Bitwise Calculator

How bitwise operations work in seconds: Enter two integers and pick an operator — AND, OR, XOR, NOT, left shift, right shift, or zero-fill right shift. The tool computes the result using JavaScript 32-bit two’s-complement semantics and displays it in decimal, 32-bit binary grouped by bytes, and hexadecimal. The binary readout lines up flags visually so you can see exactly which bits are set in each result, making it easy to verify which permissions or flags are active at a glance.

Why bitwise math matters for USA developers: Permission systems, feature flags, and hardware registers all use individual bits to represent on-off states. Austin embedded teams debugging $2,000 IoT devices need to know that 60 AND 13 equals 12 before burning $5,000 firmware on 09/01/2026. Chicago network engineers configuring $10,000 firewall rules must understand that OR combines flags while XOR toggles them. Miami security analysts auditing $500 per month VPN permissions check that each permission bit maps to the intended access level without granting unintended privileges.

Two’s complement and sign handling: JavaScript coerces operands to 32-bit signed integers. NOT 60 equals negative 61 because flipping all 32 bits including the sign bit produces the two’s-complement negation. Right shift with >> preserves the sign bit; >>> always fills with zeros, turning negatives into large positive values. The tool explains this in the binary output so you can debug overflow issues in $100,000 trading systems or $15,000 API gateway configurations running in production.

Bit shift patterns and use cases: Left shift by N is equivalent to multiplying by 2 to the Nth power, and unsigned right shift by N divides by 2 to the Nth power rounding down. These patterns appear in performance-critical code, hash function implementations, and network protocol parsing. Denver backend developers testing $15,000 API feature flags and Seattle systems administrators checking $8,000 per server kernel module bits rely on these operations daily for production systems.

Privacy, local execution, and practical workflow: All calculations run entirely in your browser. No values are transmitted to any server, stored, or logged, making the tool safe for computing bitmasks on proprietary hardware configs, security permission sets, and financial system flags. Paste your two values, select the operator, and review the binary breakdown. Use this when building permission bitmasks for a $2,000 monthly SaaS plan on 09/15/2026, auditing firewall rules, or teaching binary arithmetic to students. Close the tab and all input vanishes at $0 cost.