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Tools

Small tools, freely yours

Things I built because I needed them. Free, fast, and private — the interactive ones run entirely in your browser. No accounts, no tracking your inputs.

In-browser tools

DeveloperLive

Base64 Encoder / Decoder

Encode or decode Base64 instantly. UTF-8 safe, URL-safe option, all in your browser.

Open
SecurityLive

JWT Decoder

Paste a JSON Web Token to inspect its header, payload and expiry. Nothing leaves your browser.

Open
AILive

Voice AI Opportunity Calculator

Estimate the revenue a voice AI agent could add to a business — missed-call recovery and after-hours bookings.

Open
SecurityComing soon

SAML Response Validator

Decode and pretty-print a SAML response, inspect assertions, attributes and timestamps.

AIComing soon

VO → Presentation Generator

Turn a voiceover script into a clean slide deck outline. AI-assisted.

Full apps

Hajabarala Medley

Music

A musician’s tool — build song medleys, auto-scroll lyrics & chords, add notes, colour-code participants, and transpose any scale. AI standardises any messy chord sheet into the app format.

SBS Showrunner

Events

A two-screen stage controller for cultural events — an operator screen and a visual screen, with all dance tracks, songs and background music cued and controlled live. Used for our community programs.

Kno2gether

Spreading knowledge — as free as we can keep it. Built in public by Avijit Sarkar.

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