Tutorials
Long-form walkthroughs for every FindMeTool category, plus deep dives into each developer section. Pair a tutorial with the free browser tools it references when you want context beyond a single widget.
Category tutorials
Start here if you are new to a whole area of the site. Each guide is at least 1,000 words and links to the tools it discusses.
Developer
Developer Tools on FindMeTool: A Complete Workflow Guide
Learn how JSON formatters, YAML validators, code beautifiers, text utilities, and reference pages fit together on FindMeTool. Practical workflows for debugging APIs, cleaning configs, and shipping readable snippets.
CSV
CSV Toolkit on FindMeTool: Format, Convert, Filter, and Reshape Exports
Learn how csv-formatter, csv-validator, CSV to JSON, dedupe, split, merge, filter, sort, and delimiter tools work together. Practical workflows for spreadsheet exports and data cleanup.
Image
Image Tools on FindMeTool: Compress, Resize, Filter, and Prepare Photos for the Web
A practical tour of FindMeTool image utilities: compress files, resize to exact pixels, apply photo filters, crop with aspect presets, convert formats, and extract text with OCR. All processing stays in your browser.
General
Everyday Tools on FindMeTool: Dates, Timers, Browser Details, and Numbers
Use FindMeTool general utilities for age math, day counting, countdown timers, browser details, random picks, durations, and percentages. Fast answers in the browser without installing apps.
Physics
Physics Calculators on FindMeTool: Spectroscopy, Quantum, and Lab Conversions
Learn how photon energy, De Broglie wavelength, quantum numbers, Planck's law, logs, and unit converters fit together on FindMeTool. Browser workflows for homework, labs, and exam review.
Automotive
Automotive Calculators on FindMeTool: Fuel, Trips, and Unit Conversions
Plan fuel spend, trip budgets, economy conversions, and parking fees with browser calculators. You enter pump prices and distances, with no live fuel APIs.
Job & Resume
Job & Resume Tools on FindMeTool: Counts, Extracts, and Date Math
Count resume words, extract job description keywords, compare drafts, build boolean search strings, and calculate employment durations in your browser.
Developer section tutorials
The developer category is split into focused sections. These tutorials explain when to reach for JSON tools versus formatters, reference pages, and text utilities.
JSON Tools on FindMeTool: Format, Validate, Compare, and Ship Clean Payloads
Master the JSON section on FindMeTool: pretty print with json-formatter, catch syntax errors with json-validator, minify for logs, diff two versions, sort keys for stable reviews, and convert to YAML when configs need it.
TOML Tools on FindMeTool: Format, Validate, Convert, and Compare Configs
Use toml-formatter, toml-validator, toml-json-converter, toml-diff, and toml-sort-keys for Cargo, pyproject, and ops configs. Browser workflows for review and debugging.
Encoding Tools on FindMeTool: Base64 and URL Percent-Encoding
Encode and decode Base64 and URL strings with base64-encode, base64-decode, url-encode, and url-decode. Practical tips for APIs, query strings, and debugging transport layers.
Regex Tester on FindMeTool: Patterns, Flags, and Capture Groups
Test regular expressions with regex-tester: live match tables, flag toggles, and group inspection for JavaScript-compatible patterns during API and log debugging.
YAML, XML, CSV, and SQL Formatting on FindMeTool
Format and validate configuration and data files with yaml-formatter, yaml-validator, yaml-to-json, xml-formatter, csv-formatter, and sql-formatter. Practical tips for Kubernetes, exports, and queries.
Inspect Tools on FindMeTool: JWT, Headers, Cookies, and Unicode
Paste-only inspectors for JWT claims, HTTP headers, cookies, User-Agent strings, Unicode code points, and robots.txt rules. Informational debugging without live fetches.
Hash Digest Tools on FindMeTool: MD5 and SHA Families
Generate MD5, SHA-1, SHA-256, and SHA-512 hex digests from pasted text in the browser. Informational checksums for learning and legacy comparisons.
QR Code Generator on FindMeTool: Links You Can Scan
Create QR codes from URLs or short text with the FindMeTool qr-code-generator. Tips for print size, contrast, testing scans, and choosing stable landing pages.
Text Utilities on FindMeTool: Counts, Cases, Chunks, and Reading Time
Use case-converter, word-counter, character-counter, duplicate-line-remover, remove-empty-lines, character-frequency-analyzer, prompt-word-character-counter, text-chunking-calculator, and reading-time-calculator for writing, specs, and LLM prep.
Code Formatters on FindMeTool: Markdown, HTML, CSS, and JavaScript
Beautify documentation and snippets with markdown-preview, markdown-table-generator, html-formatter, css-formatter, and javascript-formatter. Readable markup for reviews, emails, and README files.
Cloud & Container Sizing Calculators on FindMeTool
Plan vCPU, RAM, GPU VRAM, Kubernetes nodes, CDN egress, and Docker host limits with browser calculators. Technical sizing only, no pricing.
Reference Tools on FindMeTool: HTTP Status Codes and Unix Timestamps
Look up HTTP status phrases with http-status-codes and convert epoch values with unix-timestamp-converter. Fast answers during debugging and log analysis.
Topic guides
Shorter focused articles on JSON basics, image sizing, unit conversion, and related workflows (11 guides).
What Is JSON? A Plain-English Guide for Developers
Learn what JSON is, how objects and arrays work, and when to use JSON instead of XML or YAML. Includes examples you can paste into a JSON Formatter.
How to Pretty Print JSON (Readable Indentation)
Step-by-step guide to pretty-printing minified JSON API responses and config files. Learn indentation, sorting keys, and common errors before you paste.
JSON vs YAML: When to Use Each Format
Compare JSON and YAML for APIs, Kubernetes configs, and CI files. Learn syntax differences, safety considerations, and how to convert between them.
Image Dimensions for Social Media (2026 Cheat Sheet)
Recommended pixel sizes for Open Graph, Instagram, YouTube thumbnails, LinkedIn, and X. Resize images to exact dimensions without stretching.
Resize Images for the Web Without Stretching
Learn aspect ratio, width-only vs height-only scaling, and retina displays. Resize photos in your browser before uploading to WordPress, Shopify, or static sites.
Pixels vs File Size: What Actually Slows Your Site
Understand the difference between image dimensions (pixels) and file weight (KB/MB). Learn when to resize, when to compress, and how formats affect page speed.
How to Compress Images for Faster Web Pages
Practical compression guide: JPEG quality settings, WebP exports, PNG optimization, and when compression is enough without resizing.
Metric vs Imperial Units: A Practical Conversion Guide
Compare metric and US customary units for length, weight, volume, and temperature. Learn conversion factors and when approximate mental math is enough.
Celsius to Fahrenheit Explained (Formula & Examples)
Learn the exact °C to °F formula, quick mental shortcuts, and common reference temperatures for weather, cooking, and travel.
Kg to Lbs Conversion Guide (Kilograms to Pounds)
Convert kilograms to pounds and back with the exact factor, worked examples for shipping, fitness, and recipes, plus common mistakes to avoid.
How to Check the Time Around the World (Without Guessing)
Learn how browser world clocks use time zones, why approximate location is not GPS, and how to confirm city times for calls and travel planning.
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