Privacy-First Document & Data Validation Tools
Browser-local validation tools for working files you prefer not to upload. No account is required. Selected file contents are processed in your browser and are not uploaded to BigBears; ordinary site analytics and advertising may still load.
CSV Import Preflight Validator
Validate CSV files before uploading to Salesforce, HubSpot, Shopify, or any platform. Detects encoding issues (UTF-8 BOM), delimiter mismatches, missing required fields, data type violations, and duplicate keys — all in your browser.
- Schema presets: Salesforce, HubSpot, Shopify, custom
- Encoding selection (UTF-8, UTF-16, ISO-8859-1, CP1252) plus BOM warnings
- Delimiter auto-detection or manual override
- Required field, data type, regex pattern validation
- Downloadable error report (CSV + JSON)
- Client-side parsing with Papa Parse
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PDF Print Preflight Validator
Inspect PDF page dimensions and declared MediaBox, CropBox, TrimBox, and BleedBox values locally before sending a file to a printer.
- TrimBox / BleedBox / ArtBox / CropBox inspection
- Bleed adequacy check (3mm / 0.125in standard)
- Rendered page-size comparison
- Declared PDF page-box inspection
- Expected trim-size comparison
- Explicit limitations for color, PPI, fonts, overprint, transparency, and PDF/X checks
- Downloadable JSON report
- Client-side PDF.js processing
View all tools & technical details →
Why Zero-Upload Matters
- File boundary: selected file contents are not submitted to BigBears by these tools
- Local processing: checks run in the current browser tab without a file-upload step
- Device limits: speed and maximum usable file size depend on the browser, memory, and device
- Transparent scope: each tool states what it can and cannot verify
BigBears — Browser-local validation evidence pilots. Last updated: 2026-09-05.
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