Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match. Everything runs locally in your browser — nothing is uploaded.
Test XPath expressions against XML or HTML documents. Evaluates queries and displays matching results in real time. Checks XML parsing errors before evaluation.
Test string templates with {{variable}} placeholders against JSON variables.
Test any HTTP endpoint by sending GET, POST, PUT, or DELETE requests directly from your browser. View response status, headers, and body.
Convert time between different time zones. Enter a time and your source/target time zones and see the converted result. Everything runs locally in your browser — nothing is uploaded.
Comprehensive writing analysis dashboard — real-time word count, character count, sentences, paragraphs, syllables, reading time, speaking time, Flesch-Kincaid readability score, and vocabulary richness metrics.
Regex Tester lets you provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, Regex Tester runs entirely on your device with no internet connection needed. All processing is done locally.
As you type your regex pattern and test string, matches are highlighted instantly. The tool uses the JavaScript RegExp engine, so what you see is exactly how the pattern will behave in your code.
Yes. You can toggle common flags like global (g), case-insensitive (i), multiline (m), and dotAll (s) using checkboxes. The flags are applied to your pattern in real time.
Enter one pattern at a time, but you can test it against multiple sample strings. Paste different test cases to verify your regex handles all edge cases correctly.
The tool highlights matches visually. For a detailed breakdown of what each part of your pattern means, use a regex explanation tool alongside this tester.
No. Your pattern and test strings stay in your browser and are never transmitted anywhere. Everything runs locally using the regex.js library.
Bulk Regex Extractor & Replacer
Scan thousands of log files or codebase files for regex patterns (IPs, API keys, URLs) and extract or replace them. Visual builder for non-coders with live preview. Everything runs locally in your browser — nothing is uploaded.
Secret Scanner
Scan text and code for leaked secrets and credentials. Detects Stripe keys, GitHub tokens, Slack tokens, Google API keys, AWS keys, OpenAI keys, JWT tokens, private keys, and config passwords.