Free Tools

🔄

Converters

Handy format converters that run entirely in your browser.

JSON Formatter

Format and validate JSON instantly right in your browser. Choose 2-space, 4-space, or tab indentation, minify your JSON, and copy the result — 100% offline and free.

JSON to Class/Struct Generator

Short description: Generate class atau struct siap pakai dari JSON untuk C#, C, PHP, Python, Go, dan Rust.

QR Code Generator

Generate QR codes for text, URLs, Wi-Fi, contacts, calendar events, and crypto wallets — free and offline.

EXIF Editor

View, edit, or remove EXIF metadata (camera info, date, GPS location) from JPEG photos — free and offline.

Random Icon Generator

Generate a random shape + icon combo (no AI) for logos, avatars, or app icons — free and offline.

SVG Editor

A browser-based vector graphics editor — shapes, pen tool, boolean operations, gradients, and more. Free and works offline.

Markdown to HTML Renderer

Convert Markdown to clean HTML instantly, with syntax-highlighted code blocks — free and offline-capable.

Hash Calculator

Generate MD5, SHA-1, SHA-2, SHA-3, BLAKE, RIPEMD, CRC32, bcrypt, and Argon2d hashes from text or files — instantly, in your browser.

Resume Builder

Build a polished, print-ready resume in your browser — photo, work history, skills, projects and a scannable contact QR code, saved locally, no sign-up.

Ebook Viewer

Read PDF, EPUB, MOBI, and DjVu files right in your browser — scroll, pan, and zoom, no upload, no installation.

API Master

Build, save, and test API requests — REST, GraphQL, WebSocket, SSE, and gRPC — organized by project, with one-click code generation.

ASN.1 Decoder

decode ASN.1 notation BER,DER,CER,PER,APER encoding into tree structure, xml or json format

Javascript Obfuscator

Obfuscate javascript code directly from browser, easy, no login

JWT Decoder & Generator

Decode, verify, dan generate JSON Web Token (JWT) secara instan, aman, dan 100% offline.

Random String Generator

Securely generate random strings, passwords, hex, and binary sequences entirely offline in your browser.

SQLite Web Browser

Open, view, and query SQLite databases entirely offline in your browser using WebAssembly.

Protobuf Decoder & Schema Generator

Decode raw Protocol Buffers (protobuf) data and automatically generate .proto schemas offline.

3D Printer STL Calculator & Viewer

View STL files in 3D and calculate solid volume and total mass based on material density offline.

SSL Certificate Viewer & Parser

Inspect and decode X.509 SSL/TLS certificates (PEM/CRT/CER) offline directly in your browser.

C to Assembly Compiler

Compile C code to Assembly (x86, ARM, RISC-V, WASM) completely offline in your browser using WebAssembly.

AST Explorer

Compile C code to AST Tree completely offline in your browser using WebAssembly.

CGI Renderer

Test your fractals code with canvas CGI renderer, fully offline, no server side scripting, no login

Hex Editor

Online hex editor, view, parse any binary file to dissect their structure

Trade Lab

easy to use trading signal analyzer