MicroTools is an open suite of private, zero-latency browser utilities engineered for software developers, DevOps practitioners, network engineers, and digital creators. All computations—from cryptographic token decoding to CIDR subnet calculations—run 100% locally in your browser memory sandbox with zero remote server roundtrips.
Create custom high-resolution QR codes (WiFi, URL, Text) with PNG/SVG downloads and scan/decode QR code images instantly.
Launch Tool →Fast bidirectional converter between Hexadecimal strings and ASCII / UTF-8 plain text with custom delimiters and instant copy.
Launch Tool →Parse, decode, and inspect BER-TLV, EMV smart cards, Base64 strings, and EMVCo/QRIS merchant data structures.
Launch Tool →Build structured, high-fidelity prompt tags for Suno, Udio, and Flowmusic with genre blends, tempo, vocal styling, and mood controls.
Launch Tool →Create cinematic video prompts for Runway Gen-3, Luma Dream Machine, Sora, and Kling AI with camera movement physics and lighting.
Launch Tool →Generate photorealistic prompts for Midjourney v6, Flux.1, and SDXL with Hasselblad optics, 8K textures, and aspect ratios.
Launch Tool →Format, prettify, minify, validate, sort keys, and repair JSON payloads with line-by-line syntax diagnostics.
Launch Tool →Preview and generate OpenGraph, Twitter Cards, and Google Search SERP snippets in real-time with HTML & React export.
Launch Tool →Calculate network and broadcast addresses, usable host ranges, binary bit boundaries, and subnet partition matrices.
Launch Tool →Identify network card manufacturers (IEEE OUI lookup), convert MAC delimiters (Cisco, Colon, Hyphen), and inspect multicast bits.
Launch Tool →Searchable database of well-known TCP/UDP network ports (HTTP, SSH, MySQL, WireGuard, Redis) with security advisories.
Launch Tool →Bidirectional converter between JSON and CSV with interactive table preview, nested object flattening, custom delimiter support, and instant file downloads.
Launch Tool →Encode any image (PNG, JPG, WEBP, GIF, SVG) to Base64 Data URI, raw string, or CSS background-image — and decode any Base64 string back to a viewable, downloadable image.
Launch Tool →Generate cryptographically secure passwords and passphrases using Web Crypto API (CSPRNG). Customize length, character types, entropy, and batch generate up to 50 passwords at once.
Launch Tool →Hitung potongan MDR QRIS resmi Bank Indonesia (UMI 0%, 0.3%, 0.7%), estimasi settlement dana bersih, dan generator QRIS nominal dinamis.
Launch Tool →Fast, secure, 100% client-side JSON Web Token (JWT) decoder. Inspect claims (sub, iss, exp, iat), token expiration countdown, and header metadata without server risk.
Launch Tool →Build Linux crontab schedules visually, translate complex cron syntax into human-friendly Indonesian and English, and simulate next execution timestamps.
Launch Tool →Master IPv4 subnetting from first principles: learn binary calculation, network and broadcast addresses, usable host formulas, RFC 1918 private ranges, and real-world AWS VPC partitioning.
Deep dive into JSON Web Tokens (RFC 7519). Learn how headers, payloads, and cryptographic signatures interact, prevent critical vulnerabilities like alg:none, and implement secure token refresh flows.
Comprehensive guide to well-known TCP and UDP network ports (20 to 65535). Learn the differences between Layer 4 transport protocols, port multiplexing, and firewall hardening strategies.
Demystify crontab syntax. Learn the 5-field structure, special characters like asterisk, slash, comma, and hyphen, edge cases with day-of-week, and scheduling in Kubernetes and Linux.
Explore the internal architecture of Quick Response (QR) codes. Understand timing patterns, alignment markers, mask patterns, and how Reed-Solomon math recovers data from damaged codes.
Understand how Base64 transforms raw binary into ASCII strings. Learn why it adds exactly 33.3% size overhead, and when you should use inline Data URIs versus standard HTTP/2 assets.
An exhaustive technical guide to JavaScript Object Notation (RFC 8259). Master valid grammar, understand trailing comma traps, debug syntax errors, and protect APIs against serialization vulnerabilities.
Deep-dive into Layer-2 Ethernet networking: explore 48-bit MAC address bit-level architecture, IEEE OUI vendor assignments, multicast bits, and modern smartphone Wi-Fi address randomization.
Master Open Graph protocols, Twitter Large Cards, canonical link authority, and Google SERP snippets. Learn how metadata drives search engine click-through rates and viral social distribution.
A comprehensive guide to Layer-4 port multiplexing: analyze well-known TCP/UDP port ranges, understand common attack vectors on open ports, and implement firewall rules using UFW and iptables.