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.
- Hash Generator Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files instantly.
- Code Minifier Minify JavaScript, CSS, and HTML in your browser. Strip comments, collapse whitespace, and see exact byte savings.
- Unix Timestamp Converter Convert Unix timestamps to human-readable dates and back. Auto-detects seconds vs. milliseconds with a live epoch clock.
- CSS Generator Generate CSS gradients, box shadows, and border radius styles visually with live previews and copy-ready output.
Conversion Tools
Image Tools
- Image Compressor Compress JPEG and PNG images in your browser. Reduce file size by up to 80% with no upload required.
- Image Resizer Resize JPEG, PNG, and WebP images by pixel dimensions or percentage scale. No upload required.
- Image Format Converter Convert JPEG, PNG, WebP, and GIF images to any other format in your browser. Batch convert up to 5 files at once.
Finance 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 Calculator Add or subtract days, weeks, months, or years from any date to find a result date.
- Date Difference Calculator Count the days, weeks, months, years, and business days between two dates.
- Sleep Calculator Find your ideal bedtime or wake-up time based on 90-minute sleep cycles.
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. The text and data you enter are never sent to our servers — all processing happens locally. We use Google Analytics to understand how the site is used and display ads to keep it free. See our Privacy Policy for details.
We're building out the collection steadily. If there's a browser-based utility you want to see, use the Request a Tool page.