Free online tools that respect your privacy

Drag-and-drop builder that exports clean, Outlook-safe HTML for your emails. Free, no sign-up.

Visually build a web page or section and copy the HTML/CSS. Runs entirely in your browser.

Turn any image into a full favicon set (ICO + PNGs) with a web manifest, ready to download.

Create custom QR codes with colours and a logo. Download as PNG or SVG — free and instant.

Add or remove GST at any rate and see the breakup instantly. Built for Indian businesses.

Search HSN and SAC codes and their GST rates. Free lookup, no login.

Create a professional GST invoice and download it as a PDF. Nothing is uploaded to any server.

Check whether a GSTIN is correctly formatted and passes its check-digit. Works offline.

Build a valid SPF record for your domain step by step. Improve email deliverability.

Generate a DMARC policy record with the right tags. Protect your domain from spoofing.

Look up and validate a domain’s SPF, DKIM, DMARC and MX records live in your browser.

Design a clean, professional HTML email signature and copy it into any mail client.

Work out loan EMIs, total interest and the full amortisation schedule.

Estimate the future value of your monthly mutual-fund SIP investments.

Estimate your Indian income tax under the old and new regimes.

Convert images to WebP, AVIF, PNG or JPG and compress them — all in your browser.

Remove the background from a photo instantly and privately — processed on your device.

Format, validate and minify JSON. Catch syntax errors instantly.

Encode text or files to Base64 and decode them back. Runs locally.

Decode and inspect JSON Web Tokens — header, payload and claims.