Reviewed 2026-08-28
Reliable Browser Batch Conversions
Use bounded workers, isolated failures, checkpoints, retries, and summaries.
Example input
2000 files; workers=4; commit=50; retries=2
Expected output
1992 complete; 8 failed; checkpoint saved
Reproducible method
- Preserve the original and create the smallest representative sample.
- Run a strict parse or validation before transformation.
- Record options, compare counts and structure, then test in the receiving system.
Common error
Unlimited concurrency stalls browsers and retries deterministic errors.
Reduce a failure while retaining the problematic structure; this separates malformed input from unsupported behavior.
Technical limitation
Browser lifetime and device resources constrain very large jobs.
A successful preview does not remove format ambiguity or downstream requirements.
Security and privacy
Store hashes and errors without retaining unnecessary source data.
Local processing reduces transfer risk but cannot protect a compromised browser, unsafe extensions, clipboard history, or later misuse.
Verification checklist
- Check field, record, page, or byte counts.
- Review edge cases and error output.
- Retain the original until acceptance.
- Document assumptions for automation.