Calculators, mappers and checklists for everyday TDS work — updated for the Income-tax Act, 2025 and built by the team behind OnlineTDS Software.
These free tools are built by the team behind OnlineTDS Software, an NSDL-approved, cloud based TDS return filing software used by more than 10,000 users. Each one is updated for Tax Year 2026-27 under the Income-tax Act, 2025 — new 4-digit payment codes, Section 392/393/394, and the new Forms 138, 140, 141, 143 and 144 — while still covering the old rules for FY 2025-26 returns and corrections.
Need all of this done automatically, for unlimited deductors? That is what OnlineTDS Software does.
Explore OnlineTDSYes. All tools are free, need no login and run in your browser. Nothing you enter is stored.
Yes. They cover Tax Year 2026-27 rules — Section 392/393/394, new 4-digit payment codes and Forms 138, 140, 141, 143 and 144 — and the old rules where FY 2025-26 compliance is still running.
Look for TRACES integration, bulk PAN verification, challan matching, Excel import, correction returns and support for unlimited deductors. OnlineTDS Software offers all of these in a cloud based package.
OnlineTDS Software is a cloud based TDS return filing software for CAs and companies: TRACES integration, bulk PAN verification, Form 16/16A generation, correction returns and unlimited deductors.