Help Center
Everything you need to know about using Toolihive.
Privacy First
Toolihive is built on Zero-Server Processing. Traditional tools upload your data to their servers. We don't.
Your files stay in your browser's RAM. They are deleted immediately when you close the tab.
Frequently Asked Questions
Find quick answers to common questions about our optimization tools.
📸 Instagram Resizer
How do I resize an image for Instagram?
Upload your image, choose the format (post, story, or reel), and download the resized version instantly.
What is the best size for Instagram posts?
The ideal size is 1080×1080 (square), 1080×1350 (portrait), and 1080×1920 for stories and reels.
Will resizing reduce image quality?
No, the tool is optimized to maintain the best possible quality during resizing.
Can I use this on mobile?
Yes, the Instagram resizer works on all devices including mobile phones and tablets.
🎵 TikTok Resizer
What size should TikTok images be?
TikTok uses a 9:16 vertical format, usually 1080×1920 pixels for best results.
How do I make my image fit TikTok?
Upload your image, and the tool automatically resizes it to the correct 9:16 ratio.
Does this work for TikTok videos too?
This tool is designed for images, not videos, but it optimizes visuals for TikTok posts.
Is this TikTok resizer free?
Yes, it is completely free with no signup required.
📺 YouTube Thumbnail Tool
What is the best YouTube thumbnail size?
The recommended size is 1280×720 pixels with a 16:9 aspect ratio.
How do I resize an image for YouTube?
Upload your image and the tool will convert it to the correct thumbnail size instantly.
Will my thumbnail lose quality?
No, the tool preserves image quality while resizing to YouTube standards.
Can I preview my thumbnail before downloading?
Yes, you can preview the resized image before saving it.
📉 Image Compressor
How do I compress an image to a specific size?
Upload your image, set your target size (e.g., 100KB), and click compress.
Does compression reduce image quality?
Slightly, but the tool balances compression and quality for best results.
What image formats are supported?
You can compress JPG, PNG, and WebP images.
Is there a limit on image size?
Most large images are supported, but performance depends on your browser.
🔤 Case Converter
How do I change text case?
Paste your text and select Upper, Lower, or Title case to convert instantly.
Is title case accurate?
Yes, it follows standard capitalization rules for titles and headings.
🧹 Whitespace Fix
What does Whitespace Fix do?
It removes extra spaces, duplicate line breaks, and cleans up messy text formatting.
Can it fix broken paragraphs?
Yes, it's designed to normalize text for better readability and structure.
✂️ Duplicate Remover
How do I remove duplicates?
Paste your list and the tool will automatically strip all redundant entries.
Does it preserve order?
Yes, it keeps the original order but removes subsequent identical lines.
🎓 GPA Calculator
How is the GPA calculated?
It uses customizable scales (4.0, 4.5, 5.0) based on your grades and credit hours.
Can I add multiple semesters?
Yes, you can add as many courses as needed to calculate your cumulative GPA.
📊 Percentage Calculator
How do I calculate exam percentages?
Enter your raw score and the total possible points. The tool instantly shows your percentage and letter grade.
What grading scale is used?
It uses a standard 10-point scale: 90/80/70/60 for A, B, C, and D respectively.
📚 Citation Maker
Which citation styles are supported?
The tool generates accurate references for both APA 7th ed. and MLA 9th ed. formats.
Is it student-friendly?
Absolutely. Just enter the source details and copy the perfectly formatted result.