Aba is a tool for replacing text in multiple files. With Aba, you can quickly correct errors on your web pages, replace banners and copyright notices, change method names, and perform other text-processing tasks. Features: search-as-you-type interface, multi-line search and replace, regular expression support, Unicode support, search history, favorites, undo for any replacement, and command-line interface. The recent version adds converting Unix/JavaScript timestamps to dates and vice versa; encoding and decoding Base64, URL encoding, and HTML entities.
Aba Search and Replace lets developers perform fast, regex-based search and replace across multiple files on Windows.
- for
- Web developers, testers, and analysts who need bulk text manipulation.
- pricing
- paid
works withWindows ExplorerTotal CommanderFree Commander
Key features
8 features of Aba Search and Replace
- Search-as-you-type — Shows incremental results instantly as you type the search pattern.
- Multi-line & Unicode support — Handles multi-line patterns and UTF-8/UTF-16 files.
- Regular expression engine — Full regex with lookaround, non-greedy matching and syntax highlighting.
- Conversion utilities — Convert Unix/JS timestamps, Base64, URL, HTML entities and decode JWTs.
- Undo & history — Undo any replacement and keep search history and favorites.
- Command-line interface — Run search and replace operations from scripts or terminals.
- Explorer integration — Access replace functionality from Windows Explorer, Total Commander and Free Commander.
- Dark mode & syntax highlight — Dark UI with highlighting for many programming languages.
Use cases
- Update headers, meta tags, or copyright notices across dozens of HTML files.
- Rename classes, methods or function signatures in a large codebase.
- Convert timestamps to readable dates while debugging binary logs.
- Decode Base64 or URL-encoded strings copied to the clipboard.
- Add width/height attributes to <img> tags in bulk HTML files.
Aba Search and Replace FAQ
Does Aba work offline?+
Yes, all processing is done locally on your computer; no data is sent to the cloud.
Can I use regular expressions easily?+
The search-as-you-type interface provides instant feedback and syntax highlighting to help build regex patterns.
Is there an undo option?+
Yes, any replacement can be undone, and you can revert changes across all affected files.
What file encodings are supported?+
Aba can replace text in UTF-8 and UTF-16 files.
How do I access it from the file manager?+
Aba integrates with Windows Explorer, Total Commander and Free Commander via context-menu entries.
Is there a portable version?+
A portable version is available for download.
Summarized by DevHunt from abareplace.com · Oct 8, 2026. Details may change; check the official site.
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