53 streamlined tools · 39 browser-local · 14 server-assisted (auto-deleted in 5 min) · free, no ads, no signup.
Personal easy-office tool series · Not affiliated with Microsoft
Code formatter / VBA → Python
Code generator / formatter / error checker
Formula generator / formatter / VBA → DAX killer feature
Unix ⇄ Local time
📦Browser-local
UTF-8 supported
📦Browser-local
Chars · Bytes · Words
📦Browser-local
Format · Validate · Generate Class
📦Browser-local
Crypto-secure random
📦Browser-local
HEX ⇄ RGB
📦Browser-local
encodeURIComponent
📦Browser-local
SHA-1/256/512 · HMAC w/ key
📦Browser-local
Case · Trim spaces
📦Browser-local
Bidirectional · YAML 1.2
📦Browser-local
Parse Header / Payload / signature
📦Browser-local
Bidirectional · JSON bridge
📦Browser-local
Line / word level · ignore case / whitespace
📦Browser-local
Ajv engine · detailed error path
📦Browser-local
RFC 4180 · auto delimiter
📦Browser-local
xlsx/xls/csv · in-browser parse
📦Browser-local
Generate CREATE TABLE + INSERT
📦Browser-local
Multi-column · export xlsx
📦Browser-local
Multi-file UNION · header union
📦Browser-local
5-field crontab · see next run times at a glance
📦Browser-local
GFM syntax · live preview
📦Browser-local
camel/Pascal/snake/kebab/dot
📦Browser-local
1-3999 · bidirectional
📦Browser-local
GBK⇄UTF-8 · 8 encodings auto-detect
📦Browser-local
Finance standard · yuan/jiao/fen · wan/yi/zhao
📦Browser-local
Upload xlsx → download PDF · auto-deleted after 5 min
🌐Uploads to server
Upload docx → download PDF · auto-deleted after 5 min
🌐Uploads to server
Upload pptx → download PDF · auto-deleted after 5 min
🌐Uploads to server
Generate / parse QR PNG+SVG
📦Browser-local
v1/v3/v4/v5/v6/v7 + NanoID
📦Browser-local
Match highlighting + replace preview
📦Browser-local
Web Worker compress + format convert
📦Browser-local
Dedupe/sort/繁简/word freq
📦Browser-local
Export CSV / XLSX · UTF-8 BOM
📦Browser-local
Multi-sheet · numeric right-align
📦Browser-local
By rows/count/column · ZIP bundle
📦Browser-local
Encode/decode + audio playback
📦Browser-local
Contacts .vcf · cross-platform
📦Browser-local
Calendar .ics · Google/Outlook ready
📦Browser-local
Map markers · Google Earth/Maps
📦Browser-local