Miscellaneous Tools
22Diffs, QR codes, encoders, and regional utilities for Southeast Asia. Quick jobs, done in the tab.
22 tools shown
Password Generator and Validator
Generate and validate cryptographically secure passwords and test password strength using zxcvbn. Includes customizable options for uppercase, numbers, and symbols with real-time strength analysis.
Use tool
Text Diff Checker
Compare two texts side-by-side and highlight the differences between them.
Use tool
Image Diff Checker
Compare two images and analyze their differences in type, size, resolution, and visual content.
Use tool
Indonesia AKG Label (Nutrition Label Generator)
Generate Indonesia-compliant "Informasi Nilai Gizi (ING)" nutrition labels with BPOM standards, %AKG calculations, and optional Nutri-Level grading.
Use tool
QR Code Generator
Generate QR codes with customizable error correction levels, styles, and colors. Supports single and bulk generation with PNG and PDF export options.
Use tool
Singapore Nutri-Grade Generator
Grade beverages A–D under Singapore's Nutri-Grade rules from sugar and saturated fat per 100 ml, then generate a downloadable front-of-pack mark.
Use tool
Unit Converter
Comprehensive unit converter supporting 17 categories including length, mass, volume, temperature, speed, pressure, energy, and more. Convert between 188 different units with precision.
Use tool
Kopi/Teh Sugar Builder
Build your kopitiam order — kopi/teh, C or O, kosong / siu dai / gah dai — and see the sugar in grams and teaspoons, the estimated Singapore Nutri-Grade, and how much you save by ordering it less sweet.
Use tool
Zip File Diff Checker
Compare two Zip files and identify differences including added, removed, changed, and unchanged files with detailed metadata.
Use tool
Barcode Generator
Generate barcodes in 20+ formats — CODE128 (A/B/C), CODE39, CODE93, EAN-13/8/5/2, UPC-A/E, ITF, ITF-14, MSI variants, Codabar, Pharmacode. Single or bulk, live check-digit preview, export to PNG, SVG, PDF, or copy to clipboard — 100% in your browser.
Use tool
Malaysia TIN & BRN Format Checker
Validate and decode Malaysian TIN (LHDN) and business registration numbers (SSM) for MyInvois e-invoicing. Checks prefixes, the trailing-zero rule, and the new 12-digit SSM format — 100% in your browser, nothing is uploaded.
Use tool
Konverter NPWP 16 Digit & NITKU
Ubah NPWP 15 digit ke 16 digit, cek format & digit pengaman, dan buat NITKU 22 digit — langsung di browser, gratis, tanpa login. Data NPWP tidak dikirim ke server.
Use tool
SEA Word Segmenter — Thai, Khmer, Burmese, Lao
Split spaceless Southeast Asian text (Thai, Khmer, Burmese, Lao) into words in your browser — see word boundaries, count words, and insert zero-width spaces for line breaks. Nothing is uploaded.
Use tool
SEA Payment QR Decoder — QRIS, PromptPay, PayNow, DuitNow, VietQR
Paste a Southeast Asian payment QR payload and decode every EMVCo TLV field in your browser — auto-detects the rail (QRIS, PromptPay, PayNow, SGQR, DuitNow, VietQR), resolves merchant, amount, currency and country, and validates or fixes the CRC. Nothing is uploaded.
Use tool
SEA Webhook Signature Verifier — Midtrans, DOKU, Xendit, 2C2P
Verify payment-gateway webhook signatures in your browser. Pick a Southeast Asian gateway (Midtrans, DOKU, Xendit, 2C2P), paste the notification fields and your server key, and see the expected signature computed and matched against the received one. Keys never leave the page.
Use tool
SEA Mojibake & Legacy Encoding Fixer — TIS-620, Windows-1258, VISCII
Fix garbled Thai and Vietnamese text in your browser. Paste mojibake (or raw bytes) and get ranked candidate decodings across the Southeast Asian legacy encodings generic fixers ignore — TIS-620/Windows-874, Windows-1258, and VISCII. Nothing is uploaded.
Use tool
MyInvois Validation QR Decoder & Builder — LHDN e-Invoice
Decode, validate, and build MyInvois (LHDN) e-invoice validation links in your browser. Paste a link or upload its QR to parse the UUID and longId, detect production vs pre-production, and flag common mistakes — or build the link and regenerate a QR for print. Nothing is uploaded.
Use tool
Indonesia Phone Prefix → Carrier Lookup (Cek Operator Nomor HP)
Check which Indonesian mobile operator a number belongs to, in your browser. Paste a number in any format (0812…, +62…, 62…) to see the operator, brand, and post-merger group (XLSmart, Indosat Ooredoo Hutchison, Telkomsel). Offline, nothing uploaded.
Use tool
SEA Test ID Generator
Generate checksum-valid synthetic national IDs for Singapore (NRIC/FIN), Indonesia (NIK), Malaysia (MyKad), Thailand, and Vietnam (CCCD) as QA test fixtures. Pin gender, birth date, and region; batch-export to CSV/JSON — 100% in your browser. Test data only, never real identities.
Use tool
SEA PII Masker & Redactor
Redact Southeast-Asian national IDs and contact info from pasted logs, tickets, or datasets — Singapore NRIC/FIN, Indonesia NIK, Malaysia MyKad, Thai ID, plus email and phone. Checksum-gated detection to cut false positives, configurable masking, 100% in your browser — nothing is uploaded.
Use tool
MP4 to WebP Converter
Convert an MP4 video to an animated WebP entirely in your browser — powered by ffmpeg.wasm. Tune fps, width, quality, loop, and trim. Your video never leaves your device; nothing is uploaded.
Use tool
WebP to MP4 Converter
Convert an animated WebP to an MP4 (H.264) video entirely in your browser. Frames are decoded with WebCodecs and encoded with ffmpeg.wasm — your file is never uploaded. Preserve the original timing or set a fixed frame rate.
Use tool