53 free online tools.
Fast, responsive utilities for common digital tasks. Many tools work entirely in your browser, so there is no unnecessary file upload.
Image tools
Image Compressor
Compress JPG, PNG and WebP images in your browser with a quality slider and instant size preview.
Open tool →Compress Image to Exact KB
Aim for a target file size such as 50 KB, 100 KB, 200 KB or any custom amount.
Open tool →Image Resizer
Resize an image by width and height while keeping control of the output format.
Open tool →PNG to JPG
Convert PNG images to JPG locally in your browser.
Open tool →JPG to PNG
Convert JPG/JPEG images to PNG locally in your browser.
Open tool →WebP to JPG
Convert WebP images to JPG without uploading them to TheTecTricks.
Open tool →Image Dimension Checker
Inspect an image’s pixel width, height, aspect ratio, file type and file size.
Open tool →Rotate Image
Rotate an image 90°, 180° or 270° locally in your browser.
Open tool →Flip Image
Flip an image horizontally or vertically directly in your browser.
Open tool →Grayscale Image
Create a black-and-white grayscale version of an image locally.
Open tool →Image Brightness Adjuster
Lighten or darken an image in the browser and export a new copy.
Open tool →Image to Base64
Convert a local image into a Base64 data URL in your browser.
Open tool →Text tools
Word Counter
Count words, characters, sentences, paragraphs and estimated reading time as you type.
Open tool →Character Counter
Count characters with and without spaces, words and lines instantly.
Open tool →Text Case Converter
Convert text to uppercase, lowercase, title case or sentence case.
Open tool →Remove Extra Spaces
Remove repeated spaces and tidy whitespace from pasted text.
Open tool →Remove Duplicate Lines
Remove repeated lines while preserving the first occurrence.
Open tool →Sort Lines
Sort lines alphabetically A–Z or Z–A in your browser.
Open tool →Reverse Text
Reverse text by characters or reverse the order of lines.
Open tool →URL Slug Generator
Turn a title or phrase into a clean lowercase URL slug.
Open tool →Find & Replace Text
Find a phrase and replace every occurrence locally in your browser.
Open tool →Line Counter
Count total, non-empty and empty lines in pasted text.
Open tool →Add Prefix or Suffix to Lines
Add the same prefix, suffix or both to every non-empty line.
Open tool →Text to Clean List
Split comma, semicolon or newline-separated text into one clean item per line.
Open tool →Developer tools
JSON Formatter
Format, validate and minify JSON directly in your browser.
Open tool →JSON to CSV
Convert a flat JSON array of objects into downloadable CSV.
Open tool →CSV to JSON
Convert simple comma-separated CSV into a JSON array locally.
Open tool →URL Encoder / Decoder
Encode or decode URL components safely in your browser.
Open tool →Base64 Encoder / Decoder
Encode ordinary text to Base64 or decode Base64 back to text.
Open tool →HTML Entity Encoder / Decoder
Encode HTML-sensitive characters or decode HTML entities locally.
Open tool →Unix Timestamp Converter
Convert Unix timestamps to local/UTC dates and dates back to timestamps.
Open tool →UUID Generator
Generate random RFC 4122 version 4 UUIDs using the browser crypto API.
Open tool →SHA-256 Hash Generator
Generate a SHA-256 digest from text using your browser’s Web Crypto API.
Open tool →JWT Decoder
Decode the header and payload of a JWT locally without verifying its signature.
Open tool →Query String Parser
Parse a URL query string into readable key/value pairs or JSON.
Open tool →HEX / RGB Color Converter
Convert HEX colors to RGB and RGB values back to HEX.
Open tool →Web & SEO tools
Meta Tag Generator
Generate a clean HTML title and meta description snippet.
Open tool →Open Graph Tag Generator
Generate Open Graph tags for social sharing previews.
Open tool →UTM Campaign URL Builder
Build campaign URLs with standard UTM parameters.
Open tool →Robots.txt Generator
Generate a simple robots.txt template with optional sitemap location.
Open tool →Canonical Tag Generator
Generate a canonical link element for a preferred page URL.
Open tool →Hreflang Tag Generator
Generate hreflang link tags for language and regional page variants.
Open tool →301 Redirect Snippet Generator
Generate a simple Apache .htaccess 301 redirect line from one path to another.
Open tool →FAQ Schema Generator
Build basic FAQPage JSON-LD for machine-readable FAQ content. Google Search no longer shows FAQ rich results.
Open tool →Device tools
Security tools
Calculator tools
Aspect Ratio Calculator
Calculate matching width or height for a chosen aspect ratio.
Open tool →Percentage Calculator
Calculate a percentage of a number or find what percent one number is of another.
Open tool →File Size Converter
Convert bytes, KB, MB, GB and TB using binary (1024-based) units.
Open tool →PX to REM Converter
Convert CSS pixels to rem and rem back to pixels using a configurable root size.
Open tool →Date Difference Calculator
Calculate the number of calendar days between two dates in your browser.
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