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Every tool in one place

34 focused utilities across 5 categories. Each one runs instantly in your browser — no accounts, no uploads, no waiting.

34 tools

PSU / PC Power Calculator

Estimate total system wattage and a recommended PSU size.

RAM Latency Calculator

Convert memory speed and CAS latency into true nanoseconds.

Display Bandwidth Calculator

Check if a resolution, refresh rate and color depth fit your cable.

RAID Capacity Calculator

Usable capacity and fault tolerance across RAID levels.

Storage & File Size Calculator

Convert between bytes, KB/MB/GB and KiB/MiB/GiB.

Local LLM VRAM Calculator

Estimate VRAM needed to run a model at a given quantization.

Subnet / CIDR Calculator

Network, broadcast, host range and mask from any CIDR.

Download / Upload Time Calculator

How long a transfer takes at a given connection speed.

JSON / Data Toolkit

Validate, format, minify and inspect JSON instantly.

Regex Tester

Test regular expressions with live matches and groups.

Base64 / URL / HTML Encoder-Decoder

Encode and decode Base64, URL and HTML entities.

Hash / Checksum Tool

Compute SHA-256/384/512 for text or files, plus CRC32 for text.

Unix Timestamp / Date Converter

Convert between Unix time and human-readable dates.

Cron Expression Builder

Build and read 5-field cron schedules in plain English.

Image Metadata / EXIF Viewer

Inspect image EXIF and metadata without uploading.

Image Compressor / Resizer

Resize and compress images locally with a canvas.

Text Difference Checker

Compare two texts and highlight what changed.

Duplicate / Text Cleanup Tool

Dedupe, sort, trim and clean up lists of text.

Password / Entropy Calculator

Measure password strength in bits of entropy.

AI Token & API Cost Calculator

Estimate API costs from token counts and your own pricing.

Word & Character Counter

Count words, characters, lines and reading time as you type.

Case Converter

Switch text between upper, lower, title and sentence case.

Duplicate Line Remover

Keep the first occurrence of each line in a list.

Sort Lines

Sort a pasted list A–Z, Z–A or in natural number order.

URL Slug Generator

Turn a title into a clean URL path segment.

Lorem Ipsum Generator

Generate one to twenty paragraphs of placeholder copy.

Base64 Encoder & Decoder

Encode or decode UTF-8 text as Base64 locally.

URL Encoder & Decoder

Escape URL components and decode percent-encoded text.

UUID v4 Generator

Generate random UUIDs with the browser crypto API.

JWT Decoder

Inspect token header and payload without verifying a signature.

Percentage Calculator

Find a percent of a number or measure a percent change.

Date Difference Calculator

Count the calendar days and weeks between two dates.

Aspect Ratio Calculator

Reduce dimensions to a ratio and scale proportionally.

URL Parser

Break a URL into host, path, query and fragment.

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