Programlama ve teknoloji hesaplayıcıları

Sayı tabanları, bit işlemleri, özetler, kodlamalar, renkler, kontrast, alt ağlar, CIDR, UUID, RAID, cron ve JSON araçları.

17 hesaplayıcı · 125 doğrulanmış örnek

Sayılar ve bitler

Binary, hex and decimal converter
Convert numbers between binary, decimal, hex, octal and any base 2–36, including fractions, repeating digits and two's-complement bits for negatives.
Bitwise calculator (AND, OR, XOR, NOT and shifts)
Bitwise AND, OR, XOR, NOT, NAND, NOR, shifts and rotates on 8- to 64-bit integers, shown in decimal, hex and binary with a bit-by-bit grid.
Big-O time complexity calculator
Operation counts and running times for O(1), O(log n), O(n), O(n log n), O(n²), O(n³), O(2ⁿ) and O(n!) at your input size, on a log-scale chart.

Metin ve veri

Renk

Görüntü ve medya

Aspect ratio calculator (16:9, 4:3, 21:9)
Find the aspect ratio of any resolution, such as 1920 × 1080 = 16:9, resize it to a new width or height, or fit it in a screen with letterbox bars.

Ağ ve depolama

Güvenlik

Password strength checker and generator
Check a password's entropy in bits and its average brute-force crack time at a chosen guess rate, or generate a password from a reproducible seed.

Zamanlama

Cron expression parser and explainer
Translate a five-field cron expression or crontab line into plain English and list its next run times after any start date and time, in UTC.

Hesaplayıcı seçimi: Programlama

Select the representation, not just the number

A binary or hexadecimal string needs a base, and bitwise operations also need a width and signedness. A subnet calculation depends on the prefix length, not just an address. Color values use different coordinate systems, so identify whether the input is HEX, RGB or another format. JSON formatting can improve readability without changing the underlying data. Use a small known example before processing a long value to confirm the chosen mode.

Number bases · Bitwise operations · Subnet and CIDR

Validate in the intended environment

An encoding is not encryption, and a hash is not a way to recover the original input. Avoid entering secrets into shared URLs or public reports. Contrast calculations evaluate the selected colors; real interfaces also depend on text size, transparency, focus states and background context. Network and storage estimates rely on their stated conventions. Check results against the protocol or application that will consume them, including its permitted ranges and formatting rules.

Color conversion · Contrast checks · JSON validation