How to bulk rename images on Mac?

macOS has a built-in renaming tool in the Finder. You can select multiple files, right-click, and choose 'Rename'. While this is useful for simple tasks, it lacks advanced options like padded numbering control and a clear preview pane. Our online tool provides a more powerful and intuitive interface, allowing you to construct complex naming schemes and preview them in real-time without the limitations of the native Mac tool, making it a superior choice for larger or more complex jobs.

How to batch rename images in Windows 10 and Windows 11?

Windows File Explorer also has a basic batch renaming feature. If you select multiple files and press F2 (or right-click and rename), you can type a new name, and Windows will append a number in parentheses, like `image (1).jpg`, `image (2).jpg`. This is often not ideal for sorting or professional use. Our browser-based tool offers far more control, allowing you to use hyphens, padded sequential numbers, and custom text for clean, web-safe filenames that the Windows tool simply can't create.

Is it safe to bulk rename images online?

This is a valid concern, and the answer depends on the tool you use. Many online services require you to upload your files to their servers, which poses a privacy risk. However, our tool is fundamentally different and 100% safe. It operates entirely within your web browser using client-side JavaScript. Your photos are never transmitted over the internet or stored on any server, ensuring your data remains completely private and secure on your own computer.

Will batch renaming reduce my image quality?

Absolutely not. Renaming a file only changes its name, which is a piece of metadata stored by your computer's file system. It does not alter the actual data within the image file itself. The image's resolution, compression, color profile, and EXIF data (like camera settings and date taken) remain completely untouched and preserved. You can rename your high-resolution photos with confidence, knowing their quality will not be affected in any way.

Can I rename multiple images to have sequential numbers?

Yes, that is one of the core features of our bulk renaming tool. You can specify a base name (e.g., 'vacation-photo-') and then have the tool automatically append an incrementing number to each file. You have full control over the starting number, the step increment (e.g., count by 1, 2, or 5), and the format of the number, including using padding (`001, 002...`) for proper sorting.

What is the best way to quickly rename a bunch of images from my vacation?

The best method is to use a consistent and descriptive pattern. A great starting point is to use the location and date. For example, you could use our tool to set the base name to `Paris-Trip-2024-` and start the sequential numbering at `001`. This would instantly transform your `IMG_1234.JPG` and `IMG_1235.JPG` into `Paris-Trip-2024-001.jpg` and `Paris-Trip-2024-002.jpg`, making them easy to find and browse later.

Does this tool work for different file types like PNG, WEBP, or HEIC?

Yes, our tool is file-type agnostic. It renames the file, regardless of its extension. You can select a mix of `.jpg`, `.png`, `.gif`, `.webp`, `.heic`, or any other image format in a single batch. The tool will preserve the original file extension for each image, so a `.png` file will remain a `.png` file after being renamed. It simply changes the part of the filename before the extension.

Batch Rename Photos & Images with Custom Numbering

Rename multiple image files directly in your browser and download the result as ZIP.

Privacy first

Files never leave your browser
No server upload
Processed locally on your device

What Exactly is Bulk Image Renaming?

Bulk image renaming, also known as batch renaming, is the process of renaming multiple image files simultaneously using a predefined set of rules or a naming template. It's far more sophisticated than simply changing one filename at a time. This process allows you to apply a consistent and logical naming structure across a large collection of images automatically. Think of it as a powerful find-and-replace command combined with a smart sequencer for your file system. A robust bulk rename tool allows you to construct a new filename from various components. You can add a common prefix (e.g., `Summer-Trip-`), a sequential number that automatically increments for each file (`001`, `002`, `003`), and a suffix. Advanced functionality often includes the ability to add dates, change case (e.g., from `UPPERCASE` to `lowercase`), replace specific characters or words within existing filenames, and even strip out unwanted text. The core principle is efficiency and consistency. Instead of performing a repetitive task hundreds of times, you define the logic once and let the software execute it flawlessly across the entire set of images, saving you immense amounts of time and ensuring your files are organized, sortable, and easy to find.

Why Use Our Tool Over Other Methods?

Absolute Privacy (Browser-Based): Our tool is different. It uses the power of your own browser to perform the renaming. Your images are never uploaded to any server; they stay on your computer the entire time, guaranteeing 100% privacy and security.. This client-side processing means you can confidently rename sensitive client work, personal family photos, or unreleased product images without worrying about who might be seeing them.

Zero Installation or Setup: Our renamer works instantly in any modern web browser like Chrome, Firefox, or Safari. There is nothing to install. You simply visit the page, and the tool is ready to use immediately on any operating system (Windows, Mac, Linux).. This makes it the perfect 'on-the-go' solution. Whether you're on your main workstation or a borrowed laptop, you have access to a powerful batch renaming utility without any setup.

Completely Free, No Hidden Costs: Our tool is genuinely free, with no strings attached. You can rename as many images as you want, as often as you want. There are no file limits, no premium features held back, and no need to create an account or sign up for a newsletter.. We believe essential utilities should be accessible to everyone. This tool is perfect for students, hobbyists, and professionals who need a quick solution without the financial commitment.

