Coming soon
PDF Editor
Add text, images, signatures, highlights, and page changes to a PDF.
Complete directory
All ConduitTools
Browse all 64 free tools in one place. 63 are available today, with anything still in development clearly marked.
5 tools
- Available
PDF
PDF Compressor
Reduce PDF file size for email, forms, and online uploads.
- Available
PDF
PDF Merge & Split
Combine PDFs, or pull out the pages you need, without uploading the files.
- Available
PDF
PDF to Images
Convert PDF pages into downloadable JPG or PNG images.
- Available
PDF
Image to PDF
Turn JPG, PNG, and WebP images into one organized PDF without uploading them.
PDF
Images
12 tools
- Available
Images
Image Converter & Compressor
Convert PNG, JPG, and WebP images, shrink file sizes, and resize in bulk without uploading anything.
- Available
Images
Image Cropper
Crop photos with freeform or preset aspect ratios, rotate or flip them, set an exact output size, then export as JPG, PNG, or WebP.
- Available
Images
HEIC to JPG / PNG Converter
Convert HEIC and HEIF photos from an iPhone into JPG or PNG that any computer, website, or app can open.
- Available
Images
Social Media Image Resizer
Crop and resize a photo to the exact size Instagram, Facebook, TikTok, YouTube, LinkedIn, and X expect.
- Available
Images
Passport / ID Photo Maker
Crop a photo to a standard ID size such as 2x2 in or 35x45 mm, set a plain background, and build a print sheet.
- Available
Images
Drawing & Sketch Pad
Draw freehand, add lines, arrows, rectangles, ellipses and text, erase, undo and redo, then export your sketch as a PNG, JPG or WebP.
- Available
Images
EXIF / Image Metadata Remover
Remove EXIF, GPS, camera, date, and other metadata from one image or a whole batch, then download clean copies.
- Available
Images
EXIF / Image Metadata Viewer
See the camera, lens, date, and GPS details stored in a photo, and save a copy with the metadata removed.
- Available
Images
Aspect Ratio Calculator
Calculate proportional width and height values for images, video, and layouts.
- Available
Images
Favicon Generator
Make favicon.ico, browser, iPhone and Android icons and a web app manifest from one logo or a letter.
- Available
Images
Image to Text (OCR)
Extract editable text from screenshots, receipts, documents, and photos without uploading the image.
- Available
Images
Background Remover
Remove backgrounds from portraits and clean product photos, then download a transparent PNG or solid-background JPG.
Text
3 tools
- Available
Text
Text Formatter
Change case, clean spacing, organize lines, find and replace text, then copy or export the result.
- Available
Text
Word & Character Counter
Count words, characters, sentences, and reading time, check social and SEO length limits, and spot repeated keywords.
- Available
Text
Text Diff Checker
Compare two blocks of text and highlight added, removed, and changed lines and words, side by side or unified.
Developer
8 tools
- Available
Developer
JSON Formatter
Format, validate, minify, and inspect JSON with readable errors.
- Available
Developer
Base64 Encoder / Decoder
Convert plain text to Base64 and decode Base64 strings locally.
- Available
Developer
URL Encoder / Decoder
Encode URL components or turn encoded strings back into readable text.
- Available
Developer
Hash Generator
Generate SHA-256, SHA-1, and MD5 hashes from text.
- Available
Developer
JWT Decoder
Decode JWT headers and payloads locally without sending the token to a server.
- Available
Developer
Regex Tester
Test regular expressions with live match highlighting and a readable match summary.
- Available
Developer
SQL Formatter
Format SQL queries into a cleaner, easier-to-read structure for PostgreSQL, MySQL, SQL Server and more.
- Available
Developer
HTML, CSS & JavaScript Formatter
Pretty-print or minify HTML, CSS, and JavaScript in one place.
Converters
7 tools
- Available
Converters
CSV / Excel Converter
Turn an Excel workbook into CSV one sheet at a time, or build an Excel file from CSV data.
- Available
Converters
Unit Converter
Convert length, weight, temperature, volume, speed and more between metric and imperial units, with feet and inches and the formula shown.
- Available
Converters
JSON and CSV Converter
Convert JSON arrays to CSV and CSV data back into structured JSON.
- Available
Converters
CSV to Markdown Table Converter
Turn CSV data into a clean Markdown table ready to paste.
