File naming can be a tedious, repetitive chore—especially for photographers, content creators, and data organizers. MKey 1.3.5 is a lightweight Windows tool that simplifies and accelerates batch file renaming. With intuitive pattern-based rules, metadata tagging, previews, and undo support, it’s ideal for professionals and casual users who need clean, consistent filenames and see MapKeyboard .
🔑 Core Features
🧩 Pattern-Based Renaming
Define custom templates using tokens like {name}, {date}, {seq}, and {ext} to rename large groups of files in just a few clicks.
🗓 Date-Time Insertion
Embed file creation or modification timestamps into filenames with customizable formats, helping with chronological organization of photo and document archives.
🔢 Sequence Numbering
Add sequential numbering (e.g. 001, 002…) to files, control start value, zero-padding, and order, useful when creating image galleries or versioned datasets.
🎛 Metadata Support
Extract metadata such as EXIF data from photos (camera model, date taken) and include it in filenames automatically.
🔍 Live Preview Mode
See exactly how filenames will look before committing changes, with side-by-side comparisons for verification.
↩️ Safe Undo
Revert any batch rename instantly, ensuring no accidental renames remain permanent.
🎯 Flexible Selection Tools
Filter file lists by extension, size, date, and custom text; choose only what matters for bulk operations.
🛠 Lightweight & Portable
Fast, minimal UI, minimal system impact, and portable by design—no installation required.
🆕 What’s New in Version 1.3.5
Improved performance on large batches with 10k+ files.
Enhanced EXIF parsing, capturing more detailed metadata.
Preview accuracy fixes for ambiguous filename patterns.
Bug fixes: resolved issues with metadata token errors on certain image formats; improved undo reliability.
User interface tweaks: clearer error messages and layout adjustments for better usability.
🧑💻 Use Cases
Photographers: Rename thousands of photos from events with patterns like
Wedding_{date}_{seq}.jpg.Content Creators: Prep video files as
ProjectName_Ep{seq}_{date}.mp4for consistency.Office Teams: Organize scanned documents with names like
Invoice_{date}_#001.pdf.Developers: Manage code or build artifacts with smart numbering and version tags.
Archivists: Sort historical files or research data using metadata-driven names.
✅ Benefits at a Glance
| Benefit | Description |
|---|---|
| Time-saving | Rename hundreds of files in seconds using templates. |
| Consistent naming | Enforce naming patterns across projects or teams. |
| Error-proof | Preview & undo features ensure safety. |
| Portable tool | No installation required; ideal for USB or mobile work. |
| Metadata-aware | Use EXIF or date data for smart filenames. |
| Scalable usage | Handles tens of thousands of files efficiently. |
✔ Tested: This software was tested on Windows 10 & Windows 11 and works smoothly without issues.
Frequently Asked Questions
- Is this software free?
Yes, it can be downloaded and used for free. - Does it support Windows 11?
Yes, it works perfectly on Windows 10 and 11. - Is it safe to use?
Yes, the software was scanned and tested before publishing.
Last updated: January 2026