Highly-Rated Tools
All free online tools rated 4.0 stars and above — a curated list of the most useful, reliable utilities on the site.
69 tools · rated 4★ or higher
- Math4.9
Age Calculator
Calculate exact age in years, months, days, hours, and seconds from any birth date.
- AI4.9
AI Code Explainer
Paste any code, pick a depth (summary, line-by-line, beginner-friendly), and get a streamed plain-English explanation.
- AI4.9
AI PDF Summarizer
Drop a PDF — text is extracted in your browser via PDF.js, then summarized with GPT-4o-mini.
- Image4.9
AI Photo Editor
Free AI photo editing suite — upscale, erase objects, colorize old photos, and compress for sharing.
- AI4.9
Image to Text (AI OCR)
Extract text from any screenshot, document photo, receipt, or handwritten note with GPT-4o vision.
- Generators4.9
Invoice Generator
Create a professional invoice with line items, tax, and totals. Download as PDF instantly.
- Dev4.9
IP Address Lookup
Look up your public IP and any IPv4/IPv6 address — see country, city, ISP, and ASN.
- Dev4.9
JSON Formatter
Format, validate, minify, and inspect JSON with helpful error messages.
- Finance4.9
Loan Calculator
Calculate monthly EMI, total interest, and full amortization schedule for any loan.
- Generators4.9
Resume Builder
Build a clean, ATS-friendly resume in minutes and download it as a polished PDF.
- Finance4.9
Retirement Calculator
Project how much you'll have at retirement based on age, savings, contributions, and expected return.
- Health4.9
TDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) — the calories you burn each day.
- Text4.9
Word Counter
Count words, characters, sentences, paragraphs, reading time, and keyword density in real time.
- AI4.8
AI Commit Message Generator
Paste a git diff (or describe the change) and get three Conventional Commits messages, ready to use.
- AI4.8
AI Cover Letter Generator
Paste a job description and resume bullets — get a tailored cover letter that quotes the posting back.
- AI4.8
AI Email Writer
Pick an email type (follow-up, cold outreach, apology, meeting request, thank-you), describe context, get a clean email with subject line.
- Image4.8
AI Headshot Generator
Upload one selfie, pick a style, and generate a professional AI headshot for LinkedIn or your website.
- Image4.8
AI Image Upscaler
Enlarge any photo to 2× or 4× resolution with a state-of-the-art diffusion upscaler.
- Image4.8
AI Photo Colorizer
Restore black-and-white family photos to lifelike color with a state-of-the-art AI model.
- Image4.8
AI Room Redesigner
Upload a photo of your room and see it redesigned in 8 styles — Modern, Japandi, Minimalist, Boho, more.
- AI4.8
AI SQL Generator
Describe a query in plain English, pick your dialect, get clean ready-to-run SQL with optional schema hints.
- AI4.8
AI Subtitle Generator
Generate timed SRT and WebVTT subtitle files from any audio or video with OpenAI Whisper.
- Dev4.8
Base64 Encoder / Decoder
Encode and decode text or files to/from Base64 — fast, private, runs entirely in your browser.
- Health4.8
BMI Calculator
Calculate Body Mass Index (BMI), see your category, and find your healthy weight range.
- Text4.8
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, kebab-case and more in one click.
- Converters4.8
Color Converter (HEX, RGB, HSL, HSV)
Convert colors between HEX, RGB, HSL, and HSV formats with a live preview swatch.
- Generators4.8
Color Palette Generator
Generate harmonious 5-color palettes — random, monochrome, complementary, analogous, or triadic.
- Finance4.8
Compound Interest Calculator
Project investment growth over time with regular contributions, custom compounding frequency, and a yearly chart.
- Generators4.8
CSS Gradient Generator
Build linear or radial CSS gradients with up to 5 stops and copy the production-ready CSS.
- Converters4.8
CSV ⇄ JSON Converter
Convert spreadsheet CSV to JSON arrays — or arrays of objects back to CSV — entirely in your browser.
- Math4.8
Date Calculator
Find days between two dates, or add/subtract days, weeks, months, or years from any date.
- Dev4.8
Hash Generator (MD5, SHA-1, SHA-256, SHA-512)
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes from any text — instantly, entirely in your browser.
- Image4.8
Image Compressor
Compress JPG, PNG, and WebP images in-browser with quality and size controls.
- Image4.8
Image Format Converter (PNG / JPEG / WebP)
Convert images between PNG, JPEG, and WebP locally — see the file-size savings before you download.
