Private grading desk

Grade the work.
Keep the names out of it.

Your ZIP is opened and deidentified in this browser. Only anonymous PDFs plus the answer key and grading instructions are sent to the grader.

Student submissions

A ZIP containing PDF files, usually one folder per student.

Choose ZIP archive

Answer key & instructions

Upload the answer key, then add any assignment-specific grading directions.

Add answer key

Additional grading instructions optional

Secure connection

Use the configured server key, or enter a key for this session only.

OpenAIAnthropicGemini

0/3 entered · held in memory and never saved in this browser.

Deidentification controls

Prepare anonymous working copies

Extra names or IDs to redact optionalTop-of-page redaction band 8%First page onlyApply the top redaction band only to page 1

Automatic preparation rasterizes every page to remove hidden text, metadata, form fields, and annotations; it also covers matching typed identifiers and the selected header band. Preview the anonymous PDFs before grading because handwriting or names elsewhere on a scanned page may require manual redaction.

Parallel grading

Five PDFs in parallel.

One PDF per request. Select any submissions, including previously graded files, to save separate attempts for comparison. Grade the next five simultaneously, or use Autorun All to keep up to five PDFs active until the ungraded queue is finished. Files start in queue order and feedback stays in that order, even when results arrive at different times. Matching partial PDFs are stitched before grading. Choose GPT-6 Luna, GPT-6 Sol, Claude Opus 5, Claude Sonnet 5, Gemini 3.1 Pro Preview, or Gemini 3.8 Flash. An optional independent audit can use its own model and effort settings.