Intuitive and User-Friendly: We designed our interface with clarity in mind. With clear labels, logical workflow, and a real-time preview, even a first-time user can confidently bulk rename hundreds of images in seconds. What you see is what you get.. This focus on user experience eliminates the guesswork and potential for error, allowing you to get the job done quickly and move on to your next task.

Blazing Fast Performance: By leveraging your computer's local processing power, our tool operates at incredible speeds. Renaming is nearly instantaneous because there's no upload/download bottleneck. The only limit is the speed at which your browser can zip the final files.. For time-sensitive projects, this speed is a game-changer. Don't wait for uploads; get your files renamed and ready for use in a fraction of the time.

How to Batch Rename Images in 5 Simple Steps

Our tool is designed for speed and simplicity. You can go from a chaotic folder to a perfectly organized set of images in under a minute. Follow these steps to master the process.

Select Your Images: Begin by gathering the images you want to rename. You can either drag and drop your entire folder of images directly onto the designated area on this page or click the 'Select Images' button to open your system's file navigator. Don't worry about the number of files; our tool is built to handle hundreds of images at once. The entire process happens in your browser, so your files are never uploaded to our servers, ensuring your privacy is completely protected.
Define Your New Naming Pattern: This is where you create the structure for your new filenames. You'll see several fields that let you build a template. For example, you can enter a 'Base Name' like `New-York-Trip-2024`. This text will be the foundation for all your new filenames, providing context and making them easily searchable later.
Configure Numbering and Separators: To ensure each filename is unique, you'll want to add sequential numbering. You can specify the 'Starting Number' (e.g., `1`, `100`) and the 'Step' (usually `1`). You can also define the separator character that goes between your base name and the number. A hyphen (`-`) is the most common and web-friendly choice, resulting in filenames like `New-York-Trip-2024-001.jpg`.
Preview the Changes in Real-Time: As you define your naming pattern, our tool will instantly generate a live preview of your new filenames alongside the original ones. This is a crucial step that allows you to catch any potential mistakes before committing to the change. Scroll through the preview list to ensure the sequence is correct, the separators look right, and the base name is exactly as you intended. This 'dry run' feature prevents the headache of having to rename everything a second time.
Rename & Download Your Images: Once you are satisfied with the preview, simply click the 'Rename and Download' button. The tool will process all the images in your browser at high speed, applying the new names. When finished, it will automatically package all the renamed images into a single `.zip` file and prompt you to save it. This makes downloading hundreds of files as easy as downloading one.

Professional Tips for Renaming Image Files

Create SEO-Friendly Filenames: If your images are destined for the web, their filenames matter for search engine optimization (SEO). Always use lowercase letters, separate words with hyphens (`-`), not underscores (`_`) or spaces, and incorporate relevant keywords. A filename like `fujifilm-xt5-camera-body-silver.jpg` is far more valuable to search engines than `PROD_123.jpg`.

Use Padded Numbering for Correct Sorting: When using sequential numbers, always use padding. This means if you have more than 9 files but fewer than 100, start your numbering at `01`. If you have more than 99, start at `001`. This ensures that files sort correctly in every file explorer; `image-01.jpg`, `image-02.jpg`... `image-10.jpg` will appear in the right order, whereas `image-1.jpg`, `image-10.jpg`, `image-2.jpg` will not.

Perform a 'Dry Run' on a Small Batch: Before you drag and drop 1,000 images into the tool, test your naming scheme on a small sample of 3-5 images first. This allows you to quickly check the output and make sure your pattern, separators, and numbering are exactly what you want. This simple five-second check can save you the major headache of having to fix a mistake across a massive batch of files.

Establish a Consistent Naming Convention: For long-term projects or your entire photo library, create a personal naming convention and stick to it. A popular format is `[Event/Subject]-[YYYY-MM-DD]-[Sequence]`. For example, `Eiffel-Tower-Trip-2023-10-15-001.jpg`. This makes your entire digital archive instantly searchable and sortable by date or event, creating a future-proof organization system.

Real-World Scenarios for Mass Renaming Images

📸 For Professional Photographers: After a wedding or event shoot, you're left with thousands of images named `_DSC5821.NEF`. Use our tool to batch rename them to `ClientName-Event-Date-Sequence.jpg` (e.g., `Smith-Wedding-2024-07-28-001.jpg`). This makes sorting, editing, and delivering the final gallery to your clients incredibly professional and organized.

💻 For Web Developers & SEO Specialists: Image filenames are a factor in search engine optimization. Instead of uploading `product-image-final-v2.png`, you can quickly rename a batch of product photos to follow a keyword-rich pattern like `brand-model-color-view.webp` (e.g., `nike-air-max-blue-side.webp`). This improves image SEO and site organization.

📈 For Marketing & Social Media Teams: Organize assets for a campaign by renaming them `CampaignName-Platform-Date-Version.png` (e.g., `SummerSale24-Instagram-Post-01.png`). This system ensures every team member can find the correct asset instantly, preventing confusion and streamlining the content creation workflow across different platforms.

