Techie Tools & Utilities
Explore practical technology tools and interactive utilities designed to help you solve problems, perform calculations, analyze files, and work more efficiently. Techietory Tools brings useful technical resources together in one place.
Techietory STL Viewer
Upload, inspect, and interact with STL files directly in your browser with an easy-to-use 3D viewing experience.
LLM Cost Calculator
Estimate the cost of using large language models based on token usage, model pricing, and input and output token counts.
Parallel & Series Resistor Calculator
Calculate the total resistance of resistors connected in series or parallel and simplify circuit analysis in seconds.
555 Timer Calculator
Calculate frequency, pulse width, duty cycle, and timing components for 555 timer circuits in astable and monostable configurations.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings quickly with a simple browser-based tool.
Standard Deviation Calculator
Calculate the standard deviation of a dataset and measure how widely your values are distributed around the mean.
Regression Calculator
Perform linear regression to analyze relationships between variables, calculate the best-fit line, and estimate predicted values.
Linux Command Generator
Generate useful Linux commands from plain-language descriptions for common system administration and terminal tasks.
JSON Formatter & Validator
Format, validate, and troubleshoot JSON data quickly with an easy-to-use browser-based tool.
Ohm's Law Calculator
Quickly calculate voltage, current, resistance, and power using Ohm's Law.
Led Resistor Calculator
Calculate the appropriate resistor value for an LED circuit based on the supply voltage, LED forward voltage, and desired operating current.
Voltage Divider Calculator
Calculate the output voltage of a resistor-based voltage divider and quickly determine the right resistor values for your circuit.
Context Window Calculator
Estimate token usage and determine how much text or how many tokens can fit within an AI model’s context window.
CSV Data Analyzer
Upload and analyze CSV datasets to quickly explore data types, missing values, summary statistics, distributions, and key patterns.
Chmod Calculator
Calculate Linux file permissions and instantly convert between symbolic permissions and numeric chmod values.
File Permission Calculator
Calculate and convert file permissions using user, group, and other access levels with corresponding numeric and symbolic values.
LLM Token Counter
Count tokens, words, and characters in your text to estimate prompt size and usage across large language models.
Resistor Color Code Calculator
Identify resistor values, tolerances, and color bands quickly with an interactive resistor color code calculator.
Regex Tester
Test and validate regular expressions instantly against your text with clear, real-time matching results.
Current Divider Calculator
Calculate how current is distributed between parallel resistors and quickly determine the current flowing through each branch of your circuit.
Statistics Calculator
Calculate essential statistical measures such as mean, median, mode, variance, standard deviation, and range from your dataset.
Correlation Calculator
Calculate Pearson correlation to measure the strength and direction of the linear relationship between two datasets.
Cron Expression Generator
Create and interpret Cron expressions to schedule automated tasks on Linux and Unix-based systems.
Subnet Calculator
Calculate subnet information including network address, broadcast address, host range, subnet mask, and available hosts.


