Free scripts for designers and sellers
Small, free tools that do the boring file jobs in bulk: rename files, zip them for upload and convert between vector formats in Adobe Illustrator. Each one comes with its full code and step-by-step instructions.
Python scripts

Clean Up File Names in Bulk (Free Python Script)
Free Python script that renames every file in a folder to clean, lowercase, web-safe names: no spaces, accents or symbols.

Find and Replace Text in File Names (Free Python Script)
Free Python script to bulk rename files and folders by replacing a character or word in their names, including all subfolders.

Remove Numbers From the End of File Names (Free Script)
Free Python script that strips trailing numbers such as _01, -2 or (space)3 from file names in a folder and all its subfolders.

Zip EPS and JPG Pairs for Stock Uploads (Free Script)
Free Python script that puts each EPS vector and its matching JPG preview into one ZIP file, ready for stock site and marketplace uploads.

Zip Files by Type: One ZIP per Extension (Free Script)
Free Python script that sorts a folder into one ZIP per file type: svg.zip, png.zip, eps.zip. Handy for preparing digital download packs.
Adobe Illustrator scripts

Batch Convert AI to SVG and EPS in Illustrator (Free Script)
Free Illustrator script that converts folders of AI files to SVG, EPS or both, and resizes each EPS to just under 25 megapixels for Shutterstock.

Batch Convert EPS to JPG in Illustrator (Free Script)
Free Adobe Illustrator script that exports a JPG for every EPS file in a folder at 300 DPI or any resolution, keeping the same file names.

Batch Convert SVG to AI With Artboard Clipping Masks
Free Illustrator script that converts folders of SVG files to editable, PDF-compatible AI files and clips each layer to the artboard.

Batch Convert SVG to DXF in Illustrator (Free Script)
Free Adobe Illustrator script that converts a folder of SVG files to DXF for Silhouette Studio, laser cutters, CNC machines and CAD software.

Batch Convert SVG to EPS in Illustrator (Free Script)
Free Adobe Illustrator script that converts a whole folder of SVG files to Illustrator 10 EPS, the format Shutterstock requires for vectors.