How to Stamp Image Files as Exhibits
Photographs, screenshots and scans can be stamped as exhibits without converting them first. Add the PNG, JPG, GIF, WebP, BMP, TIFF files directly; ExhibitPrep places each on a letter-size PDF page in your browser and stamps it like any other exhibit.
- ExhibitPrep accepts PNG, JPG, GIF, WebP, BMP, TIFF image files directly; no conversion to PDF is needed before uploading.
- Each image becomes one letter-size PDF page, and a multi-page TIFF scan becomes one page per scanned sheet, up to 100 pages per file.
- Images up to 20 megapixels are embedded at their original resolution; images between 20 and 50 megapixels are scaled to 20 megapixels before embedding.
- The limit per image file is 50 megapixels and 50 MB; larger images must be resized before adding them.
- iPhone HEIC photos cannot be read by browsers; share them as JPEG from Photos (Share › Options › Most Compatible) before adding them.
- Phone photos are rotated upright automatically from their EXIF orientation data, and transparent screenshots are placed on a white page.
- Multiple images can be added at once and batch-stamped with sequential labels, then combined into one PDF with an optional table of contents.
- No files are uploaded to a server during conversion or stamping; all processing runs in the browser, keeping photograph exhibits private.
5-Step Process for Stamping Image File Exhibits
Add the image files directly
Drop your PNG, JPG, GIF, WebP, BMP, TIFF files into ExhibitPrep alongside any PDFs (and any RSMF message exports, which become transcripts), or click the upload zone and choose them. Each image becomes one letter-size PDF page (a multi-page TIFF scan becomes one page per scanned sheet). The conversion runs in your browser; the photographs never leave your computer.
Check the preview
Each image appears in the document list as the page that will be stamped. Photos taken on a phone are turned the right way up automatically from their orientation data, and transparent screenshots are placed on a white page.
Select an exhibit stamp template
Choose a template that matches your role in the case. "Plaintiff's Exhibit" stamps sequentially with numbers (1, 2, 3) and "Defendant's Exhibit" with letters (A, B, C). For photographic evidence, the Deposition template adds the date of the photograph or the deponent's name alongside the exhibit label.
Position the stamp on the image
Drag the stamp to the bottom-right corner, the standard placement under most court rules. For landscape photographs, check that the stamp does not cover content near the right edge — zoom the preview to confirm. The position is applied consistently to every exhibit in the batch.
Download the stamped exhibit PDF
Click "Download" to save the stamped exhibit, or "Download All" for a ZIP containing every stamped PDF named with its exhibit label. You can also combine all image exhibits into one PDF with an optional table of contents.
Batch-stamp photograph and image exhibits in one session
Add the images directly, stamp each with sequential exhibit labels, and download a ZIP or one combined PDF of court-ready files in minutes.
Supported Image Formats and Limits
Added directly
- JPG / JPEG — photographs and camera images (EXIF orientation applied)
- PNG — screenshots, diagrams and document scans (8-bit stays lossless; 16-bit is stored at 8 bits per channel)
- TIFF — scanner and fax output, including multi-page and CCITT fax compression, stored losslessly page by page with the scanner's orientation and pixel shape applied (16-bit and CMYK pages are converted to 8-bit RGB)
- GIF, BMP — placed on a white page and re-encoded as PNG; WebP re-encoded as JPEG
Limits and exceptions
- 50 MB per image file
- Up to 20 megapixels embedded at full resolution; 20–50 megapixels scaled to 20; above 50 megapixels, resize first
- HEIC (iPhone), AVIF, SVG and camera RAW: export as JPEG or PDF from the app that made them, then add
- Animated PNG/GIF: the first frame is used
- After stamping, check e-filing size limits for your court
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Frequently Asked Questions
Do I need to convert my JPEG or PNG to PDF before stamping?
No. ExhibitPrep accepts PNG, JPG, GIF, WebP, BMP, TIFF files directly and places each one on a letter-size PDF page in your browser before stamping. Nothing is uploaded to a server, so there is no need to run photographs through a third-party conversion website first.
Does converting an image to a PDF exhibit reduce its quality?
Images up to 20 megapixels are embedded at their original resolution with no recompression (an 8-bit PNG stays lossless, JPEG data is copied as-is; a 16-bit PNG is stored at 8 bits per channel, the deepest this tool writes). Images between 20 and 50 megapixels are scaled to 20 megapixels before embedding, which still leaves a 600 DPI letter scan at well over 300 DPI — except black-and-white scans, which keep their full resolution at 1 bit per pixel up to 50 megapixels. Images above 50 megapixels must be resized before adding them.
Can I add iPhone HEIC photos, or do I need to export them as JPEG first?
Browsers cannot read HEIC, so ExhibitPrep asks you to share the photo as JPEG instead of failing silently. Share the photo as JPEG from Photos (Share › Options › Most Compatible), or set Settings › Camera › Formats › Most Compatible so the phone captures JPEG in the first place.
Can I stamp multi-page TIFF scans?
Yes. A multi-page TIFF (the format many scanners and fax systems produce) becomes one PDF page per scanned sheet, in order, up to 100 pages per file, and the pages are converted one at a time so a long scan does not need the whole file in memory at once. Fax pages are stored losslessly at 1 bit per pixel, so a 23-page fax stays a small PDF, and a standard-resolution fax (204×98 dpi) keeps its page shape. CCITT fax, LZW, PackBits, Deflate and JPEG-compressed TIFFs stored as YCbCr or grayscale are supported; JPEG-compressed TIFFs stored as RGB, tiled files that use a predictor or CCITT compression, separate-plane files, JPEG 2000, BigTIFF and unusual sample layouts (12-bit, floating-point, grayscale-with-alpha) are refused with a message that names the page and the layout, so export those as PNG or PDF from the scanner software rather than filing a page that decoded wrong.
Can I combine multiple image exhibits into a single PDF?
Yes. After adding the images, enable the "Combine exhibits" option. ExhibitPrep stamps each exhibit, then merges them into one PDF in the order shown, with an optional table of contents and slipsheet separator pages. The combined file is ready for filing or for printing as a trial binder.
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