Free Tools
Fast, free, no-signup developer tools that run entirely in your browser. Nothing is uploaded, and there are no ads or limits.
Free AI Domain Name Generator
Describe your idea and get brandable, available domain name ideas from AI. Sign in to search.
Cron Expression Visualizer
Visualize any cron expression as a weekly timeline, see the next run times, and read crontab syntax in plain English.
FFmpeg Command Generator and Cheat Sheet
Build FFmpeg commands visually. Convert, compress, resize, trim, and turn video into GIF without memorising the syntax. Free and runs in your browser.
JSON Formatter & Validator
Free online JSON formatter, validator and beautifier. Format, validate and minify JSON instantly in your browser, with clear error messages.
JWT Auditor
Decode a JSON Web Token and audit it: alg none, key injection headers, missing or long expiry, and more. Nothing leaves your browser.
Security Headers Analyser
Paste your response headers and get a graded report of what is missing and what an attacker gains from each gap. Works on localhost and staging, which online scanners cannot reach.
Typing Speed Test
Free online typing speed test. Measure your typing speed in words per minute (WPM) and accuracy live, right in your browser. No signup.
Word & Character Counter
Free online word and character counter. Count words, characters, sentences, paragraphs and reading time instantly. Includes common social media and SEO character limits.
Chmod Calculator
Calculate Unix file permissions and the chmod command from read, write, and execute checkboxes.
HTTP Status Codes
A searchable reference of every standard HTTP status code with its name and meaning.
Color Contrast Checker (WCAG)
Check text and background contrast against WCAG AA and AAA accessibility standards.
CSS Box-Shadow Generator
Design a CSS box-shadow visually with live preview and copy the code in one click.