- Available
Converters
JSON to TypeScript Converter
Generate TypeScript interfaces from representative JSON data.
- Available
Converters
Markdown to HTML Converter
Convert Markdown into clean HTML markup, with a safe live preview.
- Available
Converters
JSON and YAML Converter
Convert between JSON and YAML while preserving the data structure.
Generators
8 tools
- Available
Generators
Barcode Generator & Scanner
Create Code 128, Code 39, EAN-13, and UPC-A barcodes, and read a barcode from an image or your camera.
- Available
Generators
QR Code Generator
Create QR codes for links, Wi-Fi, WhatsApp, phone numbers, contacts, and other shareable data, styled your way.
- Available
Generators
Invoice Generator
Build a clean invoice with line items, discount, tax, and shipping, then download it as a PDF from your browser.
- Available
Generators
Signature Maker
Draw or type a signature and export it as a transparent PNG ready to drop into a document.
- Available
Generators
Password Generator
Create strong passwords and passphrases locally with configurable length and character sets.
- Available
Generators
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, words, or lists for mockups.
- Available
Generators
Dummy Data Generator
Build sample records from the fields you pick, such as names, emails, phone numbers, addresses, companies and dates, then export them as JSON, CSV, SQL or a table.
- Available
Generators
UUID Generator
Generate one or many standards-based UUIDs directly in the browser.
SEO & Marketing
4 tools
- Available
SEO & Marketing
Slug Generator
Turn titles and phrases into clean, lowercase, URL-ready slugs.
- Available
SEO & Marketing
UTM Link Builder
Add campaign tracking parameters to any URL and keep your naming consistent.
- Available
SEO & Marketing
Meta Tag & Open Graph Generator
Write title, description, and social share tags with a live Google, Facebook, and X preview.
- Available
SEO & Marketing
JSON-LD Schema Generator
Build FAQ, Article, Product, and other structured data markup from a simple form.
Color & CSS
6 tools
- Available
Color & CSS
Color Contrast Checker
Check foreground and background colors against WCAG AA and AAA contrast thresholds.
- Available
Color & CSS
Color Converter
Convert colors between HEX, RGB, HSL, and OKLCH with a live picker.
- Available
Color & CSS
PX to REM Converter
Convert between pixels, rem, and em for any base font size.
- Available
Color & CSS
CSS Gradient Generator
Design linear, radial, and conic gradients visually and copy the CSS.
- Available
Color & CSS
CSS Box Shadow Generator
Layer and tune box shadows with a live preview, then copy the CSS.
- Available
Color & CSS
CSS Filter Generator
Find a CSS filter that turns a black icon into any color, or build blur, grayscale and sepia filters with live preview.
Calculators
6 tools
- Available
Calculators
Online Calculator
Work through sums with a standard and scientific calculator: powers, roots, logarithms, trigonometry, constants, memory keys, and a tape of everything you worked out.
- Available
Calculators
Percentage Calculator
Work out a percentage of a number, what percentage one number is of another, and percentage increase or decrease.
- Available
Calculators
Discount Calculator
Find the sale price and the money saved from a discount, including a second stacked discount and sales tax.
- Available
Calculators
Age Calculator
Turn a date of birth into an exact age in years, months, and days, with the next birthday and a day countdown.
- Available
Calculators
Date Difference Calculator
Count the days, weeks, months, and years between two dates, with an option to include both dates.
- Available
Calculators
Business Days Calculator
Count working days between two dates, skipping weekends and any holidays you add.
Date & Time
5 tools
- Available
Date & Time
Time Zone Converter
Compare the time in any two places, see the time difference, convert a date and time between time zones, and find when working hours overlap.
- Available
Date & Time
Stopwatch & Timer
An online stopwatch with laps, countdown timers that ring when time is up, and an alarm clock with snooze.
- Available
Date & Time
Pomodoro Timer
Run focus and break cycles with a task list, session counts, alarm sounds, piano, jazz and lo-fi focus music, and a full-screen timer you can theme or set your own photo behind.
- Available
Date & Time
Unix Timestamp Converter
Convert Unix timestamps to readable dates in two time zones side by side, and readable dates back to Unix time.
- Available
Date & Time
Cron Expression Explainer
Translate cron expressions into plain English and see the next times they run in any time zone.