- Image4.8
Image Resizer
Resize images to exact dimensions with locked aspect ratio — export PNG, JPEG, or WebP without uploads.
- Converters4.8
Image to PDF Converter
Combine JPG, PNG, or WebP images into a single PDF — reorder pages, pick page size, and download instantly.
- Dev4.8
JWT Decoder
Decode JSON Web Tokens to inspect header, payload, and expiration — locally, no signature verification needed.
- Text4.8
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words for mockups and designs.
- AI4.8
Meeting Transcriber
Upload a Zoom, Teams, or Google Meet recording and get a transcript ready for action-item extraction.
- Generators4.8
Meme Generator
Make memes with custom top/bottom text on classic templates or your own image. Download as PNG.
- SEO4.8
Meta Tag Generator
Generate SEO title, description, canonical, Open Graph, and Twitter meta tags.
- Generators4.8
Password Generator
Generate strong, random passwords with adjustable length, character sets, and a live strength meter.
- Converters4.8
PDF Compressor
Shrink PDF file size in your browser — pick a quality preset and download a smaller PDF instantly.
- Math4.8
Percentage Calculator
Find X% of Y, what percent X is of Y, and the percent change between two numbers — instantly.
- AI4.8
Podcast Transcriber
Drop a podcast MP3, M4A, or WAV and get a clean text transcript powered by OpenAI Whisper.
- Generators4.8
QR Code Generator
Create custom QR codes for URLs, text, Wi-Fi or contact info — with logos, color, and PNG/SVG export.
- Text4.8
Slug Generator
Convert any title or sentence into a clean, URL-safe slug for blogs, articles, or product pages.
- Text4.8
Text Diff Checker
Compare two blocks of text line-by-line and highlight added, removed, and unchanged lines.
- AI4.8
Text to Speech
Convert any text to natural-sounding speech with multiple voices. Play, pause, and download as audio.
- Math4.8
Tip Calculator
Calculate tip, total, and per-person split for any restaurant bill — with quick-pick tip percentages.
- Converters4.8
Unit Converter
Convert length, weight, temperature, area, volume, and speed units instantly.
- Converters4.8
Unix Timestamp Converter
Convert between Unix timestamps and ISO 8601 / human-readable dates with UTC, local, and relative views.
- Dev4.8
URL Encoder / Decoder
Encode and decode URL components and inspect protocol, host, path, and query parameters.
- Dev4.8
UUID Generator
Generate UUID v4 or UUID v7 identifiers in batches — copy individually or all at once.
- AI4.8
Video to Text Transcription
Transcribe a video or audio file to clean text with OpenAI Whisper. Free, BYOK, no backend.
- AI4.7
AI Bio Generator
Write polished bios for LinkedIn, Twitter/X, Instagram, GitHub, or your website with the right length and tone.
- AI4.7
AI Essay Writer
Generate a structured essay on any topic with adjustable length, tone, and audience — streaming, free, BYOK.
- Image4.7
AI Object Remover
Brush over any object in a photo and let an AI inpainting model erase it cleanly.
- AI4.7
AI Paragraph Rewriter
Rewrite any paragraph to a target tone (formal, casual, simpler, persuasive, academic, shorter, longer).
- Image4.7
AI Photo to Sketch
Convert any photo into pencil sketch, charcoal, anime line art, ink, or watercolor in seconds.
- Image4.7
AI Profile Picture Generator
Type a description and generate a profile picture from text — no selfie required. Photorealistic, illustration, 3D, watercolor, anime.
- AI4.7
AI Regex Generator
Plain English to regex with a part-by-part breakdown — and a built-in live tester for JavaScript flavor.
- Image4.7
AI Thumbnail Generator
Generate a YouTube, Shorts/Reels, blog, or podcast thumbnail from your video title or topic.
- AI4.7
Humanize AI Text
Rewrite stiff AI-sounding text into clearer, more natural wording with local rules.
- Generators4.7
Link in Bio Generator
Build a free Linktree-style page in seconds — share one link to all your profiles.
- AI4.7
Speech to Text
Transcribe your voice to text in real time, right in your browser. Free dictation tool.
- AI4.6
AI Content Detector
Estimate the likelihood that a piece of text was generated by ChatGPT or another AI.
- Image4.6
AI Logo Generator
Type your brand name, industry, and style and get unique logo concepts in seconds. Powered by Fal.ai Flux.
- AI4.6
AI Product Description Generator
Channel-aware product copy for Amazon, Shopify, Etsy, eBay, or your own site. Tone, audience, keywords.
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