RAWSORT

No upload · No signup · No cloud

Your data stays
on your device.
Always.

Drop a CSV, JSON, or Excel file and get instant charts, pattern insights, and copy-ready founder updates — all processed inside your browser. None of the files u upload hits any server.

Analyze CSV → Visualize JSON

100%

Browser-local

Files

Analyzed Locally

Tools · Free

stripe_export_q2.csv — rawsort engine LOCAL

Revenue

$48.2K

↑ 12.4% MoM

Transactions

4,821

↑ 8.1%

Score

/ 100

Monthly Revenue Trend ↑ Upward

Growth

Consistency

Momentum

Anomaly

◈ No file uploads

◈ Works offline

◈ No account required

◈ Instant charts

◈ Free

// Tools

Five engines.
One mission.

01 —

CSV Analyzer

Analyze Stripe exports, Shopify orders, database dumps, or any CSV. Charts, trend detection, anomalies — all local.

StripeShopifyDB exports

→

02 —

JSON Analyzer

Paste API responses or upload .json files. Tree view, numeric charts, pattern insights — nothing leaves your browser.

API responsesNested data

→

03 —

Excel Engine

Upload .xlsx spreadsheets. Switch between sheets. Charts, data preview, insights — fully local with SheetJS.

.xlsxMulti-sheet

→

✦ Signature feature

Founder Update Templates

YC-style, Sequoia memo, board update, weekly team — six formats auto-filled from your data. Copy and send in under 10 seconds.

→

✦ Signature feature

Timeline Tracker

Upload data snapshots over time. Compare any two periods side by side. Your private metrics history — stored only in your browser.

→

// How it works

Three steps.
Under 60 seconds.

Drop your file

Drag and drop a CSV, JSON, or Excel file. Your browser reads it directly — no files are sent anywhere, ever.

Get instant charts

Rawsort parses your data client-side and renders charts in under a second, No sign in neccesary.

Copy your update

Generate a polished founder update from your data — for investors, teammates, or your own records.

0Files Stored

0Update templates

0File formats

0Bit locker security

// Use cases

Built for people who
handle real data.

💳

Analyze Stripe CSV without uploading revenue data

Your MRR, churn, and transaction exports never leave your machine. Visualize payment trends privately.

🛒

Shopify order export charts, locally

Turn Shopify CSV exports into order trend charts with no third-party app needing store access.

📊

Excel spreadsheet to investor update

Drop a .xlsx financial model and generate a copy-ready investor update without any cloud sync.

🔌

Visualize API JSON response data

Paste any JSON payload and instantly see the structure and key signals as visual charts.

🗄️

Database export analysis, no cloud needed

Analyze SQL exports from Postgres or MySQL without uploading to a SaaS tool.

✈️

Works completely offline

On a plane or without WiFi — Rawsort works because all processing is entirely yours.

// FAQ

Common questions.

Never. All file reading and analysis is done using browser-native APIs. Your files are processed entirely inside your browser tab and never transmitted anywhere.

Yes — that's one of the main use cases. Because no files leave your device.

Rawsort handles files up to several hundred MB depending on your browser and device memory. Files with 50,000+ rows work well on most modern laptops.

Yes. Once the page has loaded, all analysis tools work without an internet connection. You don't need WiFi to process your data.

Rawsort supports .csv, .json, and .xlsx (Excel) file formats. Support for additional formats is on the roadmap.

Your data stayson your device.Always.

Five engines.One mission.

Three steps.Under 60 seconds.