File Tools
Free, Private tools for file security, project management, organization, analysis, and workflow automation - nothing ever uploaded to a server.
Security 13 tools
Access Log Analyzer
Paste or upload Apache/Nginx access logs to see top IPs, status code breakdown, bot traffic, and…
Audit Trail Generator
Hash a folder of files into a snapshot, then compare two snapshots to auto-generate a change log of…
Audit Trail Viewer
Upload a CSV or JSON audit log and instantly search, sort, and filter every record by column,…
Batch File Encryptor
Encrypt or decrypt multiple files at once with AES-256-GCM and a password. Runs fully offline in…
File Integrity Checker
Verify file integrity by comparing SHA-256 or SHA-1 checksums against a provided hash list. Detect…
Image Metadata Viewer
View camera, date, GPS, and other EXIF metadata hidden inside your JPEG photos, plus generic file…
Metadata Cleaner
Remove EXIF metadata — GPS location, camera model, timestamps — from JPEG and PNG photos in bulk…
PDF Redaction Tool
Draw black boxes over sensitive text or images in a PDF and export a truly redacted copy — pages…
Password Strength Checker
Check real password strength with entropy calculation, estimated crack time, and common pattern…
Secure Link Generator
Encrypt a message or small file into a self-contained shareable link with no server storage. Choose…
Secure Link Viewer
Open a secure link generated by our Secure Link Generator. Decryption happens locally in your…
Sensitive Data Detector
Scan pasted text for emails, phone numbers, credit card numbers, API keys, and other sensitive data…
Sensitive File Detector
Scan a batch of files by name, extension, and content to flag credentials, keys, and configs before…
Project Management 13 tools
Assignment Tracker
Track who is assigned to what, due dates, and status across your team. Overdue items are flagged…
Checklist Generator
Paste any list of steps and instantly generate a clean, printable checklist with numbering and…
Dependency Analyzer
Enter tasks and what each depends on to detect circular dependencies and get a valid execution…
Folder Compare Report
Compare two folders file-by-file using content hashing to find exactly what was added, removed, or…
Folder Structure Comparison
Compare the folder structure of two directories to see which subfolders and file counts differ,…
Priority Sorter
Score your tasks by urgency, importance, and effort to get an automatically ranked priority list…
Progress Tracker
Track multiple project milestones with weighted completion percentages and see an automatically…
Tagging Dashboard
Paste a list of items with comma-separated tags to see tag frequency, filter items by tag, and bulk…
Task Checklist
A simple interactive checklist that saves your checked items automatically in your browser. Add,…
Version Reminder
Track when you last checked each tool or dependency for updates, get flagged when one is due, and…
Workflow Simulator
Enter workflow steps with durations and dependencies to calculate the critical path, total…
Workflow Template Creator
Build your own custom workflow template from scratch with roles and durations per step, then save…
Workflow Templates
Pick from ready-made workflow templates like onboarding, content publishing, or bug triage,…
File Management 24 tools
Batch File Organizer
Reorganize a batch of files into a structured folder layout by extension, date, or a custom prefix…
Bulk Archiver
Combine many files into one ZIP archive, or automatically split them into multiple size-limited…
Bulk Delete Script Generator
Turn a list of file paths into a ready-to-run bulk delete script for Bash or PowerShell, with…
Bulk File Renamer
Rename dozens of files at once with find-and-replace, regex, numbering, or case rules. Preview…
Change Tracker
Set a baseline snapshot of your files once, then re-check anytime — this tool remembers the…
Duplicate File Finder
Find exact duplicate files by content hash, not just filename. See wasted space at a glance and…
Extension Sorter
Drop in a mixed batch of files and get them automatically grouped by file extension into labeled…
File Size Analyzer
Analyze a batch of files to see size distribution by type, the largest files, and flag anything…
Filename Sanitizer
Clean up messy or unsafe filenames in bulk: remove illegal characters, fix spaces, strip accents,…
Folder Compare
Quickly compare two folders by filename and size to spot what's missing or different, without…
Folder Dashboard
Get an instant at-a-glance dashboard for any folder: file type breakdown, folder depth, oldest and…
Folder Merger
Merge two or more folders into a single combined download, with a choice of conflict resolution…
Folder Search
Search every file in a folder by filename pattern or by text content inside readable files, with…
Folder Structure Generator
Type or paste an indented list of folders and files to generate an actual directory structure —…
Folder Structure Visualizer
Select a folder and instantly get a clean ASCII tree diagram of its structure, ready to paste into…
Folder Sync Preview
Preview exactly what a one-way sync from a source folder to a destination would do: what gets…
Hidden File Finder
Scan a folder for hidden and system files like .DS_Store, Thumbs.db, .git, and Office lock files…
Multi-Folder Search
Search across multiple separately selected folders at once and see results grouped by source…
Ownership Analyzer
Upload a file manifest with an owner column (exported from a shared drive) to see storage used per…
Path Validator
