it works: Convert the text to its binary representation. Divide the bits into groups of 6 bits each. Convert each group to a decimal number from 0-63. It cannot be greater than 64 as there are only 6 bits in each group. Convert this decimal number to the equivalent Base64 character using the Base64 alphabet.

Base 64 image viewer - Toolkit - Nicolas Castro Go back to the blog Base 64 image viewer Paste your base 64 stream and press tab to make it pretty. The stream must start with data:image/png;base64,. Input: Image:

Color Picker - Toolkit - Nicolas Castro Go back to the blog Color Picker Select an image form your device: Pick a color by clicking on the image:

Compound interest calculator - Toolkit - Nicolas Castro Go back to the blog Compound interest calculator We calculate the compound amount and the compund interest. Initial deposit: Contribution amount: The amount of money you'll add at the beginning of the invest. If you plan to withdraw, it'll be a negative number. Contribution frequency: Yearly Monthly Weekly Daily Number of years: to preserve the investment. Annual interest rate (%): Compound frequency: How frequently do your investment delivers the interests.

Copernican principle predictor - Toolkit - Nicolas Castro Go back to the blog Copernican principle predictor It's a way to estimate the remaining time of a phenomenon based on the time elapsed and a reliability percentage. Name of your phenomenon: Hoy many years have passed?: Reliability percentage: Calculate

Crontab explainer - Toolkit - Nicolas Castro Go back to the blog Crontab explainer (WIP) Input: About crontab Cron (from greek chron) and tab (for table), is a file that contains a list of entries to be executed at a specified times. Crontab is also the command used to configure the file. ┌───────────── minute (0 - 59) │ ┌───────────── hour (0 - 23) │ │ ┌───────────── day of month (1 - 31) │ │ │ ┌───────────── month (1 - 12) │ │ │ │ ┌───────────── day of week (0 - 6) (Sunday to Saturday; │ │ │ │ │ 7 is also Sunday on some systems) │ │ │ │ │ │ │ │ │ │ * * * * * command to execute

Customer simulator - Toolkit - Nicolas Castro Customer simulator Prices: Diagnostico/revisión PC-Notebook-AIO,2824 Formateo e instalación de Sistema Operativo sin BackUp PC-Notebook-AIO,9884 Limpieza Hardware + Formateo e instalación de Sistema Operativo + Programas Básicos + BackUp hasta 100gb PC-Notebook-AIO,11296 BackUp de Datos cada 100gb Extras PC-Notebook-AIO,2824 Inicialización de equipo nuevo (configuración + Programas Básicos) PC-Notebook-AIO,8472 Instalación Programas OpenSource x1 PC-Notebook-AIO,2259 Instalación Programas comerciales x1 Provisto PC-Notebook-AIO,2824 Instalación y configuración de Drivers PC-Notebook-AIO,3388 Eliminación de malware PC-Notebook-AIO,5083 Conexión Remota x 1 HS - Problemas Generales PC-Notebook-AIO,2259 Visita a domicilio x1HS PC-Notebook-AIO,5083 Visita a domicilio x1HS Emergencia Fuera de HS PC-Notebook-AIO,9884 Clonado de disco sin errores SMART PC-Notebook-AIO,8472 Clonado de disco con errores SMART PC-Notebook-AIO,12708 Armar PC básica desde 0 PC,14120 Armar PC gamer desde 0 PC,22593 Cambio de componentes hardware x1 PC,4236 Limpieza de hardware + Cambio de Pasta térmica PC,5083 Limpieza de hardware + Cambio de Pasta térmica Notebook - AIO,8472 Cambio de Flex NOTEBOOK,8472 Cambio de pantalla NOTEBOOK,7060 Cambio de teclado NOTEBOOK,4236 Despiece - Cambio de componentes internos NOTEBOOK,11296 Hard Reset + Configuración tablets-celulares-iPads Celulares-Tablets,5648 Configuración Router/Access Point In Site Red,6213 Reflow Hardware-Mother,18357 Cambio de pin de carga Notebook - AIO,11296 Customers per day max / variation: Services per customer max / variation: Black swan probability (0.

Image to text - Toolkit - Nicolas Castro Go back to the blog Image to text Select an image from your computer. The recognition process will start automatically. Attribution to Tesseract OCR. Input: Output:

JSON Toolkit - Toolkit - Nicolas Castro Go back to the blog JSON Toolkit Paste your JSON and press the respective button. Input: Escape Unescape Pretty Compress Undo Redo Known issues: unescape.

JWT decoder - Toolkit - Nicolas Castro Go back to the blog JWT decoder Input: Decode Some facts: A JWT token is a set of alphanumeric characters divided in three sections separated by a dot (.). The first section represents the heading, the second one the payload and the third one the signature. All attributes are named with 3 letters because of performance reasons. In the heading, alg is the algorithm used to calculate the signature, typ is the token type (JWT in this case).