Developer utilities,built like infrastructure.
Premium browser-first developer utilities. Fast, private, modular tools that run in your browser.
Featured tools
PDF Editor
Annotate, sign, reorder pages, and export PDFs in a fullscreen editor.
Image Studio
Browser-first creative editor for memes, social posts, thumbnails, and marketing graphics.
JSON Formatter
Free online JSON formatter and validator. Beautify, minify, and validate JSON instantly in your browser with line-level errors.
Lighthouse Audit
Run performance, SEO, accessibility, and best-practices audits.
Website Speed Test
Measure page load performance, TTFB, and resource waterfall.
JSON Validator
Validate JSON online with line-level syntax errors. Free, instant, and private — runs entirely in your browser.
QR Code Generator
Generate QR codes instantly in your browser.
Regex Tester
Test regular expressions online with live matches, flags, and capture groups. Free and private in your browser.
Notes
Markdown notes workspace with autosave, folders, and export.
To-Do
Task workspace with projects, kanban, filters, and autosave.
URL Shortener
Shorten URLs with custom aliases, QR codes, password protection, and click analytics.
Studio
Browser-first creative editor — memes, social graphics, and thumbnails.
Image Studio
Layer-based editor with templates, Konva canvas, and local export. No upload required.
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HMAC Generator
Compute HMAC-SHA256 signatures in your browser. Sign messages with a secret key — no server upload.
MD5 Generator
Compute MD5 checksums in your browser. Legacy file fingerprints — not for security.
Password Generator
Create strong random passwords in your browser. Adjustable length and character sets — fully private.
Random Token Generator
Generate cryptographically random hex tokens in your browser. API keys, secrets, and session IDs.
Regex Generator
Generate regular expressions from common patterns — email, URL, UUID, dates, and more. Copy-ready presets.
Regex Tester
Test regular expressions online with live matches, flags, and capture groups. Free and private in your browser.
Categories
Developer Tools
Utilities for developers — format, convert, encode, and debug.
28 tools
Text & Content
Slug, string, and content utilities.
6 tools
Studio
Browser-first creative editor — memes, posts, thumbnails, and banners.
1 tools
PDF Tools
Merge, split, compress, and convert PDFs in your browser.
13 tools
Image Tools
Compress, resize, crop, and convert images privately.
5 tools
SEO & Web Tools
QR codes, meta tags, sitemaps, and marketing utilities.
44 tools
Link Tools
URL shortener, branded links, QR, and click analytics.
1 tools
Productivity
Persistent notes and task workspaces with autosave.
2 tools
Media Tools
Audio, video, and subtitle utilities — processed locally in your browser.
16 tools
File Utilities
ZIP, hashes, CSV, metadata — fast local file tools.
11 tools
Built for developers
Modular tools with consistent UX, SEO, and analytics — scale without rewriting layouts.
Weblexia Tools runs utilities in your browser when possible. Every tool shares the same layout system, command palette, and dashboard — so new modules ship in minutes, not weeks.