Developer
Lottie Embed Generator
Generate copy-ready Lottie embed code.
Tools directory
Browse all online tools
Find browser-based utilities for developers, creators, SEO workflows, everyday calculations, image tasks, and productivity work.
Utiloom offers a growing library of 153+ free online tools organized into 10 categories. Every tool runs directly in your browser — your data stays on your device, and there is no account or installation required. Use the search bar or category filter above to find exactly what you need.
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Developer
Developer you can use right away
Format code, encode values, convert timestamps, and inspect text faster.
32 tools in this category
Developer
Lottie JSON Minifier
Minify Lottie JSON for smaller delivery payloads.
Developer
ASCII Table
Look up ASCII codes and characters quickly.
Developer
Text to ASCII Converter
Convert text to ASCII decimal or hex with a browser-based ASCII converter.
Developer
ASCII to Text Converter
Convert ASCII codes back to text.
Developer
What Is My IP
Find your public IP and basic network details.
Developer
JSON Diff
Compare JSON objects key by key.
Developer
Regex Tester
Test regex patterns and flags in the browser.
Developer
CSV to JSON Converter
Turn CSV data into JSON objects.
Developer
JSON to CSV Converter
Convert JSON objects to CSV.
Developer
YAML to JSON Converter
Switch between YAML and JSON formats quickly.
Developer
XML to JSON Converter
Convert XML data to JSON.
Developer
SQL Formatter
Beautify SQL queries instantly.
Developer
HTML Formatter
Beautify HTML markup online.
Developer
CSS Minifier
Minify CSS instantly online.
Developer
JS Minifier
Minify JavaScript online.
Developer
Hash Generator
Create MD5, SHA-1, SHA-256, and SHA-512 hashes.
Developer
Cron Builder
Create cron expressions with a visual builder.
Developer
Cron Parser
Explain cron expressions in plain language.
Developer
JWT Decoder
Inspect JWT header and payload safely in your browser.
Developer
JSON Formatter
Beautify and validate JSON instantly in your browser.
Developer
Markdown Preview
Preview Markdown as formatted HTML instantly.
Developer
Base64 Encoder
Convert plain text to Base64 safely.
Developer
Base64 Decoder
Decode Base64 strings into plain text.
Developer
UUID Generator
Create UUID v4, v7, and ULID values in the browser.
Developer
Timestamp Converter
Convert Unix time and readable dates both ways.
Developer
User-Agent Parser
Parse user-agent strings into browser, OS, and device details.
Developer
UUID Validator
Validate UUID strings and inspect versions.
Developer
HTML Entity Encoder Decoder
Encode or decode HTML entities instantly.
Developer
JSON to YAML Converter
Turn JSON into readable YAML.
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Full tool index
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This server-rendered directory keeps every tool detail page reachable even when you are filtering, searching, or paging through the interactive grid above.
Developer
Format code, encode values, convert timestamps, and inspect text faster.
- Lottie Embed Generator
- Lottie JSON Minifier
- ASCII Table
- Text to ASCII Converter
- ASCII to Text Converter
- What Is My IP
- JSON Diff
- Regex Tester
- CSV to JSON Converter
- JSON to CSV Converter
- YAML to JSON Converter
- XML to JSON Converter
- SQL Formatter
- HTML Formatter
- CSS Minifier
- JS Minifier
- Hash Generator
- Cron Builder
- Cron Parser
- JWT Decoder
- JSON Formatter
- Markdown Preview
- Base64 Encoder
- Base64 Decoder
- UUID Generator
- Timestamp Converter
- User-Agent Parser
- UUID Validator
- HTML Entity Encoder Decoder
- JSON to YAML Converter
- Regex Pattern Library
- Cron Next Run Calculator
Text
Work with copy, comparison, URL-safe strings, and text transformations.
Image
Generate QR codes and other visual outputs without uploading content.
- Favicon Generator
- Lottie Preview
- Lottie Color Editor
- Dummy Image Generator
- RGB to HEX Converter
- Color Picker
- HSL Picker
- Icon Explorer
- Image Format Converter
- Image Resizer
- App Icon Resizer
- Image to Base64 Converter
- QR Code Generator
- QR Code Reader
- Base64 Image Decoder
- SVG to PNG Converter
- Image Compressor
- Lottie Inspector
- Image Cropper
- Image Filter & Effects
- Image Color Palette Extractor
SEO
Build search-friendly assets like slugs, canonical/hreflang tags, robots rules, sitemap XML, keyword analysis, schema markup, metadata helpers, and social card tags.
- UTM Builder
- Breadcrumb Schema Generator
- Meta Tag Generator
- Meta Robots Generator
- Article Schema Generator
- Open Graph Preview
- FAQ Schema Generator
- Meta Title and Description Preview
- Slug Generator
- Robots.txt Generator
- XML Sitemap Generator
- Canonical Tag Generator
- Schema Markup Generator
- Hreflang Tag Generator
- Twitter Card Generator
- Organization Schema Generator
- Redirect Rule Generator
- OG Image Generator
- Keyword Density Checker
- Open Graph Tag Checker
- Canonical URL Checker
- Hreflang Checker
- Robots.txt Tester
- Schema Validator
- XML Sitemap Validator
- Redirect Checker
- Meta Refresh Redirect Checker
- Internal Link Checker
- Anchor Text Auditor
- Link Depth Checker
- Pagination Tag Checker
- Faceted Navigation Indexability Checker
- Orphan Page Checker
- Title Tag Checker
- Meta Description Checker
- Heading Structure Checker
- Image Alt Text Checker
- Image File Size SEO Checker
- Image Format SEO Checker
- Image Content-Type Consistency Checker
- Image Cache-Control Checker
- Image Crossorigin Attribute Checker
- Image Fetchpriority Attribute Checker
- Image URL Parameter Hygiene Checker
- Image CDN Host Consistency Checker
- Image Referrer-Policy Checker
- Responsive Image Srcset Checker
- Image Lazy Loading Checker
- Image Decoding Attribute Checker
- Image Dimension Attribute Checker
- Image Aspect Ratio Checker
- Critical Image Preload Checker
- Robots Meta Tag Checker
- X-Robots-Tag Checker
Productivity
Support daily planning, timing, and small workflow decisions for real work.
Calculator
Handle date, age, unit, body, and numeric calculations in a clean browser UI.
- Percentage Calculator
- Tip Calculator
- Tax Calculator
- Loan Calculator
- Mortgage Calculator
- Break-even Calculator
- D-Day Calculator
- Age Calculator
- BMI Calculator
- Date Difference Calculator
- Unit Converter
- Compound Interest Calculator
- Savings Goal Calculator
- Hours Calculator
- Time Zone Converter
- Overtime Calculator
- Salary to Hourly Calculator
File
Clean file names, find duplicates, normalize paths, rebuild folder trees, and preview safe bulk rename rules.