Simple tools. Real impact.

Diep
Studio

by Thanh Diep

Eight simple tools for everyday people — writing, job-hunting, investing, simulating, racing and more. We make the hard parts feel easy.

✦ Our Products Our Story
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Our Products

Eight tools.
Built for you.

Every tool we make solves one real problem — simply, privately, and without any fuss. No sign-ups. No fluff. Just results.

Soulscribe
Give your words a soul.
AI text sounds like AI. Soulscribe fixes that. Paste any robotic or stiff text and get back something warm, natural, and unmistakably human.
5 tone modes including Casual, Professional and Gen Z
5 humanization strength levels
Instant results, zero sign-up needed
Nothing stored, total privacy
Launchline
One line. Every door.
Cold emails that actually get replies. Paste a job description and recipient info, and Launchline writes a personalized email that sounds like a real human wrote it.
Personalized to the role, company, and recipient
5 tone styles, 3 length options
Up to 5 variants per generation
Auto-humanized, no AI cliches
Resumecraft
Beat the ATS. Land the interview.
Paste your resume and a job description. Resumecraft scores your match, rewrites weak sections, and tailors every word to pass the filters and impress the humans.
ATS keyword scoring and gap analysis
Section-by-section rewrite suggestions
Tailored to any job description
Instant results, zero data stored
StockPulse
Markets move. You move smarter.
Real-time stock signals, AI-powered trend summaries, and plain-English breakdowns of what the market is doing and why it matters to your portfolio.
Live price signals and trend detection
AI plain-English market summaries
Watchlist tracking, zero login
Built for regular people, not traders
PulseAI
Your AI. Always on.
A persistent AI assistant that tracks your ongoing projects, remembers context between sessions, and gives you smart, relevant answers without repeating yourself.
Context memory across sessions
Project-aware responses
Zero setup, always ready
CDF Simulation
Visualise probability. Live.
An interactive cumulative distribution function explorer. Adjust parameters in real time and watch the probability curves shift — built for statistics students and curious minds.
Normal, binomial, Poisson distributions
Real-time parameter sliders
Fully browser-based, no install
F1 Race Sim
Build the perfect strategy.
A Formula 1 race strategy simulator. Set tyre compounds, pit windows, and safety car probabilities — then run the race and see who wins.
Full 20-driver grid simulation
Tyre degradation and pit modelling
Safety car and weather variables
Racing
Fast. Minimal. Pure fun.
A lightweight top-down browser racing game built from scratch. Tight controls, procedural tracks, and a ghost time-trial mode — no ads, no downloads, just drive.
Keyboard and touch controls
Procedural track generation
Ghost replay time-trial mode
Locked 60fps, zero install
Our Mission

We are here to make
your words work
for you.

AI is incredibly useful. But most of the time, what it produces sounds like a press release written by a committee. It does not sound like you — and that matters more than people realize.

At Diep Studio, every tool we build solves the same problem: making your words work for you. Not replacing you. Just making the hard parts feel a little less hard.

We believe everyone deserves to communicate with confidence. That is why every tool we build is free to try, simple to use, and built around you.

"
"I built these tools because I kept running into the same problem: AI is everywhere, but most of what it produces sounds hollow. I just wanted something that helped people sound like themselves again."
Thanh Diep, Founder
What We Stand For

We believe in
keeping it simple.

01
Real before robotic
The goal is never to generate more text. It is to help you say what you actually mean, in a voice that sounds like you.
02
Easy by design
Every tool does one thing and does it well. No complicated setup, no tutorials. You open it, paste your text, and it just works.
03
Privacy by default
Your words are yours. We do not store, log, or use anything you type. What you write here stays here — full stop.
T
Thanh Diep
Founder and Builder
8Live tools
Building
The Founder

One person.
Genuine care.

Diep Studio was started by Thanh Diep — someone who got tired of AI writing that sounded nothing like a real person. Every tool here came from a genuine frustration, built to fix something that actually mattered.

The name Diep means deep in Vietnamese. That shows up in everything — the thought behind each tool, the attention to detail, and the care for the people who use them every day.

This is not a big company. It is one person, building tools they wish existed — with care, intention, and a genuine desire to make people's lives a little easier.

What is Next

Always
building more.

Eight tools live and more on the way. Every new build starts with a real problem — and the same rule: if it is not simple enough for anyone to use in thirty seconds, it does not ship.

In Development
Toneshift
Rewrite any content in your exact brand voice. Train it once, use it everywhere.
In Development
Detectless
AI content that passes every detector. Soulscribe at max strength, built for scale.
Concept
Briefmaker
Turn a brain dump of notes into a polished, structured creative brief in seconds.
Get Started

Eight tools.
All free to try.

No accounts. No credit cards. No setup. Open any tool, paste your content, and go — every single one works in thirty seconds or less.

Obsidian
Dark gold
Parchment
Warm light
Charcoal
Soft dark
Forest
Deep green
Midnight
Deep blue