Tools

Free browser-based tools and utilities to compute, convert, and format data locally with zero server logging.

27 Published Tools

Popular

IPv4 Subnet Calculator & CIDR Mask Reference JSON Formatter, Validator & Minifier Image Format Converter Merge & split PDF Base64 & URL Encoder / Decoder Unix Timestamp & Epoch Converter

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Showing 27 of 27 tools

PDF Tools

4 tools

PDF to Word Converter Add page numbers to PDF Rotate PDF Merge & split PDF

Converters

5 tools

Time Zone Converter Image Format Converter Base64 & URL Encoder / Decoder Data Storage & Bandwidth Converter Unix Timestamp & Epoch Converter

Calculators

9 tools

Half-Life Calculator Random Password Generator Boolean Expression Simplifier K-Map Solver Scientific Calculator Truth Table Generator College & High School GPA Calculator (Weighted & Unweighted)Percentage Calculator IPv4 Subnet Calculator & CIDR Mask Reference

Academic & Developer

9 tools

Study Notepad Color Converter (HEX, RGB, HSL)Citation & reference generator JSON Formatter, Validator & Minifier Cron Expression Tester & Schedule Explainer Pomodoro Study & Focus Timer Common Network Ports & Services Reference Guide Readability Score Checker (Flesch-Kincaid & Gunning Fog)Word & character counter