All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

Showing page 12 of 122 (12 tools on this page)

Calculate daylight hours, sunrise, and sunset times for any location and date

Automatically add spaces between Chinese characters and English/numbers to improve readability

Parse Apache/Nginx access logs using regex patterns and extract structured data

Validate variable names against multiple programming language naming conventions and standards

Clean and sanitize filenames by removing illegal characters for Windows, Linux, and Mac

Remove all non-alphanumeric special characters from text with flexible preservation options

Detect and remove duplicate lines with advanced options for mode, case sensitivity, and trimming

Remove all empty lines from text (lines with no content)

Remove single-line (//...) and multi-line (/*...*/) comments from code

Replace consecutive spaces/tabs with single space and trim line start/end whitespace

Create PDF documents with text, paragraphs, headers, footers, and page numbers

Create newspaper/magazine style documents with 2 or 3 columns