Text Duplicate Remover (web-toolbox.dev)
Free tool for detecting and removing duplicate lines from text. Useful for removing duplicates from lists or cleaning up log files.
Text Line Joiner (web-toolbox.dev)
Free tool for joining multiple lines of text into one with a specified delimiter. Useful for creating comma-separated lists or SQL IN clauses from multi-line input.
Text Prefix / Suffix (web-toolbox.dev)
Free tool for bulk-adding specified strings to the beginning or end of each line of text. Streamlines text editing tasks such as adding quote marks or inserting comment symbols.
Text Sorter (web-toolbox.dev)
Free tool for sorting lines of text in ascending, descending, or random order. Quickly sort name lists, number lists, and more.
URL Bulk Opener (web-toolbox.dev)
Free tool for opening multiple URLs at once. Just paste URLs one per line and click the button to open all of them in new tabs simultaneously.
WebP Converter (web-toolbox.dev)
Free tool for converting image files to WebP format in the browser. Supports conversion from PNG, JPG, and other formats with quality adjustment to generate lightweight images.
Word Counter (web-toolbox.dev)
Free tool for real-time counting of words, characters, sentences, and more in English text. Useful for checking character limits in English writing and SEO content.
Area Converter (www.oh-benri-tools.com)
An online tool for converting area units. Supports numerous units including square meters, square kilometers, and tatami mats, with customizable significant figures and rounding methods. Also supports area comparisons with familiar landmarks.
BMI Calculator (www.oh-benri-tools.com)
An online tool that calculates BMI by dragging sliders for height and weight. Displays body type classification in real time, with an option to download the result as an image.
Calculator (www.oh-benri-tools.com)
An online calculator for performing arithmetic calculations in a browser. Supports mouse or keyboard input, and multiple calculators can be used simultaneously. Also supports automatic sum and average calculation across multiple instances.
Length Converter (www.oh-benri-tools.com)
An online tool for converting length units. Supports numerous units including km, cm, mm, inches, feet, miles, and light years, with customizable significant figures and rounding methods.
Weight Converter (www.oh-benri-tools.com)
An online tool for converting weight units. Results in multiple units are displayed instantly after input, with customizable significant figures and rounding methods.
