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Practical guides for real problems. Start with clear steps, explore useful tools, and see the sources behind each guide.
30 practical guides. No account needed.
Text & documents
Understand, compare and tidy the text in front of you.
Preview a Markdown draft before publishing
Preview headings, emphasis and lists, then check the result in your publishing editor. Follow a practical path for cleaner Markdown drafts.
Compare text versions or CSV records by key
Compare text line edits or align two CSV snapshots by unique keys. Review added, removed and changed records without treating row order as a change.
Check a word or character limit
Count the words and characters in a selected draft, check which sections belong in the limit, and avoid surprises when submitting the final text.
Clean text lists and deduplicate CSV records
Clean repeated list entries or compare CSV records by selected columns. Review kept and removed results, preserve input order, and keep a source copy.
Understand a difficult concept in plain language
Turn an unfamiliar concept into a clearer explanation, ask for a concrete example, and check important details against the original material.
Data & development
Inspect formats, test patterns and move small datasets carefully.
Make JSON readable and find syntax errors
Format a JSON sample, inspect parse errors, and preserve the values you started with before using the result in a configuration or API request.
Convert CSV to JSON without losing identifiers
Convert quoted CSV fields to JSON, preserve leading zeros and long identifiers as strings, and check multiline records with a downloadable example.
Turn flat JSON records into a spreadsheet table
Convert a flat JSON array into CSV, check the exported columns, and verify how your spreadsheet interprets identifiers and formula-like text.
Test a pattern against real examples
Check a regular expression against matching and non-matching examples, choose the right flags, and verify the pattern in its destination engine.
Turn a timestamp into the right date and time
Decode a timestamp, distinguish seconds from milliseconds, and compare universal and local time before interpreting an event or log entry.
Images & design
Prepare clear, appropriately sized visual assets.
Make a photo smaller before uploading
Reduce a photo’s file size with a JPEG export, compare the result with the original, and check the destination’s size and format requirements.
Resize an image without stretching it
Calculate proportional image dimensions, decide whether to crop or fit, and check the final asset at the size where people will actually see it.
Create a simple favicon for a new site
Create a small text-based browser icon, export PNG sizes, and check that it remains recognizable in a tab before adding it to your website.
Check colors before using them in an interface
Convert a color value for your stylesheet, check its contrast against the actual background, and avoid using color alone to communicate meaning.
Make a QR code that works in its final placement
Create a QR code for a destination you control, keep clear margins around it, and test the downloaded result before printing or sharing it.
AI workflows
Connect tools and plan repeatable work with practical checks.
Connect an AI assistant to an external tool
Find a suitable tool connector, check its configuration and permissions, and verify one small read-only action before relying on the connection.
Estimate prompt size before a model request
Estimate a text prompt’s size, separate context from expected output, and verify exact usage with the model provider before setting a budget.
Choose a workflow before choosing an AI agent
Describe a repeatable task, compare a simple workflow with an autonomous agent, and test a small example before adopting a larger framework.
Get a second look at a small code change
Give a code reviewer enough context, inspect suggested problems, and test proposed fixes before treating any generated review as reliable.
Write a schedule with the right time zone
Build a basic cron expression, check the scheduler’s syntax and time zone, and verify the first run before relying on unattended automation.
Writing & communication
Draft useful messages while keeping your facts and voice.
Write an email with one clear next step
Turn a brief situation into a concise email draft, choose a suitable tone, and check the recipient’s next action before sending the message.
Draft a cover letter from real experience
Connect a role’s requirements to examples from your own experience, draft a focused cover letter, and check every claim before submitting it.
Tailor a resume without inventing experience
Match a job description to your existing experience, improve relevant bullet points, and check that a rewritten resume preserves the original facts.
Draft a considerate apology for a small mistake
Describe a specific everyday mistake, acknowledge its impact, and draft an apology with a realistic next step rather than a generic reassurance.
Brainstorm a clear name for a project
Generate project-name directions from an audience and purpose, test whether people understand them, and separate brainstorming from availability checks.
Buying & decisions
Start with your constraints, then build a checked shortlist.
Choose a monitor for your actual desk and computer
Build a monitor shortlist from your screen tasks, desk space and connection limits, then verify current specifications before buying anything.
Check a dock before connecting your whole setup
Match a dock to your laptop, displays and power needs, and check the capabilities of every port and cable instead of relying on connector shape.
Check desk size and monitor-arm clamp clearance
Check desk and monitor-arm dimensions, underside obstructions and room space. See measured conflicts and unknowns without mistaking fit for safety.
Choose a keyboard for your layout and noise needs
Compare keyboard layouts, switch feel and connection needs, then check a small shortlist against your workspace instead of choosing by labels alone.
Improve a video call before buying a new webcam
Check framing, lighting and application settings with your current camera, then decide whether a different webcam would address the remaining problem.
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