Developer Tools for Nepal

Free developer tools for Nepal - 100% free, no signup. Decode and verify JWT tokens, validate and format YAML, generate SSH key pairs, view and explore CSV files, convert CSV to JSON, plot CSV data as charts, spot the difference between two JSON files, paste spreadsheet columns into SQL IN lists, generate strong passwords, test your webcam and microphone, and inspect your network and device info. Everything runs locally in your browser.

JWT Validator

Decode JWT header and payload, check expiry live, verify HS256 signatures.

YAML Validator

Validate YAML with exact line numbers, pretty-print it, or convert to JSON.

SSH Key Pair Generator

Generate RSA or ECDSA SSH key pairs in OpenSSH format - keys never leave your device.

CSV Data Viewer

Open big CSV files as a searchable, sortable table with instant column stats.

CSV to JSON Converter

Turn CSV rows into clean JSON arrays or objects, and convert JSON back to CSV.

CSV to Chart

Plot any CSV columns as a bar, line, pie or doughnut chart and download the image.

Password Generator

Create strong random passwords and passphrases with a live strength meter.

Network Info

Check your public IP, ISP location, connection speed class and device details.

Base64 Encode / Decode

Convert text to Base64 and back, with URL-safe mode - everything stays in your browser.

Text Hash Generator

Hash any text to SHA-256, SHA-512 or SHA-1 at once and copy the digest you need.

JSON Diff Checker

Compare two JSON files or API responses line by line with additions and removals highlighted.

Excel Column to SQL IN List

Paste a spreadsheet column and get a quoted, comma-separated SQL IN clause instantly.

Webcam & Mic Test

Test your camera and microphone in the browser with a live preview and level meter.

What Is My IP Address

See your public IP, ISP and location, and check if you are on a Nepali network.

DNS Lookup

Look up A, AAAA, CNAME, MX, TXT and other DNS records for any domain via DNS-over-HTTPS.

WHOIS / RDAP Lookup

Look up domain registration, registrar and expiry with RDAP - the modern WHOIS.

Text Diff Checker

Compare two blocks of text and highlight the lines and words that changed.

Runs entirely in your browser No signup · unlimited use · always free