💻Tech
Subnet calculator and network utilities.
Browse tech calculators and utility tools for networking, development, and other practical technical tasks. This category is built for users who need quick, accurate answers without digging through manual steps every time.
What You'll Find Here
This category helps users solve technical problems involving structured inputs, digital systems, network logic, and common calculation-based tech tasks.
All Tech Tools
Subnet Calculator
Calculate subnet mask, network address, broadcast address, and usable host range from IP and CIDR.
Open toolJSON Formatter
Use this JSON formatter to format, validate, and minify JSON safely in your browser.
Open toolURL Encoder Decoder
Use this URL encoder decoder to safely encode or decode URL components and handle invalid encoded input clearly.
Open toolBase64 Encoder Decoder
Use this Base64 encoder decoder to encode text to Base64 or decode Base64 back to UTF-8 text with clear invalid-input handling.
Open toolQR Code Generator
Use this QR code generator to create downloadable QR codes from text or URLs. Generate client-side and test before publishing.
Open toolBandwidth Calculator
Use this bandwidth calculator to estimate required bandwidth from data size and transfer time with unit conversion support.
Open toolDownload Time Calculator
Use this download time calculator to estimate transfer time from file size and connection speed with unit conversion support.
Open toolData Transfer Calculator
Use this data transfer calculator to estimate transfer time, required speed, or transferable size with explicit unit assumptions.
Open toolIP Address Calculator
Use this IP address calculator to analyze IPv4 addresses including binary form, integer value, and common private/reserved ranges.
Open toolCIDR Calculator
Use this CIDR calculator to analyze IPv4 CIDR notation, subnet mask, network/broadcast addresses, and usable host ranges.
Open toolBinary Calculator
Use this binary calculator to perform binary arithmetic and view decimal/binary conversion results with clear input validation.
Open toolHex Calculator
Use this hex calculator to perform hexadecimal arithmetic and view decimal/hex conversion results with clear input validation.
Open toolUUID Generator
Generate UUIDs in your browser with this UUID generator. Client-side generation only, with UUID v4 support.
Open toolHash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes client-side. Hashes are one-way and not encryption.
Open toolAspect Ratio Calculator
Use this aspect ratio calculator to simplify ratios and resize dimensions while preserving ratio.
Open toolDPI Calculator
Use this DPI calculator to estimate DPI/PPI from pixel resolution and physical display size.
Open toolFeatured Tools
QR Code Generator
Use this QR code generator to create downloadable QR codes from text or URLs. Generate client-side and test before publishing.
FeaturedBandwidth Calculator
Use this bandwidth calculator to estimate required bandwidth from data size and transfer time with unit conversion support.
FeaturedDownload Time Calculator
Use this download time calculator to estimate transfer time from file size and connection speed with unit conversion support.
Grouped by Topic
Tech tools are most useful when they reduce repetitive manual work while still making the result understandable. A strong technical calculator should save time, prevent avoidable mistakes, and present the output clearly enough for someone to act on it with confidence.