Eliminate rejected listings, formatting friction, and repetitive operational chores. Explore 43 free offerings — from zero-install, in-browser interactive utilities running 100% locally in browser memory, to production-grade downloadable Python workflows that you can self-host forever at no software subscription cost.
Batch normalize product photographs for Shopify, Amazon, Etsy, and WooCommerce in seconds. Automatically centers and fits your product shots into standard square or custom canvases with smart safe padding, optional crop-to-fill, deterministic format conversion to WebP/JPEG, and instant compression inspection. Up to 50 images processed simultaneously without uploading a single byte to an external server.
📐 Multi-Marketplace Presets
Instant 1-click square dimensions for Shopify (2048px), Amazon (2000px), Etsy, and WooCommerce, plus freeform custom canvas dimensions up to 8,000 × 8,000 pixels.
🔒 Verified Client-Side Privacy
Source photographs and confidential unreleased catalogue imagery never leave your device. All rendering occurs in local browser memory with zero network egress.
🎨 Aspect Ratio Safe Padding
Preserves exact product geometry by default using seamless white, transparent, or custom canvas padding. Toggle crop-to-fill when edge-to-edge framing is preferred.
⚡ Modern WebP & ZIP Export
Convert bulky PNGs and raw JPEGs into lightweight WebP format. Compare file savings in real time and download all processed assets in a single deterministic ZIP archive.
Build clean, attribution-compliant campaign URLs for Google Analytics 4 and Shopify, and generate print-ready, high-resolution vector SVG and 300 DPI packaging QR codes. Preserves pre-existing query parameters and fragments per RFC 3986, separates WCAG screen accessibility from hardware camera scannability, and provides substrate sizing guidance for cartons, cards, and bottles with zero server uploads or tracking proxies.
📦 8 Campaign Presets
Instant 1-click presets for packaging box inserts, exterior product boxes, warranty registration, influencer PR kits, social bios, newsletters, and ad campaigns.
🔒 Zero Server Telemetry
100% browser-local execution. No third-party QR generation APIs, no tracking redirect proxies, and no merchant URL logging. Direct attribution into GA4 and Shopify.
🖨️ Print-Ready 300 DPI & SVG
Download pure vector SVGs for packaging die artwork and PNGs with embedded 300 DPI pHYs resolution metadata recognized natively by prepress software.
🔍 Dual Contrast & Sizing Audits
Separate WCAG 2.1 screen accessibility measurements from hardware optical scannability checks, with substrate sizing guidance for coated cards, cartons, and bottles.
Tool 03 · Live · Public Beta
Amazon IndiaFlipkart PayoutsAmazon UK (DSF)Amazon US (FBA)Discrepancy AuditTax Ledger & ITC
Global Marketplace Fee & Settlement Reconciler
Independent fee discrepancy detection and statutory tax ledger for online merchants (Public Beta — release verified). Parses Amazon Flat File V2/V3 and Flipkart Settlement reports entirely in client-side Web Worker memory against version-controlled, SHA-256 verified rate cards. Identifies commission overcharges, closing fee variances, volumetric shipping discrepancies, duplicate fee debits, and unmapped fee deductions with zero server uploads or external data transmission.
⚖️ 5-Tier Canonical Verdicts
Deterministic classification across VERIFIED, VERIFIED_VARIANCE, ESTIMATED (weight audits), UNMAPPED (quarantine exposure), and UNRECONCILED rows.
🔒 100% Client-Side Memory
Settlement files are processed strictly within your browser Web Worker thread. Zero financial data, customer details, or sales rows ever touch Sanocea servers.
📋 Dispute-Ready Export
Generates pre-formatted formal dispute claim CSVs with verified mathematical overcharges, full audit ledgers, CA tax schedules, and physical weight audit sheets.
🏛️ Dual Tax Regime Engine
Calculates Section 194-O TDS (Income-tax Act 1961 through March 2026), Section 393 TDS (Income-tax Act 2025 from April 2026), Section 52 GST TCS, and 18% ITC.
Regional Utility · Live & Production Verified
Luhn Modulo-36CGST Rule 8 Audit40 Census JurisdictionsHistorical State Codes (25 & 28)UIN / REG-13 DetectionBatch 25,000 Capacity
Indian GSTIN Format & Mod-36 Checksum Validator
Zero-latency, 100% browser-based Indian Goods and Services Tax Identification Number (GSTIN) inspector and batch auditor. Verifies the official GSTN Modulo-36 weighted checksum algorithm (ISO/IEC 7064 Mod 37, 36), decodes PAN entity constitutions, handles historical state codes with statutory non-validity disclosures, and identifies international UINs (Form GST REG-13). Evaluates single GSTINs with auto-correction or audits high-volume B2B master files up to 25,000 rows with zero server network egress.
⚡ Sub-Millisecond Luhn Mod-36
Instant character-by-character validation and one-click auto-correction suggestions for transposed or mistyped check digits.
🛡️ 100% Client-Side Privacy
Customer, supplier, and vendor GSTINs never leave your local device. Zero external API calls, zero server logs, zero cloud transmission.
🏛️ 40-Jurisdiction Directory
Full census directory covering all 36 operational States/UTs, historical codes (25 Daman & Diu, 28 AP pre-bifurcation), and special administrative codes (97 & 99).
📦 25,000-Row Web Worker Batch
High-throughput background batch auditor streaming at up to 100,000 rows/sec with real-time progress, filter pills, and 3 CSV audit exports.
Complete Tool Directory
Browse by operational problem, e-commerce marketplace, or category index.
⚡ Sub-Millisecond Search
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Operational Preset Guidance Notice: Preset canvas dimensions (Shopify 2048px, Amazon 2000px) and platform rate benchmarks are provided as operational recommendations based on published documentation. Merchants should always verify specific category standards or seasonal policy updates directly on their respective seller portals.
ENGINEERING PHILOSOPHY
Built for speed, privacy, and sovereignty.
Most online utilities upload your private files to cloud servers to monetize your bandwidth, demand paid upgrades, or train machine learning models. SANOCEA Free Tools work differently.
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Sub-Second Local Execution
Processing happens directly inside your web browser using HTML5 Canvas and Web Worker primitives. There is no network lag, no uploading over slow connections, and no server queue delays.
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Zero Data Egress Guarantee
Your unpublished product catalog photos, pricing, and settlement ledgers remain strictly on your local computer. Verified by automated browser privacy gates with zero network payloads.
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Zero Subscription Walls
No credit card fields, no trial expirations, no email collection gates, and no watermarks on exported files. Free tools should empower merchants without operational friction.
ROADMAP & EXPANSION
Upcoming utilities in active development.
Each SANOCEA tool undergoes strict verification and acceptance testing before public release.
Active Development · Staging Phase
Tool 14 · Ad Spend & Campaign Contribution Profitability Analyzer
Multi-channel blended ROAS vs first-order net contribution margin calculator incorporating gateway cuts, logistics freight, return rates, and COGS.
Queued · Wave 2 Roadmap
Tool 15 · Inventory Ageing & Dead Stock Cost Auditor
Working capital valuation analyzer quantifying holding costs, depreciation write-downs, and clearance discount schedules for inventory aged past 90 days.
Queued · Wave 3 Roadmap
Tool 16 · NDR Exception & Delivery Funnel Auditor
Audit Non-Delivery Report (NDR) re-attempt compliance, customer contact SLA adherence, and courier re-attempt fraud before final return conversion.