Small tools for everyday tasks
All In One Multiple Tools brings text checks, image conversion, PDF merging, JSON formatting, website diagnostics, and simple calculations into one browser-based directory. You can use the listed tools without creating an account.
Choose a tool by the result you need
Use JPG to WebP for photographs and PNG to WebP for transparent graphics. Use the Word & Character Counter for length estimates, JSON Formatter to inspect structured data, and Merge PDF to combine compatible document pages. Each listed page explains its controls, examples, and limitations.
What our checks can and cannot establish
The grammar checker uses a small set of rules. The passage comparison counts shared words without searching the web. The AI Content Detector shows writing patterns and cannot establish authorship. The SEO score is our own checklist, not a Google rating. Important results need your review.
Data processing
Many tools calculate or convert files locally. Website diagnostics send the target address to our server; domain lookups use an external RDAP service. PDF processing loads a library from a CDN. Advertising and analytics have separate data practices described in the Privacy Policy. Avoid entering secrets or confidential records.
Maintenance and corrections
The public directory focuses on tools with individual guides. Other existing URLs may remain available while their documentation is reviewed. We compare known inputs with outputs and update inaccurate examples and unsupported claims. This does not mean that every browser, file, or edge case has been tested.
Found a problem? Include the tool name, browser, expected result, and a non-sensitive example in a bug report. For other questions, use the contact page.