Validate a list of file paths against Windows, macOS, and Linux filesystem rules: length limits,…
Permission Calculator
Build Unix file permissions visually and get the numeric (755) and symbolic (rwxr-xr-x) forms…
Temp File Analyzer
Upload a CSV listing of files with size and last-modified date, set age and size thresholds, and…
Temp File Scanner
Scan a batch of real files for junk and temporary file patterns like .tmp, .cache, .log, and backup…
Timestamp Script Generator
Set or shift last-modified timestamps for a batch of files and generate a ready-to-run touch or…
Analysis & Reporting 32 tools
Access Anomaly Detector
Scan a file-access log for anomalies: off-hours access, sudden bursts of activity, and users…
Access Pattern Analyzer
Upload a file-access log (user, file, timestamp) to see which files are accessed most, peak usage…
Audit Inventory Report Generator
Generate a formal file inventory audit report from a real batch of files — SHA-256 hashes, sizes,…
Audit Report Summarizer
Turn a raw audit log CSV or JSON into a polished executive summary report: totals by action, top…
Auto Data Validator
Upload a CSV and instantly see which columns look like emails, dates, URLs, or phone numbers, with…
Column Consistency Checker
Check a single CSV file for structural consistency: rows with the wrong number of fields, and…
Compare Files Against a Baseline
Pick one reference file and compare several others against it at once, seeing exactly how much each…
Data Validation Tool
Validate CSV data against your own rules per column: required fields, regex patterns, numeric…
Dependency Version Conflict Checker
Paste version requirements for a package from multiple sources and detect real semver constraint…
Duplicate Folder Matcher
Select several folders and find out which ones are exact duplicates of each other by comparing the…
File Age Analyzer
Analyze a folder's files by last-modified date to see an age distribution histogram: how many files…
File Type Breakdown
Get a detailed, sortable table breakdown of file types in a folder — count, total size, and average…
File Type Distribution Chart
See a visual bar chart breakdown of file types by count and by size in any folder, so you can spot…
File Version Conflict Checker
Upload a batch of files and detect version-naming conflicts — like two different v2 copies edited…
Folder Statistics Report
Get a full statistical report on a folder's file sizes: mean, median, standard deviation, and…
Large File Detector
Set a size threshold and instantly flag every file that exceeds it, with severity levels for files…
Large File Finder
Rank every file by size and see what percentage of total storage your biggest files actually…
Large Folder Analyzer
See which subfolders inside a large folder are actually taking up the most space, ranked and…
Missing Data Detector
Upload a CSV and see completeness percentage per column, with every row that has missing required…
Missing File Sequence Detector
Upload a numbered set of files (like photo001.jpg to photo050.jpg) and instantly find any missing…
Modification Timeline
Build a chronological timeline of every file's last-modified date, grouped by day, so you can see…
Multi-File Compare
Upload several text files and see a similarity matrix showing how alike every pair is, based on…
Multi-File Schema Checker
Upload several CSV files and instantly check whether they share the same column names and order —…
Nested Duplicate Folder Finder
Select one large folder tree and find subfolders that were accidentally copy-pasted or duplicated…
Ownership Report Generator
Turn a file manifest with an owner column into a polished, narrative ownership report document…
Permission Report
Upload a file listing with permission modes to flag world-writable files, inconsistent permissions,…
Project Completion Forecaster
Enter a project's start date, current completion %, and target deadline to calculate its projected…
Project Portfolio Tracker
Track a whole portfolio of projects at once — completion %, status, and deadlines — sortable and…
Quick Folder Stats
A simple live counter for a folder or file batch — total files, total size, and type count,…
Spreadsheet Analyzer
Upload a CSV and get real per-column statistics: detected data type, min, max, average, and median…
Summary Exporter
Upload any CSV or JSON dataset and auto-generate a key-metrics executive summary — row counts,…
Word Frequency Analyzer
Paste or upload text to see real word frequency counts, with stop-word filtering, a ranked table,…
Workflow & Automation 49 tools
Auto Numbering Tool
Add sequential numbers to CSV rows or a list of text lines, with configurable start value, step,…
Auto-Index Generator
Select a folder and automatically generate an alphabetical, linkable index of every file inside,…
Backup Script Generator
Generate a ready-to-run rsync, robocopy, or PowerShell backup script that copies your chosen files…
Batch Processing Pipeline
Track tasks through a custom multi-stage pipeline with priority ordering — see exactly which stage…
Batch Queue Manager
A simple job queue tracker — add tasks, mark them pending, processing, or done, and see your…
Batch Text Replacer
Define a whole list of find-and-replace rules and apply them all at once, in order, to one document…
Blank Cell Filler
Fill empty cells in a CSV column with a default value, or carry the last non-empty value down…
CSV Data Splitter
Split one large CSV into multiple smaller files, either by a fixed row count per file or by…
CSV Formatter
Normalize messy CSV files: fix delimiters, trim whitespace, standardize quoting and line endings.…