For Personal Archiving: Finally, tackle that chaotic 'Family Photos' folder. Convert years of `IMG_xxxx.JPG` files from different phones and cameras into a consistent format like `Event-Year-Month-Number.jpg` (e.g., `Beach-Vacation-2023-08-001.jpg`). This makes your digital memories browsable, searchable, and preserves the context for future generations.

🔬 For Researchers and Academics: When compiling visual data, such as microscope images or scanned documents, consistent naming is critical for data integrity. Batch rename files to `ExperimentID-Subject-Date-SampleNumber.tiff` to maintain a clear and auditable trail for your research data, making analysis and peer review much more straightforward.

How to use this tool

Begin by gathering the images you want to rename. You can either drag and drop your entire folder of images directly onto the designated area on this page or click the 'Select Images' button to open your system's file navigator. Don't worry about the number of files; our tool is built to handle hundreds of images at once. The entire process happens in your browser, so your files are never uploaded to our servers, ensuring your privacy is completely protected.
This is where you create the structure for your new filenames. You'll see several fields that let you build a template. For example, you can enter a 'Base Name' like `New-York-Trip-2024`. This text will be the foundation for all your new filenames, providing context and making them easily searchable later.
To ensure each filename is unique, you'll want to add sequential numbering. You can specify the 'Starting Number' (e.g., `1`, `100`) and the 'Step' (usually `1`). You can also define the separator character that goes between your base name and the number. A hyphen (`-`) is the most common and web-friendly choice, resulting in filenames like `New-York-Trip-2024-001.jpg`.
As you define your naming pattern, our tool will instantly generate a live preview of your new filenames alongside the original ones. This is a crucial step that allows you to catch any potential mistakes before committing to the change. Scroll through the preview list to ensure the sequence is correct, the separators look right, and the base name is exactly as you intended. This 'dry run' feature prevents the headache of having to rename everything a second time.
Once you are satisfied with the preview, simply click the 'Rename and Download' button. The tool will process all the images in your browser at high speed, applying the new names. When finished, it will automatically package all the renamed images into a single `.zip` file and prompt you to save it. This makes downloading hundreds of files as easy as downloading one.

Related tools

FAQ

How to bulk rename images on Mac?: macOS has a built-in renaming tool in the Finder. You can select multiple files, right-click, and choose 'Rename'. While this is useful for simple tasks, it lacks advanced options like padded numbering control and a clear preview pane. Our online tool provides a more powerful and intuitive interface, allowing you to construct complex naming schemes and preview them in real-time without the limitations of the native Mac tool, making it a superior choice for larger or more complex jobs.
How to batch rename images in Windows 10 and Windows 11?: Windows File Explorer also has a basic batch renaming feature. If you select multiple files and press F2 (or right-click and rename), you can type a new name, and Windows will append a number in parentheses, like `image (1).jpg`, `image (2).jpg`. This is often not ideal for sorting or professional use. Our browser-based tool offers far more control, allowing you to use hyphens, padded sequential numbers, and custom text for clean, web-safe filenames that the Windows tool simply can't create.
Is it safe to bulk rename images online?: This is a valid concern, and the answer depends on the tool you use. Many online services require you to upload your files to their servers, which poses a privacy risk. However, our tool is fundamentally different and 100% safe. It operates entirely within your web browser using client-side JavaScript. Your photos are never transmitted over the internet or stored on any server, ensuring your data remains completely private and secure on your own computer.
Will batch renaming reduce my image quality?: Absolutely not. Renaming a file only changes its name, which is a piece of metadata stored by your computer's file system. It does not alter the actual data within the image file itself. The image's resolution, compression, color profile, and EXIF data (like camera settings and date taken) remain completely untouched and preserved. You can rename your high-resolution photos with confidence, knowing their quality will not be affected in any way.
Can I rename multiple images to have sequential numbers?: Yes, that is one of the core features of our bulk renaming tool. You can specify a base name (e.g., 'vacation-photo-') and then have the tool automatically append an incrementing number to each file. You have full control over the starting number, the step increment (e.g., count by 1, 2, or 5), and the format of the number, including using padding (`001, 002...`) for proper sorting.
What is the best way to quickly rename a bunch of images from my vacation?: The best method is to use a consistent and descriptive pattern. A great starting point is to use the location and date. For example, you could use our tool to set the base name to `Paris-Trip-2024-` and start the sequential numbering at `001`. This would instantly transform your `IMG_1234.JPG` and `IMG_1235.JPG` into `Paris-Trip-2024-001.jpg` and `Paris-Trip-2024-002.jpg`, making them easy to find and browse later.
Does this tool work for different file types like PNG, WEBP, or HEIC?: Yes, our tool is file-type agnostic. It renames the file, regardless of its extension. You can select a mix of `.jpg`, `.png`, `.gif`, `.webp`, `.heic`, or any other image format in a single batch. The tool will preserve the original file extension for each image, so a `.png` file will remain a `.png` file after being renamed. It simply changes the part of the filename before the extension.