Local by default
The operation runs in this browser without an implicit file upload.
GST Return Preflight Online Free
Validate GSTR-1 source data, compare GSTR-3B totals, reconcile GSTR-2B/IMS records, import portal errors, and export a filing audit. · processed on this device
GST return workspace
Check the return before the portal does
Add the files you have. The preflight identifies each source by its filename and columns, then creates a reviewable audit.Sales / GSTR-1Invoice-level outward supply data
GSTR-3BPortal or books liability summary
Purchase + 2B / IMSITC matching and supplier gaps
Portal error reportRows rejected by GST portal
Use clear filenames such as sales-register, gstr3b, purchase-register, gstr2b, ims, or portal-errors to improve automatic classification.
Native content
Native text, vectors, forms, or document structure are preserved whenever the operation supports them.
Clear controls
Configure gst return preflight with focused options and an honest preview.
Instant download
Create and download the result without an account or watermark.
How to use GST Return Preflight
Choose your files
Select one or more supported files from your device. The source remains under your control.
Configure gst return preflight
Review the available settings and preview the intended result before processing.
Process in your browser
The operation runs in this browser without an implicit file upload.
Review and download
Inspect the result, then save the new file. Your original source is left unchanged.
GST Return Preflight questions
Is GST Return Preflight private?
The operation runs in this browser without an implicit file upload.
Will the output stay searchable?
Native text, vectors, forms, or document structure are preserved whenever the operation supports them.
Do I need an account to use GST Return Preflight?
No. You can use the tool and download its result without creating an account.
GST Notice & Appeal Pack
Prepare form-specific SCN, appeal, refund, communication, and annexure PDFs with verified limits, labeling, page checks, originals, and a SHA-256 manifest.
GST Invoice
Create a searchable Indian GST invoice with line-level paise arithmetic, CGST/SGST or IGST treatment, and a JSON audit trail.
CSV to PDF
Parse RFC-style CSV locally and render its rows as selectable PDF table text.