Free online tools.
Browser-based utilities for text, code, and everyday tasks.
Text Tools
- Text Formatter & Cleaner Strip HTML, fix whitespace, and clean up text copied from Word or the web.
- Word & Character Counter Instantly count words, characters, sentences, and estimate reading time.
- Case Converter Convert text to title case, UPPER, lower, camelCase, snake_case, and more.
- Text Diff Tool Compare two texts and see exactly what changed, line by line.
- Slug Generator Convert any title or phrase into a clean URL slug instantly.
- Meta Tag Previewer Preview your Google snippet, Open Graph card, and Twitter Card. Generate ready-to-copy meta tags.
Generator Tools
Developer Tools
- JSON Formatter Pretty-print and validate JSON instantly in your browser.
- Base64 Encode / Decode Encode or decode Base64 strings without leaving your browser.
- Regex Tester Test regular expressions in real time with match highlighting and capture groups.
- URL Encoder / Decoder Encode or decode URLs and URL components instantly.
- Markdown Previewer Write Markdown and see a live HTML preview side by side.
Conversion Tools
Calculator Tools
- Percentage Calculator Calculate percentages, increases, decreases, and more.
- Tip Calculator Calculate the tip and split the bill among any number of people.
- Age Calculator Find your exact age in years, months, and days plus your next birthday countdown.
- Date Difference Calculator Count the days, weeks, months, years, and business days between two dates.
Free online tools for everyone
HelperTab is a collection of free, browser-based utilities built for the tasks you reach for most. Whether you need to clean up copied text, generate a secure password, or format some JSON, you'll find a fast and focused tool here — no account required.
Every tool runs entirely in your browser. Nothing is sent to a server. No data is collected. HelperTab is designed to be the quickest path from "I need to do X" to actually having it done.
We're building out the collection steadily. If there's a browser-based utility you want to see, use the Request a Tool page.