Every dev tool you need,
right in your browser.
A fast, open-source directory of 43 focused utilities for data, documents, APIs, and DevOps. No installs, no accounts, no tracking — most run entirely on your device.
- 43
- tools
- 8
- categories
- 100%
- open source
- $0
- forever
Data & Query
08CSV & JSONL Processor
Stream-process CSV, TSV, NDJSON, and JSONL with Miller-style verb chains.
CSV JSON Data Transformer
Filter, sort, pivot, and reshape CSV, JSON, TSV, and NDJSON data.
CSV SQL Query Editor
Run SQL SELECT queries on CSV and TSV files instantly in your browser.
Dataset Profiler
Profile CSV, Parquet, JSONL, Avro, and SQLite datasets and infer schema.
DuckDB File SQL
Run DuckDB SQL on CSV, JSON, Parquet, and SQLite files in the browser.
Nested Archive Inspector
Open and safely extract ZIP, 7z, RAR, TAR, ISO, DMG, and nested archives.
Postgres Migration Safety Checker
Preflight unsafe PostgreSQL migrations for locks and blocking DDL.
SQL Formatter & Linter
Lint, format, and rewrite SQL across Postgres, MySQL, Snowflake, and BigQuery.
Documents & PDF
13AsciiDoc Online Converter
Compile AsciiDoc to HTML, PDF, and EPUB with diagrams and themes.
DOCX Redline & Compare
Compare DOCX versions, accept or reject tracked changes, extract comments.
EPUB Validator & Repair
Validate, repair, and convert EPUB, MOBI, and AZW3 ebooks.
Excel Workbook Diff
Compare Excel workbooks at cell, formula, style, and structure level.
JSON to Excel Generator
Generate styled Excel XLSX spreadsheets from declarative JSON.
LaTeX Math Renderer
Render LaTeX math to SVG, PNG, PDF, and accessible MathML.
Pandoc Document Converter
Convert Markdown, DOCX, HTML, LaTeX, EPUB, and PDF with Pandoc.
PDF Form Filler
Fill, flatten, and validate PDF AcroForms from JSON, FDF, or XFDF.
PDF to RAG Chunks
Parse PDFs into RAG-ready Markdown and JSONL chunks with reading order.
PDF Toolkit
Merge, split, compress, rotate, and watermark PDFs entirely in your browser.
PDF Visual Diff
Compare PDFs visually and structurally with per-page masks and summaries.
PPTX to PNG Converter
Render PowerPoint slides to PNG, JPEG, SVG, and PDF and extract notes.
Typst Online Compiler
Compile Typst documents to PDF, SVG, PNG, and HTML in a live editor.
APIs & Schemas
03GraphQL Schema Diff
Diff two GraphQL schemas to find breaking and dangerous changes.
OpenAPI & JSON Schema Diff
Compare OpenAPI and JSON Schema specs to find breaking changes per operation.
OpenAPI Breaking Change Checker
Detect breaking changes between OpenAPI 3.0 and 3.1 specs.
Config & Formats
04CLI Output to JSON
Paste raw CLI output and get clean, structured JSON for 100+ commands.
HTML CSS Selector Extractor
Query and scrape HTML with CSS selectors, extract text and attributes.
YAML & JSON Patcher
Query and patch YAML, JSON, TOML, and XML configs while preserving comments.
YAML & JSON Query Editor
Query and convert YAML, JSON, XML, TOML, and INI with jq-style expressions.
Media & Design
07Audio Loudness Normalizer
Run EBU R128 loudness normalization and generate waveforms.
Font Subsetter & Converter
Subset, convert, and QA TTF, OTF, WOFF, and WOFF2 fonts in the browser.
Image Metadata Stripper
Remove EXIF, GPS, XMP, and IPTC metadata from images and documents.
Open Graph Image Generator
Generate Open Graph social cards and syntax-highlighted code screenshots.
Subtitle Converter
Convert, normalize, mux, and burn SRT, VTT, ASS, and TTML subtitles.
SVG Optimizer & Sanitizer
Sanitize, optimize, rasterize, and diff SVGs and strip XSS risks.
Video Thumbnail & FFmpeg Tool
Trim, concat, and remux video and generate thumbnails with FFmpeg.
Logs & Text
03Grok Pattern Playground
Write, test, and benchmark grok and Logstash patterns with field inference.
Log File SQL Analyzer
Query any log file with SQL — nginx, Apache, syslog, and JSON logs.
Log Syntax Highlighter
Paste any log file and get instant syntax highlighting and structure.
DevOps & Infra
03GitHub Actions Security Linter
Lint and security-scan GitHub Actions YAML for unpinned actions and injection.
Kubernetes Manifest Analyzer
Get a production-readiness score for Kubernetes YAML manifests.
Terraform Plan Visualizer
Visualize terraform plan JSON with dependency graphs and blast-radius warnings.
Security & Files
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