Log File Viewer

An offline, FREE, multi-language app for opening, filtering and searching log files. Log File Viewer is a fast, clean way to read log files on your phone. It could be that you're debugging an Android crash, reviewing a server access log, or scanning a JSON event stream, it parses your file, color-codes every level, and lets you find what matters in seconds. Here are it's core features: 1. Auto-detects common formats - Android logcat (brief and threadtime) - JSON / NDJSON structured logs - Apache / Nginx access logs - Syslog - ISO timestamp + level - Plain text with embedded levels 2. Filter, search, focus - Tap level chips to show only ERROR, WARN, INFO, DEBUG, TRACE - Live count badges per level - Plain-text search with prev/next match navigation - Regex search (PRO) for power users 3. Built for reading - Color-coded level badges - Syntax highlighting for IPs, URLs, paths, numbers, JSON keys - Word wrap, line numbers, adjustable font size - Beautiful light and dark themes - Tap any line for full details + copy 4. Smart stats - Donut chart of level distribution - Top recurring error messages - File metadata: format, size, line count, time range 5 Bookmarks - Mark important lines and jump back instantly 5. Share & export - Export filtered results as a new log file 6. PRO unlocks - Files up to 100 MB - Regex search and filtering - Custom highlight rules — color-code your own keywords - Export filtered logs - Unlimited bookmarks Just download and get started. Open .log, .txt, .json, .csv, .out, .err and more. Works offline.