Cell Replacer
Replace exact cell values within specific CSV columns — like turning every N/A into blank, or…
Column Mapper
Map each column in your CSV to a new target column name using a simple mapping interface, then…
Column Merger
Merge multiple CSV columns into a single new column using a custom template, like combining first…
Column Reorder
Reorder the columns in a CSV file by dragging them into the exact order you want, with a live…
Conditional Copier
Export only the rows that match a condition you set — greater than, contains, equals, and more —…
Content Index Generator
Scan a Markdown or text document for headings and automatically generate a linked table of…
Custom Project Template Builder
Design your own reusable project folder template with placeholders like {client} and {date}, then…
Data Combiner
Combine several CSV files with the same columns into one master file by stacking their rows, with…
Document Splitter
Split a large text file by line count, or a PDF by page count, into multiple smaller files — all…
Document Status Tracker
Track every document's review status — draft, in review, approved, published — on one simple board…
Duplicate Row Remover
Remove exact duplicate rows from a CSV, or duplicates based on specific key columns you choose,…
Email Cleaner
Paste any messy block of text — signatures, exported contacts, mixed content — and extract every…
Email List Cleaner
Upload a CSV of email addresses to deduplicate, validate, break down by domain, and flag role-based…
Excel to Database Prep
Prepare a spreadsheet for database import: validate column names, auto-detect data types, and…
Export Organizer
Drop in a pile of dated export files and automatically detect the date in each filename, then…
File Tagging Tool
Upload files and assign custom tags to each one, filter your batch by tag, and export a…
Folder Age Cleanup Planner
Select a folder and get a tiered cleanup plan showing which subfolders are entirely stale versus…
Formula Generator
Pick a common formula pattern - VLOOKUP, IF, SUMIF, CONCATENATE and more - fill in the blanks, and…
Header Cleaner
Clean up CSV column headers in bulk: trim whitespace, remove special characters, standardize to…
Header Validator
Paste your expected column list and check a CSV file's headers against it — catches missing, extra,…
Invoice Formatter
Enter client details and line items to generate a clean, formatted, printable invoice with computed…
Key-Based Sheet Merge
Join two or more CSV files on a shared key column, like a VLOOKUP or database join, combining their…
List Comparison Tool
Paste two plain lists and instantly see what's only in list A, only in list B, and in both — a…
Merge Previewer
See exactly what merging several CSV files would produce before you commit — combined row count,…
Multi-Approver Sign-Off Tracker
Track document approval across several required reviewers at once, with a sign-off matrix showing…
Multi-Column Sorter
Sort a CSV by multiple columns at once with configurable priority and ascending/descending…
Multi-Document Merge
Concatenate multiple text or Markdown files into a single document, in the order you choose, with…
Multi-File Find & Replace
Apply a single find-and-replace rule across dozens of files at once, with per-file match counts,…
Multi-File Replace
The full power tool: apply a whole list of find-and-replace rules across dozens of files at once,…
Multi-Sheet Merger
Merge multiple CSV sheets into one file while adding a source-sheet column so you can always trace…
Project Folder Generator
Pick a project type - web app, photography shoot, design project, and more - and instantly generate…
Regex Renamer
Batch rename files using a full regex pattern with capture groups like $1 and $2, with a live…
Row Numbering Tool
Add a row-number column to your CSV, with the option to restart numbering whenever a chosen…
Row/Column Converter
Flip a CSV's rows and columns — transpose the full data matrix in one click — and download the…
Sheet Standardizer
Map each file's columns to one canonical schema and standardize a whole batch of CSV files at once,…
Smart Deduplicator
Find near-duplicate rows that aren't exact matches — typos, formatting differences, extra spaces —…
Spreadsheet Version Comparison
Compare two versions of a CSV and see exactly which cells changed, were added, or removed, row by…
Task Breakdown Tool
Pick a project type preset or build your own breakdown from scratch, add subtasks with time…
Text Replacer
Paste text or upload one file and find and replace text instantly, with optional regex support and…
Version Compare
Compare two versions of a text file line by line with a clear added/removed/unchanged diff view,…
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Choose the right online file tool
Use the security tools to inspect metadata, verify checksums, scan for sensitive data, and protect files. The project management tools help organize tasks and dependencies; file management tools help compare, search, rename, and organize files. For reports and data checks, browse analysis tools, or use workflow tools to clean, merge, split, and transform everyday file and CSV data.
Private, practical file workflows
These free browser-based utilities are designed for focused tasks without installing a desktop application. Many process files locally, and each tool page explains its inputs, outputs, and limitations. Choose a tool by the job you need to finish, then review the generated result before replacing an original file or sharing sensitive information.