All in one Free Online Tools

One place for image, PDF, text, SEO, developer tools, calculators & more. No sign-up, no install.

50K+ Active Users
1M+ Files Processed
100+ Online Tools
99.9% Uptime

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Everything you need in one place

Image

Resize, compress, convert & edit images

Instagram

Posts, stories, grid slicer & more

Resume & Career

Resume builder, cover letter, templates

PDF

Merge, split, protect & convert PDFs

Format Change

Base64, JSON, XML, encoding & more

Text

Word counter, case converter, sorter

SEO

Meta tags, sitemap, keyword density

Developer

JSON, HTML, CSS, JS formatter & minify

Generators

QR code, password, UUID, Lorem Ipsum

Calculators

Age, BMI, EMI, percentage, GST

How It Works

Three simple steps

01

Pick a Tool

Browse 100+ free tools. Find what you need in seconds.

02

Use It Instantly

No sign-up, no downloads. Everything runs in your browser.

03

Get Your Results

Copy, download or share. Your data stays private.

Image Tools

Resize, compress, convert and edit images online

Compress Image

Reduce image size without losing quality.

Resize Image

Change dimensions in pixels or percentage.

Image Cropper

Crop JPG, PNG or GIF by defining a rectangle.

Image Format Converter

Convert between JPG, PNG, WebP, SVG.

Image to Base64

Convert image to Base64 string online.

Base64 to Image

Decode Base64 string to image.

Image Watermark

Add text watermark to images.

Image Rotator

Rotate image 90°, 180°, or 270°.

Text Tools

Word count, character count, case conversion and text utilities

Word Counter

Count words, characters, sentences.

Character Counter

Count characters with/without spaces.

Case Converter

UPPERCASE, lowercase, Title Case.

Remove Duplicate Lines

Remove duplicate lines from text.

Text Sorter

Sort lines A–Z or Z–A.

Text Reverser

Reverse text or line order.

Instagram Tools

Create posts, stories and grid layouts

Instagram Post Generator

Create square/carousel post mockups.

Story Template

Design 9:16 story templates.

Grid Slicer

Slice one image into 3x3 or custom grid.

Hashtag Generator

Generate relevant hashtags for your niche.

Resume & Career Tools

Build resumes, cover letters and career documents

Resume Builder

Create a professional resume with templates.

Cover Letter Generator

Generate tailored cover letters.

Resume to PDF

Export your resume as PDF.

PDF Tools

Merge, split, protect and convert PDFs

Merge PDF

Combine multiple PDFs into one.

Split PDF

Split PDF by pages or ranges.

Compress PDF

Reduce PDF file size.

JPG to PDF

Convert images to PDF.

Protect PDF

Add password to PDF.

PDF to JPG

Convert PDF pages to JPG images.

Unlock PDF

Remove password from PDF.

SEO Tools

Meta tags, keyword density, robots.txt and sitemap

Meta Tag Generator

Generate SEO meta tags for your page.

Keyword Density Checker

Analyze word frequency and density.

Robots.txt Generator

Generate robots.txt for crawlers.

XML Sitemap Generator

Create sitemap.xml for your site.

Website SEO Analyzer

Analyze HTML for title, meta, H1.

Developer Tools

JSON, HTML, CSS, JS formatter and minifier

JSON Formatter

Beautify and minify JSON.

JSON Validator

Validate JSON syntax.

HTML Beautifier

Format HTML with indentation.

CSS Minifier

Minify or beautify CSS.

JS Minifier

Minify or beautify JavaScript.

Base64 Encode/Decode

Encode or decode Base64.

Generator Tools

QR code, password, UUID, Lorem Ipsum, random color

QR Code Generator

Generate QR code from URL or text.

Password Generator

Generate secure random password.

UUID Generator

Generate UUID v4.

Lorem Ipsum Generator

Generate placeholder text.

Random Color Generator

Generate random hex colors.

Calculators

Age, BMI, EMI, percentage and GST

Age Calculator

Calculate age from date of birth.

BMI Calculator

Body Mass Index from weight & height.

EMI Calculator

Monthly EMI for loan.

Percentage Calculator

X% of Y, or % change.

GST Calculator

Add or remove GST (India).

Format Change Tools

Encode, decode and convert between formats

Base64 Encode/Decode

Encode or decode Base64 strings.

JSON Beautify

Format and beautify JSON.

JSON to XML

Convert JSON to XML and vice versa.

MD5 / SHA Hash

Generate MD5, SHA1, SHA256 hashes.

URL Encode/Decode

Encode or decode URL parameters.

Trusted by Users

"allonlinetools.org has become essential. Image conversion and compression are incredibly fast. No install needed."

— Sarah M., Designer

"I use it for PDF merging, image resizing and resume building. Saved me time and money. Everything free."

— James K., Marketing

"Grid slicer and Instagram tools are my go-to. Works right in the browser. No sign-up. Love it."

— Priya R., Content Creator

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