5 Free Tools Available

All Free Online Tools

Professional tools for everyday tasks — GST, EMI, image editing, word counting. No sign-up, no ads, 100% free forever.

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Most Popular Tools

Most Popular

GST Calculator

Calculate CGST, SGST & IGST for all tax slabs. GST inclusive & exclusive. GSTIN verification.

CGSTSGSTIGSTGSTIN
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Trending

EMI Calculator

Home loan, car loan & personal loan EMI with full amortisation schedule and rate comparison.

Home LoanCar LoanPersonal Loan
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Privacy First

Image Compressor

Compress JPG, PNG & WebP up to 90% without visible quality loss. Bulk compress 10 images.

JPGPNGWebPBulk
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Finance Tools

2 tools
Most Popular

GST Calculator

Calculate CGST, SGST & IGST for all tax slabs. GST inclusive & exclusive. GSTIN verification.

CGSTSGSTIGSTGSTIN
Use free
Trending

EMI Calculator

Home loan, car loan & personal loan EMI with full amortisation schedule and rate comparison.

Home LoanCar LoanPersonal Loan
Use free

Image Tools

2 tools
Privacy First

Image Compressor

Compress JPG, PNG & WebP up to 90% without visible quality loss. Bulk compress 10 images.

JPGPNGWebPBulk
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Fast

Image Resizer

Resize to custom dimensions, social media presets or percentage. Export as JPG, PNG or WebP.

InstagramFacebookCustom Size
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Text Tools

1 tools
Real-time

Word Counter

Real-time word & character count, reading time, keyword density, readability score & more.

KeywordsReadabilitySEO
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Your All-in-One Free Online Toolkit

ToolStack provides professional free online tools for everyday tasks — from GST calculation and loan EMI planning to image compression, image resizing, and word counting. All tools run 100% in your browser — your data never leaves your device.

No account needed. No watermarks. No file size limits. No ads. Every tool is built for speed, accuracy, and simplicity — designed to work flawlessly on any device, from desktop to mobile.